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【判断题】
金属理想晶体的强度比实际晶体的强度高得多。A.
正确
B.
错误
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】听力原文：If one of the food links is not kept, what will happen to the food chains? (12)
A.
Breaking up.
B.
Dying out.
C.
Stopping.
D.
Disappearing.
【单选题】What do sales figures reflect in free market terms?
A.
They reflect the manufacturers' decision of production cut-backs.
B.
They reflect the state of local market forces at any one place and at any one time.
C.
They reflect the demands and supplies of a corporation.
【单选题】What links cognitive development to the needs of society?
A.
Practical purpose.
B.
Natural human cognitive development.
C.
Language.
D.
Warning of danger.
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