题目内容

位错是一种线缺陷。

A. 对
B. 错

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一般取晶胞来研究金属的晶体结构。

A. 对
B. 错

只有一个晶粒组成的晶体称为单晶体。

A. 对
B. 错

1 What’s Li’s book about?

A. It’s about her experiences in learning English.
B. It’s about how to get to America.
C. It’s about how to answer the questions in the textbook.
D. It’s about how to respect other people.

Why does she call her book Looking for Trouble?

A. Because she likes trouble.
Because she thinks that the trouble will come to you.
C. Because she thinks that the road to success in learning a second language can be difficult.
D. Because she feels uncomfortable when she makes mistakes.

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