题目内容

In future American English will continue to exert its influence onver other languages.

A. 对
B. 错

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The way children acquire a language provide a basic cause for language change.

A. 对
B. 错

"Silly" meant "happy" in the past and now it refers to being naive or foolish. This phenomenon is called semantic broadening.

A. 对
B. 错

电气绝缘一般都采用（）绝缘。

A. 气体
B. 液体
C. 固体
D. 都可

各接地设备的接地线与接地干线相连时，应采用（）方式。

A. 串联
B. 并联
C. 混联
D. 对联