题目内容

It is strongly recommended that teachers______ computers in their teaching.

A. will use
B. shall use
C. use
D. used

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Those who want to attend the meeting should ______ the form.

A. fill in
B. fill up
C. fill with
D. fill of

用于传递空间互相垂直而不相交的两轴间的运动和动力的传动系统是()。

A. 蜗轮传动
B. 蜗杆传动
C. 蜗轮蜗杆传动
D. 圆柱齿轮传动

A．consistedB．consistingC．involvedD．involving

A. consisted
B. consisting
C. involved
D. involving

目前，我国的影子汇率换算系数取值为()。

A. 1.8
B. 1.08
C. 1.06
D. 1.6