离心泵起动前检查准备工作不能()。
A.打开泵出口阀
B.盘车
C.检查润滑油(脂)是否变质,液面是否在规定范围
D.灌泵
参考答案:A
选择与画线部分意思相同或相近的选项。
1. I am glad to see you.
A. happy
B. sad
C. old
2. The girl can run very fast.
A. quickly
B. slowly
C. quietly
3. I bought an ice cream in the shop.
A. river
B. store
C. home
4. Mr. Wang will arrive in England in two days.
A. put on
B. turn off
C. get to
5. He did the work all by himself.
A. already
B. together
C. alone
培训之所以能够对员工产生激励作用,是因为它能够满足员工的( )。
A.自我发展需要
B.尊重需要
C.安全需要
D.归属需要