带负荷合刀闸时，发现合错，应（）A、不准直接将刀闸再拉开 B、在刀片刚接近固定触头，

— Where is the zoo?

— It's south _____________ the hospital.[ ]

A. of

B. off

C. at

I've tried very hard to improve my English. But by no means  _____ with my progress. 　　[ ]

A. the teacher is not satisfied

B. is the teacher not satisfied　　

C. the teacher is satisfied

D. is the teacher satisfied

讲解员在讲解过程中运用态势语言时要注意哪些问题？

( )是人际关系特别是良好人际关系建立的前提。

A．平等原则

B．宽容原则

C．诚信原则

D．互惠互利原则

在拧紧圆形或成组布置的螺栓螺母时，必须（）进行。

A.按顺序逐一地

B.每隔一个地

C.对称地