{"class": 4, "label": 1, "question type": "1", "question": "As shown is the planar net of a cube, the cube is most likely: A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_1.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=3"}
{"class": 4, "label": 2, "question type": "1", "question": "The left figure is the net of the outer surface of a cubical carton, which option can be folded from it: A．A, B．B, C．C, D．D", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_2.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=3"}
{"class": 4, "label": 3, "question type": "1", "question": "Among the following options, the one that fits the transformation pattern of the given figures is: A．A, B．B, C．C, D．D", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_3.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=3"}
{"class": 4, "label": 4, "question type": "1", "question": "Below is the outer surface of the given carton, which option can be folded from it: A．as shown above, B．as shown above, C．as shown above, D．as shown above", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_4.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=3"}
{"class": 4, "label": 5, "question type": "1", "question": "On the left is the outer surface of a polyhedron, which option on the right can be folded from it: A．as shown above, B．as shown above, C．as shown above, D．as shown above", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_5.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=4"}
{"class": 4, "label": 6, "question type": "1", "question": "On the left is the outer surface of a polyhedron, which option on the right can be folded from it: A．as shown above, B．as shown above, C．as shown above, D．as shown above", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_6.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=4"}
{"class": 4, "label": 7, "question type": "1", "question": "On the left is the outer surface of a polyhedron, which option on the right can be folded from it: A．as shown above, B．as shown above, C．as shown above, D．as shown above", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_7.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=4"}
{"class": 4, "label": 8, "question type": "1", "question": "On the left is the outer surface of a polyhedron, which option on the right can be folded from it: A．as shown above, B．as shown above, C．as shown above, D．as shown above", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_8.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=5"}
{"class": 4, "label": 9, "question type": "1", "question": "On the left is the outer surface of a polyhedron, which option on the right can be folded from it: A．as shown above, B．as shown above, C．as shown above, D．as shown above", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_9.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=5"}
{"class": 4, "label": 10, "question type": "1", "question": "The left figure is the outer surface of a carton, which option below can be folded from it: A．as shown above, B．as shown above, C．as shown above, D．as shown above", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_10.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=5"}
{"class": 4, "label": 11, "question type": "1", "question": "Among the following carton nets, which folded carton differs from the other three: A．as shown above, B．as shown above, C．as shown above, D．as shown above", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_11.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=5"}
{"class": 4, "label": 12, "question type": "1", "question": "Among the following options, the one that can be folded into the cube shown is: A．as shown above, B．as shown above, C．as shown above, D．as shown above", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_12.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=6"}
{"class": 4, "label": 13, "question type": "1", "question": "On the left is the outer surface of a polygonal solid, which option on the right can be folded from it: A．A, B．B, C．C, D．D", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_13.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=6"}
{"class": 4, "label": 14, "question type": "1", "question": "On the left is the net of the outer surface of a carton, which option below can be folded from it: A．as shown above, B．as shown above, C．as shown above, D．as shown above", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_14.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=6"}
{"class": 4, "label": 15, "question type": "1", "question": "Among the following options, the one that cannot be folded into the cube shown after cutting or covering is: A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_15.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=6"}
{"class": 4, "label": 16, "question type": "1", "question": "On the left is the outer surface of a carton, which of the following can be folded from it: A．A, B．B, C．C, D．D", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_16.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=7"}
{"class": 4, "label": 17, "question type": "1", "question": "On the left is the outer surface of a carton, which option below can be folded from it: A．A, B．B, C．C, D．D", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_17.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=7"}
{"class": 4, "label": 18, "question type": "1", "question": "The left figure is the planar net of the right figure; numbers and letters correspond one-to-one. Which correspondence to 123456 is correct: A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_18.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=7"}
{"class": 4, "label": 19, "question type": "1", "question": "Below is the net of the outer surface of a carton, which option on the right can be folded from it: A．A, B．B, C．C, D．D", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_19.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=7"}
{"class": 4, "label": 20, "question type": "1", "question": "Below is the net of the outer surface of a carton, which option on the right can be folded from it: A．A, B．B, C．C, D．D", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_20.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=8"}
{"class": 4, "label": 21, "question type": "1", "question": "Below is the given polyhedron and its net; the correspondence between edges denoted by letters A, B, C, D and numbers 1, 2, 3, 4 is: A．1-C 2-A 3-B 4-D, B．1-A 2-C 3-B 4-D, C．1-A 2-C 3-D 4-B, D．1-C 2-A 3-D 4-B", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_21.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=8"}
