She had clearly no（）of doing any work, alt

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问题单项选择题

She had clearly no（）of doing any work, although she was very well paid.

A.tendency

B.foundation

C.intention

D.belonging

答案

参考答案：C

选择题

Computers are very useful in our lives, but they must properly.

A. use B. be using C. be used

综合

读“地球内部圈层示意图”，回答下列问题。

（1）图中①、②是地球内部的两个不连续面，其名称分别是：①________，②________。

（2）③表示________波，传播速度________，④表示________波，传播速度________。

（3）请在图中用斜线画出接收不到横波的区域。