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1、Unit 3 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 t
2、his distance?5.Clare _（be）five years old next month.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. spends2.I hate people _ talk much but do little.A. who B. whos C. whose D. whom3.Which is more useful, math or Chinese?I think _ them are useful.A. eithe
3、r of B. each of C. both of D. all of4.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 not5. You have already tried your best, so you _ worry about the matter.A. cant B. neednt C. mustnt D. couldnt6.I want to teach in this are
4、a.Well, teachers _ very much here.A. need B. are needing C. are needed D. will need7. All my classmates want _ something for the 2008 Olympics.A. do B. doing C. to do D. done8. If you want to sell your old house, why not put an_ in the newspaper?A. e-mail B. advertisement C. article D. adviceII. 句型转
5、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
6、 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 g
7、row. 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 starts with the sun. For example,Animals need sunlight, too. Just like us, their food comes from a food chain which begins with the sun and th
8、e plants.sun leaf caterpillar(毛虫)birdsun 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.
9、 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 l
10、ight 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; star5.In what way do you think the sun cannot be harmful(有害的)？A. The sun c
11、an 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.Lesson 17 （课堂作业）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 pocketII. 1.stay 2.to do 3.came 4.read 5
12、.will beLesson 17 （课下作业）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
13、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 ofIII. 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
14、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。3