{"class": 4, "label": 22, "question type": "1", "question": "The following shows a solid; which option can be folded into this solid: A．A, B．B, C．C, D．D", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_22.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=8"}
{"class": 4, "label": 23, "question type": "1", "question": "On the left is the net of the outer surface of a carton, which option on the right can be folded from it: A．A, B．B, C．C, D．D", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_23.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=9"}
{"class": 4, "label": 24, "question type": "1", "question": "On the left is the net of the outer surface of a carton, which option on the right can be folded from it: A．A, B．B, C．C, D．D", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_24.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=9"}
{"class": 4, "label": 25, "question type": "1", "question": "On the left is the net of the outer surface of a carton, which option on the right can be folded from it: A．A, B．B, C．C, D．D", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_25.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=9"}
{"class": 4, "label": 26, "question type": "1", "question": "On the left is the net of the outer surface of a carton, which option on the right can be folded from it: A．A, B．B, C．C, D．D", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_26.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=9"}
{"class": 4, "label": 27, "question type": "1", "question": "Shown are two views of the same regular tetrahedron from different angles; when unfolded, the possible net is: A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_27.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=10"}
{"class": 4, "label": 28, "question type": "1", "question": "The following is the given solid; which option is the net of its outer surface: A．A, B．B, C．C, D．D", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_28.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=10"}
{"class": 4, "label": 29, "question type": "1", "question": "The given figure is the net of a carton; which of the four options is folded from it: A．A, B．B, C．C, D．D", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_29.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=10"}
{"class": 4, "label": 30, "question type": "1", "question": "Among the options below, which figure cannot be folded into a complete closed solid geometric structure: A．A, B．B, C．C, D．D", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_30.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=11"}
{"class": 4, "label": 31, "question type": "1", "question": "From the four options, choose the most appropriate one to fill in the question mark so that a certain pattern is presented: A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_31.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=13"}
{"class": 4, "label": 32, "question type": "1", "question": "The left figure is the given hollow solid; when cut by a section from any face, which of the following may be its cross-section: A．as shown above, B．as shown above, C．as shown above, D．as shown above", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_32.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=13"}
{"class": 4, "label": 33, "question type": "1", "question": "The left figure is the given solid; when cut by a section from any face, which of the following may be its cross-section: A．as shown above, B．as shown above, C．as shown above, D．as shown above", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_33.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=13"}
{"class": 4, "label": 34, "question type": "1", "question": "The left figure is the given solid; when cut by a section from any face, the solid cross-section is: A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_34.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=13"}
{"class": 4, "label": 35, "question type": "1", "question": "From the four options, choose the most appropriate one to fill in the question mark so that a certain pattern is presented: A．as shown above, B．as shown above, C．as shown above, D．as shown above", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_35.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=14"}
{"class": 4, "label": 36, "question type": "1", "question": "For the solid given below, when cut from any face, the number of edges of the section cannot be: A．10, B．5, C．4, D．3", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_36.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=14"}
{"class": 4, "label": 37, "question type": "1", "question": "Below is the given solid; when cut from any angle, which option on the right cannot be its cross-section view: A．A, B．B, C．C, D．D", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_37.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=14"}
{"class": 4, "label": 38, "question type": "1", "question": "The left figure is the given solid; when cut from any angle, which option on the right cannot be its cross-section view: A．A, B．B, C．C, D．D", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_38.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=15"}
{"class": 4, "label": 39, "question type": "1", "question": "The left figure is the given solid; when cut by a section from any face, which of the following cannot be its cross-section: A．A, B．B, C．C, D．D", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_39.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=15"}
{"class": 4, "label": 40, "question type": "1", "question": "The following solid is formed by removing a truncated-cone hole from a cube; if cut from any face, which of the following cannot be its cross-section: A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_40.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=15"}
{"class": 4, "label": 41, "question type": "1", "question": "Which of the following cannot be a section of the solid on the left: A．A, B．B, C．C, D．D", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_41.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=16"}
{"class": 4, "label": 42, "question type": "1", "question": "A cube has a cone removed from the center as shown; then cut from any face, which option below cannot be the cube's cross-section: A．A, B．B, C．C, D．D", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_42.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=16"}
