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1、Unit 13 Were trying to save the earth.【学习内容】Were trying to save the earth. Section A 1a-2d 【学习目标】1.掌握litter,ugly,advantage, cost,wooden,bottom,fisherman, coal, plastic , Takeaway,bin,the bottom of, make a difference等单词和短语。 2.掌握Even the bottom of the river was full of rubbish. Everyone in town should
2、 play a part in cleaning it up.等句型。 【自学检测】 翻译句子。拯救地球_ 大量的黑烟 _ 大声的音乐_ 太多的垃圾和废物_噪音污染_ 在公众场合_河流底部_ 变成丑陋的地方_ 参与_ 减弱空气污染_废物污染_ 木头筷子_被严重污染_ 塑料叉子_燃烧煤块_ 创造一个更好的未来_【合作探究展示】 Step 1 情景导入 Teacher: What kinds of pollution do you know？ What do you feel about the pollution? Students: I think there are_. noise poll
3、ution air pollution water pollution【当堂检测反应】 根据汉语提示填空完成句子,每空一词 1. 你能帮我扶住梯子的下面吗? Can you hold the ladder for me？2.这张票花了我10 美元。 The ticket ten dollars.3.我想在家休息而不是出去踢球。 Id like to have a rest at home playing soccer outside.4. 这个老人习惯于住在农村了。 The old man in the countryside.5.你过去常常留长发吗? you have long hair?【
4、拓展提升】一.用所给词的适当形式填空。1. There are many kinds of (pollute)in our daily life.2. All of the students should take part in (keep) our school clean and tidy.3. Can you tell us your ideas for (improve) your spoken English.4. We should stop using the (wood) chopsticks to protect the forest.5. Their grandparen
5、ts were (fisherman) near the sea before they moved to the town. 6. Were trying_ (save) the earth.二.单项选择。 ( )1. How much is the ticket to Central Park?A one-way ticket _ $40, and you can _ another $20 for a round-trip. A. costs, pay B. cost, spend C. pay, spend D. spends, pay ( )2. Why is Lingling pr
6、acticing speaking English? _ abroad for further study. A. Go B. Gone C. To go D. Goes ( )3. Im new here. Dont worry. Ill do what I can _ you. A. help B. to help C. invite D. to invite三.根据汉语提示完成单词。1. We should put up notice to stop from (乱扔)2. The teacher asked us to find a way to pick up the coins a
7、t the (底部)of the bottle.3. There are no more fish for (渔夫)to catch in the river.4. We should take the paper bags to go shopping instead of the (塑料)ones.5. Could you please tell us another (优点)of riding bike to work?【学习内容】Were trying to save the earth . Section A 3a-3b【学习目标】1.掌握method, cruel, harmful
8、, low, industry, law, cut off 2.了解明白以下词汇及短语：shark, fin, chain, ecosystem【自学检测】单词、短语翻译1.鱼鳍买卖 2.鱼鳍汤 3.处于食物链的顶端 4.在最近的20到30年间 5.全球环境保护组织 6.建全法律 【合作探究展示】Step 1 情景导入Para1 Bad things happen when people cut off sharks fins.Para2 Environmental protection groups have done things to protect sharks.Para3 Youre
9、 killing a whole shark when you enjoy a bowl of shark fin soup. 【知识生成】1) not onlybut also用于连接两个表示并列关系的成分,着重强调后者,意为_;可与both . and替换.假设连接两个成分作主语,谓语动词用_。 Not only does he speak fluent English, but he can also speak Chinese and French well. Exercise is not only good for health, but also fun.2) a number
10、of 与the number of的用法：the number of意为“ 的数量,跟复数名词连用作主语时,中心词是number,谓语动词用单数。a number of意为“许多,相当于 many,修饰可数名词复数。作主语时,谓语动词用复数。number前可用large，small等修饰,以表示程度。 练习：选词填空：the number of, a number of 1. _teachers in our school is 350. 2. _teachers like to read books.【当堂检测反应】 根据汉语提示填空完成句子，每空一词。 ( )1.Not only but
11、repair it. A. can he; he can B. he can; can he C. can he ; can he D. he can; he can ( )2. Not only Li Ming but I students. A. is B. are C. am D. be ( )3. The famous writer one new book in the past two year. A. iswriting B. waswritingC. wrote D. has written ( )4.Our country_a lot so far.Yes. I hope i
12、t will be even_. A. haschanged;well B.changed;good C. haschanged;better D.changed;better ( )5.TheSmiths_inChinafor8years. A.haslived B.lived C.havebeen D.live ( )6.My friend was good me when I was ill. She told me that eating more vegetables is good my health. A. with; for B. to; for C. with; to D.
