5. -It is very hot today. Would you mind if I 　　　the electric fan?

-Of course not.

A. open

B. opened

C. will open

D. to open

4. Seeing the 　　　that the students were busy preparing their lessons, I couldn’t help expecting all of them to be admitted by colleges.

A. scenery

B. sight

C. scene

D. view

3. As an English teacher, I often train my students 　　　fluently and clearly.

A. of reading

B. to read

C. into reading

D. from reading

2. The chemical weapons 　　　by the Japanese troops are the chief cause of the frequently happened poisoning accidents.

A. were abandoned

B. abandoned

C. had abandoned

D. abandoning

从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。

1. Jack 　　　the bus as soon as it stopped, then to his joy he met his best friend at the station.

A. got off

B. took off

C. got on

D. took on

5. 随着科技的发展，农民们不再使用牲畜做农活了。(not ...any more)

4. --在咱们排队等候时，你介意我借你的报纸看看吗？

--不介意，一点也不。(would you mind ...)

3. 火车以每小时200多公里的速度行驶。(at a speed of)

2. 在会议上提到的那位教授下周将给我们作报告。(refer to)

1. 他是个训练有素的乒乓球运动员，经常参加各类比赛。(well?trained)