{"class": 4, "label": 43, "question type": "1", "question": "A cube has the upper three quarters removed as shown. When cut from any face, which option below cannot be the cross-section of this polyhedron: A．A, B．B, C．C, D．D", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_43.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=16"}
{"class": 4, "label": 44, "question type": "1", "question": "The left figure is the given solid; when cut by a section from any face, which of the following may be its section: A．A, B．B, C．C, D．D", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_44.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=16"}
{"class": 4, "label": 45, "question type": "1", "question": "The cube below is obliquely cut along plane OMN; the section seen from the cutting plane may be: A．as shown above, B．as shown above, C．as shown above, D．as shown above", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_45.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=16"}
{"class": 4, "label": 46, "question type": "1", "question": "A cube has a cylindrical hole removed from the center as shown; when cut from any face, which option on the right cannot be the cube's cross-section: A．A, B．B, C．C, D．D", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_46.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=17"}
{"class": 4, "label": 47, "question type": "1", "question": "The left figure is the given solid; when cut by a section from any face, which of the following cannot be its cross-section: A．A, B．B, C．C, D．D", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_47.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=17"}
{"class": 4, "label": 48, "question type": "1", "question": "On the left is the given solid; when cut from any angle, which option on the right may be its cross-section view: A．A, B．B, C．C, D．D", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_48.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=17"}
{"class": 4, "label": 49, "question type": "1", "question": "The left figure is the given solid; when cut from any angle, which option on the right cannot be its cross-section view: A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_49.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=18"}
{"class": 4, "label": 50, "question type": "1", "question": "A truncated cone is shown; a small cone is removed from the exact center. When cut from any face, which of the following cannot be a cross-section of the truncated cone: A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_50.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=18"}
{"class": 4, "label": 51, "question type": "1", "question": "The left figure is the 3D view of a part; which option on the right does not belong to the cross-section views of this solid: A．A, B．B, C．C, D．D", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_51.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=18"}
{"class": 4, "label": 52, "question type": "1", "question": "Below is the given solid; when cut from any angle, which option on the right cannot be its cross-section view: A．A, B．B, C．C, D．D", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_52.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=18"}
{"class": 4, "label": 53, "question type": "1", "question": "The left figure is the given polyhedron; when cut by a section from any face, which of the following cannot be its cross-section: A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_53.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=19"}
{"class": 4, "label": 54, "question type": "1", "question": "On the left is the given solid formed by four identical cubes; when cut by a section from any face, which option below cannot be the cross-section of the solid: A．A, B．B, C．C, D．D", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_54.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=19"}
{"class": 4, "label": 55, "question type": "1", "question": "The left figure is the given solid; when cut from any angle, which option on the right cannot be its cross-section view: A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_55.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=19"}
{"class": 4, "label": 56, "question type": "1", "question": "The left figure is the given solid; when cut from any angle, which option on the right cannot be its cross-section view: A．A, B．B, C．C, D．D", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_56.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=19"}
{"class": 4, "label": 57, "question type": "1", "question": "An empty cylinder is cut obliquely to obtain the object shown below. The one that cannot be a cross-section of this object is: A．A, B．B, C．C, D．D", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_57.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=20"}
{"class": 4, "label": 58, "question type": "1", "question": "The left figure is a polyhedron composed of six identical small cubes; when cut by a section from any face, which of the following cannot be its cross-section: A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_58.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=20"}
{"class": 4, "label": 59, "question type": "1", "question": "The left figure shows a solid formed by excavating a rectangular prism with a square cross-section from a truncated cone; if cut from any face, which of the following cannot be its cross-section: A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_59.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=20"}
{"class": 4, "label": 60, "question type": "1", "question": "As shown, a cylinder is superimposed on a cube and a cylindrical hole is bored through. When cut from any face, which option below cannot be this solid's cross-section: A．A, B．B, C．C, D．D", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_60.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=20"}
{"class": 4, "label": 61, "question type": "1", "question": "Among the options below, cube (1) can certainly be transformed into cube (2): A．as shown above, B．as shown above, C．as shown above, D．as shown above", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_61.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=23"}
{"class": 4, "label": 62, "question type": "1", "question": "The left figure is a polyhedron stacked from identical cubes, decomposable into three parts (1), (2), and (3). Which option fills the question mark: A．as shown above, B．as shown above, C．as shown above, D．as shown above", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_62.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=23"}
