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问题 多项选择题

铁路预应力混凝土，预应力管道成孔施工中应（）。

A、密封良好

B、接头严密

C、线性平顺

D、安装牢固

E、刷油润滑

答案

参考答案：A, B, C, D

解析：见《铁路混凝土工程施工质量验收标准TB10424-2010》P56，7.3.3铁路预应力混凝土，预应力管道成孔施工中应密封良好、接头严密、线性平顺、安装牢固。

填空题

根据句意及母提示填入适当的单词。

1. The foreign athlete's p_____ is so good that I can't believe he is from South Korea.

2. Sorry, I can't follow you. Can you speak more s_____?

3. Please be more careful, or you'll make more m_____.

4. Though Jet left his friends two years ago, he couldn't forget the f_____ between them.

5. As a s_____, Xu Sanduo knows he must try his best to do everything well. So he succeeded at last.

6. I r_____ I had to work harder to get good results.

7. Don't be a_____ of making mistakes, because everyone makes mistakes.

8. How will you d_____ with these old clothes?

9. It's not easy to s_____ such a difficult problem.

10. We should try our b_____ to learn English well.

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单项选择题 A1/A2型题

颅内压增高患者腰穿的主要危险是（）。

A.促使肿瘤扩散

B.引起脑内出血

C.诱发脑疝

D.诱发癫痫发作

E.导致脑血管痉挛
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