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Unit 1 The Changing World Section A 2a-2d 课时作业
一、根据汉语提示写出单词。（共10小题，每小题1分，计10分）
1. 沙尘暴 __________________
2. 田地；田野 __________________
3. 灌木 __________________
4. 根；根部 __________________
5. 土壤；泥土 __________________
6. 机器 __________________
7. 环境 __________________
8. 巨大的 __________________
9. 短缺；不足 __________________
10. 支持；援助 __________________
二、用括号内所给单词的适当形式填空。（共10小题，每小题1分，计10分）
1. I’m ______ (amaze) by how green your hometown has become.
2. The fields were getting ______ (small) and smaller.
3. There are ______ (few) sandstorms now than before.
4. The new roads have ______ (improve) our lives a lot.
5. Everyone has become ______ (rich) and happier.
6. The corn fields outside the town are really ______ (huge).
7. They began ______ (plant) the bush in sandy areas.
8. The bush had long roots that could ______ (hold) the soil together.
9. Wasn’t it difficult ______ (plant) so many bushes
10. The environment is getting ______ (good) and better.
三、单项选择。（共10小题，每小题2分，计20分）
1. I’m amazed ______ how green your hometown has become.
A. by　　B. with　　C. at　　D. of
2. There used to ______ sandstorms all the time.
A. be　　B. have　　C. has　　D. being
3. The fields were getting smaller and ______.
A. small　　B. smaller　　C. smallest　　D. smallish
4. The bush had long roots that could ______ the soil together.
A. hold　　B. put　　C. make　　D. take
5. They began planting it in sandy areas ______ the government’s support.
A. with　　B. in　　C. on　　D. for
6. ______ it difficult to plant so many bushes
A. Wasn’t　　B. Isn’t　　C. Doesn’t　　D. Won’t
7. In the beginning, we worked ______ hand.
A. by　　B. with　　C. on　　D. in
8. We have planted many bushes and trees ______.
A. since then　　B. for then　　C. before then　　D. by then
9. There are ______ sandstorms now, and the environment is getting better.
A. fewer　　B. less　　C. more　　D. many
10. The government ______ strong support to the farmers.
A. provided　　B. provides　　C. providing　　D. provide
四、根据对话内容，在空白处填入适当的单词，使对话完整通顺。（每空2分，计20分）
Li Rui: I’m (1)______ by how green your hometown has become.
George: Yeah! Have you seen the corn (2)______ outside the town They’re huge!
Li Rui: There used to be sandstorms all the time, and the fields were getting (3)______ and smaller.
George: What did you do
Li Rui: We found a small bush. It had long (4)______ that could hold the (5)______ together. We began planting it in sandy areas. The government provided (6)______ too.
George: Wasn’t it difficult to plant so many bushes
Li Rui: Yes, it was. In the beginning, we worked by (7)______. Later, we had (8)______ to help. We have planted many bushes and trees since then. There are fewer sandstorms now, and the (9)______ is getting better. Everyone has become (10)______ and happier.
五、用方框中所给单词的适当形式填空，使短文完整通顺。（每词限用一次，每空2分，计20分）
sandstorm　　field　　hand　　root　　hold　　area　　machine　　tree　　few　　improve
There used to be (1)______ all the time in the village, and the (2)______ were getting smaller and smaller. In the beginning, locals worked by (3)______. Later, they found a small bush with long (4)______ that could (5)______ the soil together. They began planting it in sandy (6)______ with the government’s support. After that, they had (7)______ to help. They have planted many bushes and (8)______ since then. Now there are (9)______ sandstorms, and the environment has (10)______ a lot.
六、根据汉语意思完成句子。（共5小题，每小题4分，计20分）
1. 我对你的家乡变得这么绿感到惊叹。
　I’m ______ ______ how green your hometown has become.
2. 这里过去一直有沙尘暴。
　There ______ ______ be sandstorms all the time.
3. 田地变得越来越小。
　The fields were getting ______ and ______.
4. 在政府的支持下，人们开始在沙地里种灌木。
　______ the government’s support, people began ______ it in sandy areas.
5. 从那以后，我们种植了很多灌木和树木。
　We have planted many bushes and trees ______ ______.
参考答案
一、根据汉语提示写出单词
1. sandstorm　2. field　3. bush　4. root　5. soil　6. machine　7. environment　8. huge　9. shortage　10. support
二、用括号内所给单词的适当形式填空
1. amazed　2. smaller　3. fewer　4. improved　5. richer　6. huge　7. planting　8. hold　9. to plant　10. better
三、单项选择
1. A　2. A　3. B　4. A　5. A　6. A　7. A　8. A　9. A　10. A
四、补全对话
1. amazed　2. fields　3. smaller　4. roots　5. soil　6. support　7. hand　8. machines　9. environment　10. richer
五、短文填空
1. sandstorms　2. fields　3. hand　4. roots　5. hold　6. areas　7. machines　8. trees　9. fewer　10. improved
六、根据汉语意思完成句子
1. amazed; by　2. used; to　3. smaller; smaller　4. With; planting　5. since; then

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