{"class": 4, "label": 63, "question type": "1", "question": "From the four given options, choose the most appropriate one to assemble the figure in the stem: A．as shown above, B．as shown above, C．as shown above, D．as shown above", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_63.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=23"}
{"class": 4, "label": 64, "question type": "1", "question": "From the four options, choose the one that, together with parts (1)(2)(3)(4), forms the 9×2 block shown: A．as shown above, B．as shown above, C．as shown above, D．as shown above", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_64.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=24"}
{"class": 4, "label": 65, "question type": "1", "question": "The left solid has only the single face shown painted black. Which of the following cannot be composed of three such solids: A．as shown above, B．as shown above, C．as shown above, D．as shown above", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_65.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=24"}
{"class": 4, "label": 66, "question type": "1", "question": "Figures (1) and (2) are the front and rear views of a solid made of three identical pieces. The solid is: A．as shown above, B．as shown above, C．as shown above, D．as shown above", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_66.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=24"}
{"class": 4, "label": 67, "question type": "1", "question": "Among the following options, which can be combined with the given piece to form a cube: A．A, B．B, C．C, D．D", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_67.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=25"}
{"class": 4, "label": 68, "question type": "1", "question": "As shown, the object consists of at least how many small cubes: A．14, B．15, C．16, D．17", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_68.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=25"}
{"class": 4, "label": 69, "question type": "1", "question": "Front and rear views of a stacked-cube solid are given. The solid is a combination of (1)(2)(3); which option fills the question mark: A．A, B．B, C．C, D．D", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_69.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=26"}
{"class": 4, "label": 70, "question type": "1", "question": "Front and rear views of a stacked-cube solid are given. The solid is a combination of (1)(2)(3); which option fills the question mark: A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_70.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=26"}
{"class": 4, "label": 71, "question type": "1", "question": "Which of the following combinations can form a 3×3×3 cube block: A．1、2、3, B．2、3、4, C．1、3、4, D．2、3、5", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_71.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=27"}
{"class": 4, "label": 72, "question type": "1", "question": "Given the polyhedron, which option can join with it to form a solid rectangular prism: A．A, B．B, C．C, D．D", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_72.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=27"}
{"class": 4, "label": 73, "question type": "1", "question": "Among the four solids below, which one is different from the other three: A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_73.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=27"}
{"class": 4, "label": 74, "question type": "1", "question": "Solid (1) is composed of solids (2)(3)(4). Which option fills the question mark: A．A, B．B, C．C, D．D", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_74.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=28"}
{"class": 4, "label": 75, "question type": "1", "question": "From the four given options, choose the most appropriate one to fill in the question mark so that a pattern is presented: A．A, B．B, C．C, D．D", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_75.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=28"}
{"class": 4, "label": 76, "question type": "1", "question": "Solid (1) is composed of solids (2)(3)(4). Which option fills the question mark: A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_76.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=28"}
{"class": 4, "label": 77, "question type": "1", "question": "Without rotation, which option must be added at the question mark so the right figure assembles into the left cube: A．as shown above, B．as shown above, C．as shown above, D．as shown above", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_77.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=29"}
{"class": 4, "label": 78, "question type": "1", "question": "Which option can combine with (1) and (2) to form a rectangular prism: A．as shown above, B．as shown above, C．as shown above, D．as shown above", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_78.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=29"}
{"class": 4, "label": 79, "question type": "1", "question": "The left solid consists of 18 equal cubes. It can be cut into three identical pieces. Which option shows the piece: A．A, B．B, C．C, D．D", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_79.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=30"}
{"class": 4, "label": 80, "question type": "1", "question": "The left solid is composed of (1)(2)(3). Which option cannot fill the question mark: A．A, B．B, C．C, D．D", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_80.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=30"}
{"class": 4, "label": 81, "question type": "1", "question": "As shown, each object is made of pure black and pure white unit cubes. Among objects (1) and (2), the one formed by stacking five copies of object (3) is: A. Only object ① is possible; B. Only object ② is possible; C. Both objects ① and ② are possible; D. Neither object ① nor ② is possible.", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_81.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=31"}
{"class": 4, "label": 82, "question type": "1", "question": "The polyhedron of 20 unit cubes can be formed by joining (1)(2) with which option below: A．A, B．B, C．C, D．D", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_82.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=31"}
{"class": 4, "label": 83, "question type": "1", "question": "Front and rear views of a cube-stacked solid are given. The solid can be split into four parts (1)(2)(3)(4); which option fills the question mark: A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_83.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=32"}
