AFQ—20A型矿用粉尘采样器主要有()等部件组成。
A.主机
B.系列粉尘预搜捕集器
C.抽气泵
D.充电器
E.三角架
参考答案:A, B, D, E
下列官员不具有监察职能的是 [ ]
A.秦朝的御史大夫
B.汉朝的刺史
C.宋朝的通判
D.宋朝的转运使
用括号内所给动词的适当形式填空。
1. She ________ (write) twenty pop songs which are liked by fans by the end of last year.
2. ________ (quarrel) with others isn't good manners for everyone.
3. —_______ the price ________ (include) coffee and hamburgers? -I'm afraid not.
4. The teacher told us that three quarters of our earth ________(cover) by water.
5. Everyone knows that the disabled mustn't ________ (laugh) at.
6. We should try our best to prevent the air pollution ________ (live) a happy life.
7. With all lights on, the hall ________ (become) as bright as day when we arrived.
8. How soon do you think we ________ (get) to the hotel?
9. Mr. Green told me that his family ________ (go) for a holiday the next week.
10. —Did you see him come in just now? —No, I ________(type) a letter all the time.