1 .

1. The drug has a ________ (有益的）effect on the immune system.
2. The city ___________(occupy) by the Japanese army during World War II.
3. ---Where did you meet your friends yesterday?
----At the hotel______ they stayed.
4. ____(下定决心的）to overcome all the difficulties on his own , Tom didn’t turn to anyone for help.
5. How do you think you can keep yourself ________(motivate) when learning English?
6. As a teacher, she never loses her ________(热情）for teaching.
7. If you want to keep healthy and energetic, you should keep a _______(均衡的）diet.
8. On Sunday, a backpack _________(contain) several bombs were found at a train station in the American State of New Jersey.
9. I had great difficulty ________(achieve) the project.
10. The electric doors opened ______(自动地）as we approached.
11. We rushed to the station, only______(tell)the train had already left.
12. I feel it an   honor _______(ask) to speak here.
13. After school we went to the reading-room ,only to be told that it_______(decorate).
14. The three of us ______(travel) around Europe for about a month last summer.
15. ---Look! Someone ______(break) the window!
---Well, it wasn’t my fault. I didn’t do it.
16. We _______(work) on this project for four hours. Let’s have a rest.
17. ---Hi, Tracy, you look tired.
---- I am tired. I_____(paint) the living room all day.
18. ---Can we meet at 5 o'clock?
----It’s a bit______(convenience) for me. Let’s make it 6 o'clock,OK?
19. He is said ________(study) English Literature before.
20. It’s not what you say but what you do_______ matters.

2 . Rachel Carson’s popular book Silent Spring raised ________ (aware) of the dangers of pollution and the harmful effects of chemicals on humans. （所给词的适当形式填空）

3 . Two ________ (half) make a whole. (所给词的适当形式填空)

4 . They help us grasp the _________(diverse) of life on the planet. (所给词的适当形式填空)

5 . He differs from his brother and never lives up to his parents’ ________ (expect). （所给词的适当形式填空）

6 . Please fill out the________ (apply) form when you are applying for the job.（所给词的适当形式填空）

7 . __________(injure) to the back are common among these workers.

8 . Hearing the delightful news, they burst into________ (laugh). （所给词的适当形式填空）

9 . For her travel was an escape from the _______ (bore) of her everyday life.

10 . A graduate with sound ______(judge) is more competitive in the future job market. (所给词的适当形式填空)