{"class": 4, "label": 84, "question type": "1", "question": "From the four options, choose the one that makes solids (1)(2)(3)(4) compose a complete rectangular prism: A．A, B．B, C．C, D．D", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_84.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=32"}
{"class": 4, "label": 85, "question type": "1", "question": "Which of the following solids cannot be divided by a single plane into two congruent or mirror-symmetric parts: A．A, B．B, C．C, D．D", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_85.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=32"}
{"class": 4, "label": 86, "question type": "1", "question": "Among polyhedral parts (1)(2)(3)(4), which of A/B/C/D cannot combine with any of them to form a rectangular prism: A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_86.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=33"}
{"class": 4, "label": 87, "question type": "1", "question": "Solid (1) is composed of (2)(3)(4). Which option cannot fill the question mark: A．A, B．B, C．C, D．D", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_87.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=33"}
{"class": 4, "label": 88, "question type": "1", "question": "After cutting away a block from a cube (left), which option on the right gives the shape of the removed part: A．A, B．B, C．C, D．D", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_88.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=33"}
{"class": 4, "label": 89, "question type": "1", "question": "After removing a portion from a cube, the remaining shape is shown; which option is the removed shape: A．A, B．B, C．C, D．D", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_89.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=34"}
{"class": 4, "label": 90, "question type": "1", "question": "Front and rear views of a stacked-cube solid are given. The solid is a combination of (1)(2)(3); which option fills the question mark: A．A, B．B, C．C, D．D", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_90.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=34"}
{"class": 4, "label": 91, "question type": "1", "question": "As shown are two views of an object; the object is most likely: A．A, B．B, C．C, D．D", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_91.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=37"}
{"class": 4, "label": 92, "question type": "1", "question": "As shown are two views of an object; the figure is most likely: A．A, B．B, C．C, D．D", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_92.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=37"}
{"class": 4, "label": 93, "question type": "1", "question": "Among the four options on the right, which is not an elevation of the part on the left: A．A, B．B, C．C, D．D", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_93.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=37"}
{"class": 4, "label": 94, "question type": "1", "question": "As shown is a truncated cone; which of the following cannot be one of its views: A．as shown above, B．as shown above, C．as shown above, D．as shown above", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_94.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=38"}
{"class": 4, "label": 95, "question type": "1", "question": "Below are a solid built from rectangular prisms and its left and rear views. What is its top view: A．as shown above, B．as shown above, C．as shown above, D．as shown above", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_95.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=38"}
{"class": 4, "label": 96, "question type": "1", "question": "From the four options, choose the most appropriate one to fill in the question mark so that a pattern is presented: A．A, B．B, C．C, D．D", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_96.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=38"}
{"class": 4, "label": 97, "question type": "1", "question": "The left figure is the given polyhedron; viewed from any angle, which option below may be its view: A．A, B．B, C．C, D．D", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_97.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=39"}
{"class": 4, "label": 98, "question type": "1", "question": "For the solids below, which option among the four cannot be their views (front, top, side): A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_98.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=39"}
{"class": 4, "label": 99, "question type": "1", "question": "As shown, which option cannot be the top view of the given object: A．A, B．B, C．C, D．D", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_99.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=40"}
{"class": 4, "label": 100, "question type": "1", "question": "From the four options, choose the most appropriate one to fill in the question mark so that a pattern is presented: A．A, B．B, C．C, D．D", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_100.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=40"}
{"class": 4, "label": 101, "question type": "1", "question": "From the four options, choose the most appropriate one to fill the question mark so that a pattern is presented: A．A, B．B, C．C, D．D", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_101.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=41"}
{"class": 4, "label": 102, "question type": "1", "question": "From the four options, choose the most appropriate one to fill the question mark so that a pattern is presented: A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_102.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=41"}
{"class": 4, "label": 103, "question type": "1", "question": "Among the following, which pair of left view and front view is correct: A．A, B．B, C．C, D．D", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_103.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=41"}
{"class": 4, "label": 104, "question type": "1", "question": "Which option matches the top view: A．A, B．B, C．C, D．D", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_104.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=42"}
{"class": 4, "label": 105, "question type": "1", "question": "The three sets of orthographic views correspond to three solids. What is the correct order of solids: A．②①③, B．②③①, C．①③②, D．③①②", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_105.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=42"}
{"class": 4, "label": 106, "question type": "1", "question": "Given the solid below, which are its front view and left view: A．A, B．B, C．C, D．D", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_106.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=42"}
