When ( ) Why they're looking for jobs at new companies, Some of them say they want more challenges.
Asked
B. Ask
C. Asking
D. To ask
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Online retailers Could trike not only What customers bought, ( ) What else they looked at.
A. So that
B. And thus
C. Rather than
D. But also
If people don't like ( ) By titles, You can ask them how they prefer to be addressed.
A. are called
B. being called
C. be called
D. called
蜗杆传动在单位时间内的发热量,是通过( )来进行计算的。
A. 传递的功率P1与传动效率
B. 蜗杆的转速n1与传动效率
C. 传动比i和传动效率
D. 润滑油的黏度和滑动速度vs
在蜗杆传动设计中,必须进行蜗杆轮齿的强度计算。 A. √B. ×
A. 对
B. 错