13、for; with ( )7.Li Mei is interested in drawing. Also, she is good it. A. with B. to C. at D. for【拓展提升】用所给词的适当形式填空。 1.Ill give the book to him as soon as he_back(come). 2._the baby_crying yet? (stop) 3.I dont know whether mother_ me to Beijing next month.(take) 4.She_on her coat and went out. (put) 5
14、.“What are they doing? “They_ready for the sports meeting. (get) 6.The boy asked his mother_ him go and play basketball.(let) 7.Im sorry to keep you _for a long time. (wait) 8.It _(take) him half an hour_ (finish) his homework yesterday. 9.If it _an interesting film, well see it tomorrow. (be) 10.Th
15、ey usually_(do) their homework after supper. 11.Listen! who_ (sing) in the next room now? 12._(be) your parents in shanghai last year? 13.Mr. Yu_(teach) us math since 1982.14.They will have a trip (旅行) to the Great Wall if it_ (not rain) tomorrow. 15.Li Ming often_(listen) to the radio in the mornin
16、g.二.单项选择。 ( )1.May I stop my car here? No, you. A. cant B. mustnt C. neednt D. dont have to ( )2.Must we clean the house now? No, you _. A. neednt B. may not C. mustnt D. cant ( )3. Man_die without water. A. will B. can C. need D. shall ( )4. You_return the book now. You can keep it next week if you
17、 like. A. cant B. mustnt C. neednt D. may not ( )5. Johnny, you_ play with the knife, you_hurt yourself. A. wont.cant B. mustnt.may C. shouldnt, must D. cant.shouldnt【学习内容】Were trying to save the earth . Section A Grammar-4c 【学习目标】1.掌握 afford ;recycle; reusable; transportation; take part in; cant af
18、ford to do sth take action; turn off ;pay for;add up;use public transportation 等单词短语 。 2.理解并掌握现在进行时态, used to,被动语态, 现在完成时态, 情态动词等语法。【自学检测】根据汉语提示完成短语。 不同种类的污染 河底 把垃圾扔到河里 在中起作用 在中国南部 对有害 在顶部 海洋生态系统 【合作探究展示】Step 1情景导入Teacher: Have you ever take part in an environment project?How should you do to save t
19、he environment?Students: We can_. turn off the lights when use the paper bags. walk to school.【知识生成】1.现在进行时: Present Progressive 定义：表示说话时瞬间正在进行的动作,也表示目前或现阶段一直进行的动作。 结构: be (am/is/ are) + v.-ing 标志词：Look, Listen, now, right now e.g. Look! The boy is crying.2. used to do与be used to doingused to do sth
20、.表示过去常常做某事,现在不做了,后接动词原形。be used to doing sth.习惯于做某事。e.g. I used to get up at six oclock. Joe is used to drinking a cup of coffee every morning.3.被动语态：Passive voice定义：表示主语是动作的承受者,即行为动作的对象的一种语态。结构:be +过去分词e.g. A new school was built last year. Our classroom is cleaned every day.4.现在完成时: Present Perfec
21、t定义：表示动作已经完成,但对现在造成影响; 或者表示从过去某一时间开始一直延续到现在并还可能持续下去的动作。 结构: has/have + 过去分词 标志词：already, yet, ever, never, since, fore.g. I havent finished my homework yet.5. 情态动词1) 情态动词本身有一定的词义,表示说话人的情绪,态度或语气,但不能单独作谓语,只能与其他动词构成谓语。常见的有：can (could), may (might), must, need, shall (should), will (would)等。2) 情态动词无人称和数
22、的变化,后接动词原形。否认式是在情态动词后面加not。个别情态动词有过去式形式,可用来表达更加客气,委婉的语气。 e.g. Ken can climb up the tress like a koala.Tracy could ride a bicycle when she was five years old. You mustnt play with fire. It is dangerous.【当堂检测反应】翻译以下句子。1.我们正在竭力拯救地球。 2.这条河流过去是那么干净。 3.空气被严重污染。 4.没有研究说明鲨鱼鳍对健康有好处。 5.我们应该帮助拯救鲨鱼。 【拓展提升】一.根据汉
23、语提示完成单词。1. The shoes are so expensive that I cant (买得起)them.2. We should use (可重复使用的)chopsticks when we eat outside.3. What do you think of the (交通)in China?4. The Spring Festival is (认为是)the most important festival in China.5. We can save (电)by turning off the lights when we leave a room.二.英译汉。1. s
24、ave the earth 2. loud music 3. noise pollution 4. the bottom of the river 5. play a part in 6. waste pollution 7. be badly polluted 8. burn coal 9. a lot of black smoke 10. too much rubbish and waste 11. in public places 12. turn into ugly places 13. cut down air pollution 14. wooden chopsticks 15.
