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1、Unit 13单词 （音标）litter lt v. 乱扔 n. 垃圾；废弃物bottom btm n. 底部；最下部fisherman fmn n. 渔民；钓鱼的人coal kl n. 煤；煤块ugly li adj. 丑陋的；难看的advantage dvntd n.优点；有利条件cost kst v. 花费n. 花费；价钱wooden wd()n adj. 木制的；木头的plastic plstk adj. 塑料的n. 塑料；塑胶shark kn.鲨鱼fin fnn.（鱼）鳍cruel krul adj. 残酷的；残忍的harmful hmfladj.有害的chain ten n. 链子
2、；链条ecosystem iksstmn.生态系统industry ndstri n. 工业；行业law l n. 法律；法规scientific santfk adj. 科学上的；科学的afford fd v. 承担得起（后果）；买得起reusable ri:ju:zbl adj. 可重复使用的；可再次使用的transportation trnspten n. 运输业；交通运输recycle risakl v. 回收利用；再利用napkin npkn n. 餐巾；餐巾纸gate getn.大门bottle btl n. 瓶；瓶子president prezdnt n. 负责人；主席；总统in
3、spiration nspren n. 灵感；鼓舞人心的人（或事物）iron an n.铁work wk n. (音乐、艺术)作品metal metln.金属creativity krietvt n. 创造力；独创性知识点汇总第十三单元知识点汇总（供课前预习课后复习）【重点短语】1. at the bottom of the river 在河底2. be full of rubbish 充满垃圾3. throw litter into the river 把垃圾扔入河中4. play a part in cleaning it up 尽一份力把它清理干净5. land pollution 土地
4、污染6. fill the air with black smoke 使空气中充满了黑烟7. cut down air pollution 减少空气污染8. make a difference 产生影响9. take action 采取行动10. turn off 关掉11. pay for 付费12. add up 累加13. use public transportation 使用公共交通14. recycle books and paper 回收书和纸15. use paper napkins 使用纸巾16. turn off the shower 关掉淋浴器17. ride in ca
5、rs 开车出行18. cut off 割掉；砍掉19. upside down 颠倒；倒转【重点句子】1.Even the bottom of the river was full of rubbish.甚至河底都充满了垃圾。2.Everyone in town should play a part in cleaning it up.城里的每个人都应当尽一份力把它清理干净。3.The air is badly polluted because there are too many cars on the road these days.空气被严重污染因为如今路上的汽车太多了。4.To cut
6、 down air pollution, we should take the bus or subway instead of driving.为了减少空气污染，我们应当乘坐公共汽车或地铁而不是开车。5. I used to be able to see stars in the sky.我过去能在天空中看到星星。6. The air has become really polluted around here. Im getting very worried.这儿的空气真的已经被污染了，我非常担心。7. No scientific studies have shown that shark
7、 fins are good for health.没有科学研究表明鲨鱼鳍对人们的健康有好处。巩固练习一、根据句意、首字母或汉语提示填写单词1. However, its no fun if you have a large _(双肩背包) full of books to carry.2. Luckily, they escaped from the _ (着火的)building with the help of the firemen.3. There are a lot of _(奶油)on the biscuits.4.A school o_ said they needed at
8、least one million yuan to run the school.5.The thief stole food from a m_ and was caught by the policemen.二、用方框内所给词或短语的适当形式填空luck, office, keep walking, say goodbye to, feed1. _until you get to the end of the street.2. The monkeys are full, because we have _ them.3. We were late for the film Roman H
9、oliday，but _ we didn t miss much.4.He _ us at the end of the trip.5.It is said that he is a government_.三、单项选择1. We plantedtrees last year.A. hundreds of B. hundred of C. five hundreds D. five hundred of2. Whats wrong with you, Eric? You look tired.Ito prepare for the final exam last night.A. picked
10、 upB. woke upC. stayed upD. put up3. Is Richard still living here?No，he_ to Paris already.A. had moved B. movedC. will move D. has moved4. Do you know where John is? He was going to meet me earlier but he didnt _.A. stay up B. go upC. give up D. show up5. Im sorry，I dont know the way.Please ask _.A.
11、 anyone elseB. someone else C. else anyone D. else someone6. Youd better hurry. Well be late for the plane.Dont worry. The plane will _ in two hours.A. take out B. take away C. take off7. In that fantasy world, dead people can be_ again and broken legs can grow once more.A. live B. alive C. living D
12、. lively8. The teacher asked each of us to plant _six trees.A. at last B.at least C.at once D. at all9. My cousin didnt get the _ to work abroad and he had to return to his hometown.A. chance B. challenge C. experience D. success10. Helen doesnt talk to others. She always like thinking to _.A. her B
13、. herself C. hers D. she11. Do you have Jay s CDs?Sorry, they are _. But we ll get some more next week because they _.A. sold well；are on sale B. sold out；sell well C. selling well; sell well D. for sale; sell well12. Tom, Ive just heard that scientists have sent a spacecraft to Mars.Really? I haven
14、t _this yet.A. stood for B. belonged toC. heard about D. kept to13. Can you tell me how to use the digital camera?_ .Let me have a look.A. No way B. No problemC. Forget it 四、用方框所给词的适当形式填空discover, work, oversleep, disappear, miss1. Tom didnt go to school on time this morning because he _.2. The _ worked all day and they felt very tired.3. I _ the fi
