操作凿岩台车时泵站停止工作，应检查哪些方面？

怎样进行往复式切割器护刃器检查调整？

以下文化知识说法正确的是（）。

A.存在主义是19世纪流行于西方的哲学思潮

B.玛雅文化以南美洲的秘鲁为中心

C.世界第二次工业革命的主要标志是蒸汽机的广泛使用

D.18世纪欧洲启蒙运动的中心在法国

振奋心阳，化气行水适用于下列哪个证型之心悸（）

A.水饮凌心

B.心阳不振

C.心血瘀阻

D.心血不足

E.痰火扰心

请认真阅读下面短文，并根据各题所给首字母的提示，写出一个合适的英语单词完整、正确的形式，使短文通顺。

Kitty was a student in a small town. It was going to be her mother’s birthday. She wanted to buy her a present that would be nice and useful but not e  小题1:  .

She went s  小题2:  after a quick and simple lunch. After she looked for about forty minutes, she found a shop that was selling cheap umbrellas, and she d  小题3:  to take a black one. She thought, “Mom can carry it when she is wearing clothes of any c  小题4:  .” So she bought a lovely black umbrella and took it to school with her until her classes finished.

On her way home on the train she felt h  小题5:  , so she went to the buffet car (餐车). She left the umbrella on her seat and left. But when she remembered it and r 小题6:  for it, it was gone. Kitty began to cry. The other passengers felt very sorry for her and asked what was the matter. She told them the black umbrella she bought for her mother was gone, and she had to get off at the next station. After the three passengers h  小题7:  this, they asked her for her mother’s a   小题8:  so that they could send the umbrella to her if someone took it by mistake (弄错) and brought it b  小题9:   .

And now a week passed. Kitty got a letter from her mother. It said, “Thank you very much for your lovely g  小题10:  , but why do you send me three black umbrellas?”

在确保安全的前提下，可以在高速公路匝道上超车。