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问题 多项选择题

塔式起重机的工作参数有（）。

A.回转半径

B.起重半径

C.起升高度

D.起重力矩

E.起重量

答案

参考答案：A, C, D, E

解析：塔式起重机的工作参数：回转半径、起重量、起重力矩和起升高度。见教材第七章第二节P137。

填空题

单词拼写。

1. Anything not made of natural materials is a______.

2. English and Maori are the two o____ languages in New Zealand.

3. On the way to Guilin, we stopped again and again to enjoy the beautiful s_____.

4. The water in the river is s_____. You can walk across it.

5. It was e_____ cold yesterday. I nearly couldn't stand it.

6. Who is the a_____ that designs this skyscraper?

7. She ran away and soon ____(消失) in the rain.

8. Without _____(许可), you can not enter the laboratory.

9. Every child is _____(独特的,唯一的) to their parents.

10. We have made all the ____(安排) for the meeting.

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单项选择题 A1/A2型题

营养不良的病人容易发生水肿，其原因是（）

A.毛细血管动脉端血压增高

B.细胞间液蛋白质含量降低

C.细胞间液蛋白质含量增加

D.血浆胶体渗透压降低

E.血浆晶体渗透压降低
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