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单选题 Hou was elected ____________________ of the Chinese Academy of Sciences in 1955
学科：化工英语(新时代职业英语)
时间：2025-11-11 09:32:34
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题目1单选题
Process in 1933, in which he summarized his experience in successfully _________________A. solvay processB. manufacturing sodaC. soda-manufacturing processD. a member
题目2单选题
Hou was elected ____________________ of the Chinese Academy of Sciences in 1955A. solvay processB. manufacturing sodaC. soda-manufacturing processD. a member
题目3单选题
Hou was appointed ____________________ of the Ministry of Chemical Industry in 1958A. manufacturing sodaB. soda-manufacturing processC. Vice MinisterD. a member
题目4单选题
Graphene (石墨烯) is a single layer of ( ) atomsA. oxygenB. carbonC. nitrogenD. sulfur
题目5单选题
Graphene (石墨烯) is a single layer of atoms, tightly bound in a ( ) honeycomb latticeA. hexagonalB. pentagonC. quadrangleD. triangle
题目6单选题
It is an allotrope of carbon in the form of a plane of ( )-bonded atomsA. dspB. spC. sp2D. sp3
题目7单选题
It is an allotrope of carbon in the form of a plane of sp2-bonded atoms with a molecular bond length of about ( ) nanometersA. 0.0335B. 0.0142C. 0.335D. 0.142
题目8单选题
Layers of graphene stacked on ( ) of each other form graphite, with an interplanar spacing of about 0.335 nanometersA. topB. bottomC. middleD. side
题目9单选题
The separate layers of graphene in graphite are held together by ( ) forces, which can be overcome during the exfoliation of graphene from graphiteA. ionic bondB. van der WaalsC. hydrogen bondD. covalent bond
题目10单选题
Graphene is the ( ) compound known to man at one atom thickA. thinnestB. thinC. thickestD. thick
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