4 . 一些学生认为锻炼是浪费时间，它使他们感到太累或太兴奋。
_________________________________________________________________

5 . Communication becomes more convenient nowadays . Cellphones _________(使得 这成为可能)for us to talk to anyone from anywhere. (make)

6 . 到底是什么促使你放弃了这么稳定的工作，来到这个偏远地区保护野生动物？(it)

7 . 从所给短语中（一个多余）选择并用其正确形式完成句子

on one's back about...; through thick and thin; in full measure; eat away (at ); make a difference; take advantage of, get into shape; at a loss; back down; come between...and ...; contribute to; take on; or rather

1. Living well is the safest and most effective way__________.
2. There are so many possibilities that I have enough confidence in my ability__________to my future.
3. Noise pollution and light pollution may__________sleep problems for some people.
4. If we__________on this issue now, they will assume we are weak.
5. Whatever happens, we will work together and rise to challenges__________
6. Faced with the unexpected problem, we were all looking at each other, __________for words.
7. I would let nothing__________me___________the subject in hand.
8. He got home late last night, __________early this morning.
9. The coastline is__________by all kinds of pollutants year by year.
10. In the past ten years, great changes have taken place in my lovely hometown, making it__________a new look.
11. The headmaster advised that we__________what our school provides for us to study better.
12. His parents are always__________his performance at school.

8 . 根据句中的中文提示和句后所给出的英语单词完成句子。
1. Only in this way _______________ (他才会对现在的情况 满意) present condition. (satisfy)
2. Communication becomes more convenient nowadays . Cellphones _________(使得 这成为可能)for us to talk to anyone from anywhere. (make)
3. Our factory produced ____________(生成的电脑是去年的三 倍) as it did last year. (time)
4. Do you mind _____________? (我打开窗户) (open)
5. It is not the student himself but his parents that ___________(将要来学校)   (be)
6. I regret ___________(没有看) that good film. (see)
7. __________ (正在修建的那座桥)across the Changjiang River will be   the first one for four trains to pass at the same time. (build)
8. You are late again. I would rather __________ (你来)before 7 O'clock.   (come)
9. _________ (总统出席会议) the meeting himself gave them a great deal of   encouragement. (attend)
10. The dark clouds gather together __________. (似乎快下雨了) (if)

9 . 单句改错
1. As the forest park is far away, a lot of tourists visit it every year.
2. It’s not good manners to play a trick in your friend even you are close.
3. The woman sat there, dressed in a blue shirt, is Lily’s teacher.
4. The rainstorm and the traffic trouble made me tiring and upset.
5. A tall man entered the house, and he was made give a speech.
6. His report about the disaster was not believable. He didn’t really go to the spot; instead, he made out the whole story.
7. In the concert the audience was impressed by Samuel’s surprised performance.
8. Aron couldn’t speak Polish, but I made myself understand with difficulty.
9. The plan to be carried out next month needs discuss among the members of the labor union.
10. The ability of space flight has connection to the power of a country.