Based on compostion, materials are classified into _____.
A. Metals.
B. Non-metals.
C. Polymers.
D. Com0posites.
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How are materials classified?
A. Classification based on composition.
B. Classification base on structure.
C. Functional classification of materials.
D. A, B and C.
Based on structure, materials are classified into ___.
A. Crystalline materials.
B. Non-crystalline materials.
C. A and B.
What determines the properties of materials?
A. Compostion.
B. Structure.
Composition and structure.
你认为材料的结构指的是_______?
A. 电子构型
B. 晶体结构
C. 显微结构
D. A，B and C.
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