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第一单元答案 Key:
I. 1. remote 2. alarm
3. portable
4. complained
5. urgent 6. peaceful II. 1. about / of 2. off
7. midnight 8. personal 3. back
4. on; over
III. 1. woke up; jumped out of 2. make money; a large part of 3. makes meals
IV. 1. The American football star enjoys watching talk shows. 2. He gets bored with his present job and wants to find a new one. 3. My brother is taking up medicine in college. 4. It took Tom a whole day to finish his homework. 5. Please tell me something about the supermarket. Key：
I. 1. pressure 2. expert 6. organising 7. social II. 1. expert in / at / on
3. diet 8. prefers
4. reduce
5. studio
2. prefers; to 3. hates to
4. caused 5. took place III.
1. On chemistry lesson, the teacher let the students take turns to make experiments. 2. John can’t stand doing so much housework. 3. I prefer going to bed to watching TV. 4. Sarah hates to get up early every day. 5. There are lots of shops in front of the building. Key：
I. 1. advertisements 2. volunteers 4. challenges
5. solve
7. prepared
3. support
6. presentations / performances 8. designed II. 1. about / at/ by
2. for
3. from 4. of
III. 1. （has） made a decision 2. had a long talk 3. To tell the truth
4. solve problems
5. were proud of
IV. 1. The new bridge was designed by him.
2. All our classmates cannot solve the difficult problem. 3. It is said that the plant can be used to treat lung disease. 4. Her plan won our support at last.
5. They are going to move to a new house next week. Key： I. 1. crowded
2. nearby
3. Otherwise 6. classical 9. formal
4. forecast 5. distant 7. sick
8. survey
10. cyclist II. 1. in 5. by
2. on
3. at
4. at 8. in
6. over 7. with
III. 1. Russia lies on the north of China.
2. Jane is at work at ten in the morning every day.
3. Because of the construction, the road is crowded with cars every day. 4. The house prices in big cities have risen fast over the years. 5. The situation of the world is safe at the moment.