一个盛水的圆柱形容器，底面半径是5厘米，高20厘米，水深15厘米．现将一个底面半

考考你的记忆力, 根据句意及首字母补全在本课中出现的单词.  

1. Does the family come from G_____?  

2. France is a country in E_____.  

3. When and where were you b_____?  

4. You should r_____ the library books on time.  

5. She studies in a j_____ high school.  

6. What's the s_____ of the basketball match?  

7. I went to go to u_____ when I'm older.  

8. His ambition is to play football in the O_____.  

9. That makes me d_____ from other people.  

10. When the meeting is a_____ over, that man comes in.

影响心肌收缩性的主要超微结构是()

A．横桥

B．细胞膜

C．细胞核

D．闰盘

E．线粒体

磁性调和漆涂料一般用于（）施涂

A.室外

B.室内

C.室内外

D.室外金属

Talks between the two sides ______ because neither of them agreed to give in.   [ ]

A. broke away  

B. broke in  

C. broke out    

D. broke down

对于指针、标度尺读数装置的误差，根据（）可分为视差和结构误差。

A、差值大小

B、产生的部件

C、产生的原因

D、产生的时间