题目内容

This book is good for adults () children.

A. as much
B. as well
C. as much as
D. as well as

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I go swimming in order to keep ().

A. relax
B. usual
C. fit
D. energy

当编码马达控制两个同步电机时,应在编码马达控制窗口中将动作选项选为( )。

使用编码马达时,即使不设定标志位编码电机也都能正常工作。

A. 对
B. 错

编码马达控制的两个同步电机的转速可以不同。

A. 对
B. 错