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英语：Unit 3 Buying and Selling Lesson 17课时训练

Lesson 17 （课堂作业）

I. 英汉互译

1.赚钱___________________

2.付款_________________

3.想出一个办法_____________

4.好吃的东西______________

5.一美元四个_______________

6.在口袋里__________________

II. 用所给词的正确形式填空

1.Her family invited me to ________（stay）with them for a few weeks.

2.I need ________（do）some shopping on my way home from work.

3.Ive been very busy since I ________（come）back from holiday.

4.Can you ________（read）that sing from this distance?

5.Clare ________（be）five years old next month.

参考答案

I. 1.make money 2.pay for 3.have an idea 4.something nice to eat 5.four for a dollar 6.in a pocket

II. 1.stay 2.to do 3.came 4.read 5.will be

Lesson 17 （课下作业）

I. 单项选择

1.This shirt is so nice, but it ____ too much.

A. pays B. costs C. takes D. spends

2.I hate people ____ talk much but do little.

A. who B. whos C. whose D. whom

3.Which is more useful, math or Chinese?

I think ____ them are useful.

A. either of B. each of C. both of D. all of

4.Must I hand in my exercise book now, Miss Zhao?

No, you____ .You may give it to me tomorrow.

A. neednt B. mustnt C. cant D. may not

5. You have already tried your best, so you_____ worry about the matter.

A. cant B. neednt C. mustnt D. couldnt

6.I want to teach in this area.

Well, teachers ____ very much here.

A. need B. are needing C. are needed D. will need

7. All my classmates want ____ something for the 2008 Olympics.

do B. doing C. to do D. done

8. If you want to sell your old house, why not put an_____ in the newspaper?

A. e-mail B. advertisement

C. article D. advice

II. 句型转换

1.Someone is following us.（变反意疑问句）

Someone is following us, ________ ________?

2.Maybe he knows the way to the station.（改为同义句）

He ________ ________ the way to the station.

3.We need to make some money for the team.（变否定句）

We ________ ________ to make ________ money for the team.

4.It took me a dollar to buy the bag.（改为同义句）

________ ________ ________ me a dollar.

5.How much is your skirt?（改为同义句）

________ ________ ________ ________ your skirt?

III. 阅读理解

WHY IS THE SUN IMPORTANT？

The sun is a huge, hot, bright star. It is important because without it there would be no life on Earth. The sun gives us light and heat.

All living things need light and heat from the sun to live. Plants need light and heat to grow. They use the light from the sun to make food. We cannot make our own food, but plants can. All the food we eat comes from plants in a food chain(链)which start swith the sun. For example,

英语：Unit 3 Buying and Selling Lesson 17课时训练1

Animals need sunlight, too. Just like us, their food comes from a food chain which begins with the sun and the plants.

sun leaf caterpillar(毛虫)bird

sun seaweed(海藻)small fish whale(鲸)

Sunlight means we can see during the day. If there was no sun, it would be dark all the time. Even when the sky is cloudy, the sunlight is very strong and it shines through the clouds.

1.Which words tell us what the sun is like？

A. Huge. B. Hot. C. Bright. D. All above.

2.What are the two main things the sun gives us？

A. Light and heat. B. Heat and eggs.

C. Corn and light. D. Wheat and bread.

3.Why can we still see during the day when the sky is cloudy？

A. Because we can see all day and all night.

B. Because the sun cant give us light all day long.

C. Because the sunlight can shine through the clouds.

D. Because we cant see at night.

4.All the food we eat comes from ______. And it starts with the _____.

A. plants; earth B. a food chain; sun

C. food; sun D. plants; star

5.In what way do you think the sun cannot be harmful(有害的)？

A. The sun can do harm to your eyes and skin.

B. It can make rivers too dry.

C. Without it there would be no life on Earth.

D. Hot sun on dry land can cause fires.

参考答案

I. 1.B 主语是物，因此要用cost。

2.A 本题考查定语从句。先行词是表示人的词，且连接词在从句中作主语，故用who。

3.C either和both可以用于表示两者，由谓语动词are可知，主语为复数，either of作主语表示单数，both of作主语相当于复数，故选C。

4.A 情态动词must 的否定回答常有neednt,又根据答语中的后一句，可知选A。

5.B 由上半句可以推出下半句是劝不必担心。cant不能；neednt不必；mustnt禁止；couldnt不能，故选B。

6.C teachers是谓语动词的承受者，因此本句用被动语态，故选C。

7.C 动词want 后面必须加动词不定式做宾语，故选C。

8.B 根据题意是为什么不在报纸上做广告，故选B。

II. 1.isnt he 2.may know 3.dont need any 4.The bag cost 5.Whats the price of

III. 1.D。答案就在短文首句的 The sun is a huge, hot, bright star.之中，其中包含的三个形容词正是本题的答案。

2.A.短文首段末句和第二段的首句The sun gives us light and heat. All living things need light and heat from the sun to live.是解答该题目的重要依据。

3.C.本小题属于表层理解题。答案显然在If there was no sun，it would be dark all the time. Even when the sky is cloudy, the sunlight is very strong and it shines through the clouds.一句中。

4.B.本小题同样属于表层理解题。All the food we eat comes from plants in a food chain(链)which starts with the sun.这句话是问题的出处。此句是定语从句，要仔细阅读才能正确理解。

5.C.根据It is important because without it there would be no life on Earth.和If there was no sun, it would be dark all the time.这两句话，可很容易将其余三个选项排除。

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