（）时，不可露天进行焊接或切割工作。如必须进行焊接时，应采取

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问题填空题

（）时，不可露天进行焊接或切割工作。如必须进行焊接时，应采取（）的措施。

答案

参考答案：下雨雪；防雨雪

单项选择题

在护理粒细胞缺乏症病人时，最重要的护理目的是防止病人

A．跌倒

B．出血

C．脱水

D．营养不良

E．感染

填空题

用括号内所给词的正确形式填空。

1. Most _________ (busy) letters are written in English.

2. Project hope is an _________ (organize) that helps children go to school.

3. He is not a teacher any _________ (many).

4. I _________ (try) to help you organize your show if I have time.

5. I don't know what made him laugh so _________(excite)?

6. At the end of the show, we clapped and shouted with _________ (excite).

7. English is _________ (wide) used in many kinds of fields .