25、plastic forks 16. lead to a better future 三.用动词的适当形式填空。1.Were trying_ (save) the earth.2.There used to_(be) clean and beautiful.3.There are too many_for_to catch (fish).4. Its bad for environment to use_(wood) chopsticks.【学习内容】Were trying to save the earth . Section B 1a-1e 【学习目标】1.掌握 recycle,napkin
26、,stop doing sth, hard to do sth, recycling paper, turn off the lights等单词和短语。 2.掌握以下句型：Recycling paper is really easy. Its hard to stop riding in cars. We really shouldnt use paper napkins, you know .【自学检测】翻译以下短语。1.停止开车_ 2.使用纸巾_3.再利用书本和纸张_ 4.做.很难_5.关掉灯_ 6.带上你自己的袋子_7.洗头_ 8.停止做._【知识生成】1. I stopped usin
27、g them last year. 去年我就停止使用他们了。【解读1】此句子的时态为一般过去时态，常与其连用的时间状语有：yesterday/ last week/ last month/ last year/ ago【举例】He waited for you here three hours ago.三个小时以前他在这里等你。【解读2】stopped为stop的过去式。在英语当中动词的过去式分为规那么变化和不规那么的变化,不规那么动词总数大概不过200多个,但是使用频率很高。主要分成三类：1.第一类不规那么动词的三种形式同形, 如：cost cost cost/ cut cut cut/ h
28、urt hurt hurt2.第二类不规那么动词的过去式和过去分词同形,如：bring brought brought/ catch caught caught/ lead led led3.第三类不规那么动词的原形、过去式和过去分词都不相同，如：begin began begun/ break broke broken/ grow grew grown/ ring rang rung/ wake woke / waked woken此外还有少数不规那么动词的过去分词与原形相同，如：come came come/ become became become/ run ran run【当堂检测反应
29、】翻译1.stop riding in cars_ 2.recycle books and paper .3.当你离开房间时关灯_4.不要用餐巾纸_5.当你洗头发时关闭淋浴器_【拓展提升】用所给动词的适当形式填空。1.Tom and Mary_ (come) to China last month.2.Mike (not go) to bed until 12 oclock last night.3.Mary_(read) English yesterday morning.4.There_(be) no one here a moment ago.5. _(recycle)paper is
30、really easy.6.Its hard to stop_(ride)in cars.7.Dont_(use) paper napkins.8.You can take your own bags when_(shop).二.根据首字母提示完成单词。1.We can help to save the environment by r the books and paper.2.Jacks parent are so poor that they cant a his education.3.Eating too much junk food is h to your health.4.Ki
31、lling a whole shark only for a bowl of shark fin soup is too c for sharks.5.We should do something to stop people from l rubbish.6.We must r iron and steel.7.We really shouldnt use paper n .8.Turn off the nights when you l a room.9.Turn off the s while you are washing your hair.【学习内容】Were trying to
32、save the earth . Section B 2a-2e 【学习目标】掌握gate; bottle; president; inspiration; iron; work; metal; creativity; throw away; put sth to good use; pulldown; an old boat turned upside down; be an inspiration to sb; set up a website; a “metal art theme park; be known for等单词短语。【自学检测】 单词、短语翻译。1.扔掉_ 10.擅长回收_
33、2.不再需要_ 11.开一家小店_3.投入更好的使用_ 12.建立一个网站_4.有一个有创造力的头脑_13.在网上出售_5.推倒_ 14.使用旧物的新方法_6.倒转,颠倒_ 15.因为而知名_7.由制作而成_ 16.的重要性_8.旧的玻璃瓶_ 17.带来快乐_9.获奖_ 18.一点创造力_【合作探究】Step 1 2a 情景导入Which rubbish can be recycled?_What have you deal with your rubbish in everyday life?_Step 2 Para.1 Wang Tao uses materials from old ca
34、rs to make beautiful art pieces. Para.2 Many old things can be put to good use.Para.3 Jessica Wong uses old clothes to make bags.Para.4 Amy Hayes built a house out of rubbish.【当堂检测反应】 翻译以下句子 1. 许多古老的建筑物已经被撤除了。pull down2. 那辆新车将于下个月开始投入使用。3. 鲁迅作为一个伟大的作家而知名。4. 不仅学生们,老师也被邀请参加聚会。5. 这个组织设立于1998年。 【拓展提升】根据汉语提示完成单词。1. The man was stopped by the guard at the (大门)of the school.2. The (主席),Xi Jinpin was found having breakfast at QinFeng br