{"class": 4, "label": 107, "question type": "1", "question": "Among the four options, which pair of top and left views are both correct: A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_107.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=43"}
{"class": 4, "label": 108, "question type": "1", "question": "Among the four options, which is the front eye-level view of the stem figure: A．A, B．B, C．C, D．D", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_108.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=43"}
{"class": 4, "label": 109, "question type": "1", "question": "From the four options, choose the most appropriate one to fill in the question mark so that a pattern is presented: A．A, B．B, C．C, D．D", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_109.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=44"}
{"class": 4, "label": 110, "question type": "1", "question": "Among the four options, which matches the top view and left view of the left solid: A．A, B．B, C．C, D．D", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_110.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=44"}
{"class": 4, "label": 111, "question type": "1", "question": "From the four figures, choose the only one to fill in the question mark so that a pattern is presented: A．A, B．B, C．C, D．D", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_111.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=45"}
{"class": 4, "label": 112, "question type": "1", "question": "Of the four figures on the right, all except which are projections of the solid on the left: A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_112.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=45"}
{"class": 4, "label": 113, "question type": "1", "question": "From the four options, choose the most appropriate one to fill in the question mark so that a pattern is presented: A．A, B．B, C．C, D．D", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_113.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=45"}
{"class": 4, "label": 114, "question type": "1", "question": "Two equal cylinders intersect perpendicularly; along the arrow direction, what is the view: A．A, B．B, C．C, D．D", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_114.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=45"}
{"class": 4, "label": 115, "question type": "1", "question": "Among the options in the right figure, which is not a projection of the solid on the left: A．A, B．B, C．C, D．D", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_115.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=46"}
{"class": 4, "label": 116, "question type": "1", "question": "The left figure is the given polyhedron; viewed from any angle, which option below cannot be its view: A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_116.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=46"}
{"class": 4, "label": 117, "question type": "1", "question": "Divide the six figures below into two categories so that each category has its own common feature or rule. Which classification is correct: A．①②③，④⑤⑥, B．①④⑤，②③⑥, C．①⑤⑥，②③④, D．①④⑥，②③⑤", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_117.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=46"}
{"class": 4, "label": 118, "question type": "1", "question": "From the four options, choose the most appropriate one to fill in the question mark so that a pattern is presented: A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_118.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=46"}
{"class": 4, "label": 119, "question type": "1", "question": "From the four options, choose the most appropriate one to fill in the question mark so that a pattern is presented: A．A, B．B, C．C, D．D", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_119.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=47"}
{"class": 4, "label": 120, "question type": "1", "question": "From the four options, choose the most appropriate one to fill in the question mark so that a pattern is presented: A．as shown above, B．as shown above, C．as shown above, D．as shown above", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_120.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=47"}
{"class": 4, "label": 361, "question type": "1", "question": "Choose the most appropriate option: A．A, B．B, C．C, D．D", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_361.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=154"}
{"class": 4, "label": 362, "question type": "1", "question": "Choose the most appropriate option: A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_362.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=154"}
{"class": 4, "label": 363, "question type": "1", "question": "Choose the most appropriate option: A．A, B．B, C．C, D．D", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_363.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=154"}
{"class": 4, "label": 364, "question type": "1", "question": "Choose the most appropriate option: A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_364.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=154"}
{"class": 4, "label": 365, "question type": "1", "question": "When cut from any face, which option cannot be a cross-section: A．A, B．B, C．C, D．D", "answer": {"text": "D"}, "images": ["./data/img_4/chinaexam_365.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=155"}
{"class": 4, "label": 401, "question type": "1", "question": "Choose the most appropriate option: A．A, B．B, C．C, D．D", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_401.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=175"}
{"class": 4, "label": 402, "question type": "1", "question": "Choose the most appropriate option: A．A, B．B, C．C, D．D", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_402.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=175"}
{"class": 4, "label": 403, "question type": "1", "question": "Choose the most appropriate option: A．A, B．B, C．C, D．D", "answer": {"text": "A"}, "images": ["./data/img_4/chinaexam_403.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=175"}
{"class": 4, "label": 404, "question type": "1", "question": "Choose the most appropriate option: A．as shown above, B．as shown above, C．as shown above, D．as shown above", "answer": {"text": "C"}, "images": ["./data/img_4/chinaexam_404.jpeg"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=175"}
{"class": 4, "label": 422, "question type": "1", "question": "Divide the six figures into two categories; which classification is correct: A．①②④，③⑤⑥, B．①③④，②⑤⑥, C．①④⑥，②③⑤, D．①⑤⑥，②③④", "answer": {"text": "B"}, "images": ["./data/img_4/chinaexam_422.png"], "datajson": "chinaexam", "url": "chinaexam.pdf#page=184"}