人教版九年级英语第13单元.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit13 Were trying to save,the earth!,Section A 1a-2d,（第,1,课时）,1,1.We should put up notice to stop from _,（乱扔）,.,2.The teacher asked us to find a way to pick up the coins at 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?,【,检查预习,】,litter,bottom,fisherman,plastic,advantage,2,noise pollution,air pollution,water pollution,1a,.Write the words related to different kinds of pollution in the box below.,(Pairwork or groupwork),loud music cars rubbish planes,littering ships factories smoking,building houses mobile phones,_,_,_,loud music,cars,rubbish,planes,littering,ships,factories,smoking,building houses,mobile phones,3,1b.Listen and complete the sentences,What was the problem?,The river was _.Even the bottom of the,river was full of _.There were no more,_ for fishermen to catch.,What caused the problem?,People are throwing _into the river.,Factories are putting _ into the river.,How should the problem be solved?,We,should write to the _ and ask them to,_ the factories.Everyone should help,to _ the river.,really dirty,rubbish,fish,litter,waste,government,close down,clean up,4,5,1.The air is badly polluted because there are _ on the road these days.,2.Factories that burn coal also _ the air with a lot of black smoke.,3.There is also too much rubbish and waste.People _,things every day.,4.People are also litter in _ like parks.This is turning beautiful places into ugly places.,2a,Listen to the interview.the kinds of pollution,that Jason and Susan talk about.,A.waste pollution B.air pollution C.noise pollution D.water pollution,Circle,2b.Listen again and complete the sentences.,littering,more cars,pollute,are throwing away,6,7,Read the conversation quickly,find out the answer,to the question.,What kinds of pollutionare mentioned in this conversation?,2d.,Air pollution and waste pollution.,2.Read the conversation again and complete the blanks.,Pollution,Ways to solve the problem,Air pollution,Waste pollution,Take the bus or subway instead of driving;,ride a bike.,bring a bag to go shopping;,only use wooden chopsticks or plastic,forks at home;,Throw rubbish in the bins,8,9,1.We are trying to save the earth.,我们正在努力拯救地球。,【,解析,】try doing sth,尝试做某事（不一定付出很大努力）,try to do sth,尽力做某事（强调付出一定的努力设,法完成）,想一想,?,尽某人最大的努力做某事,try_,2.But it used to be so clean.,但它过去是如此干净。,【,解析,】used to,的意思是,_,其中,to,是不定式符号，不是,介词，所以其后要接,_,。,be used to,的意思是,_,，其中,to,是介词，其后要接,_,【,合作探究,】,ones best to do sth.,习惯干某事,过去常常做某事,动词原形,doing,2.He _ go out with his parents,but now he _ staying at home alone.,A.used to;is used to B.is used to;used to,C.use to;is used to D.is used to;is used to,10,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,【,合作探究,】,3.,Its good for health and it doesnt cost anything!,它对身体有好处并且不会花费任何东西。,cost vt.1.,花费；价格为；,【,拓展,】take/spend/cost/pay,的用法都可以表示“花费”，但用法却不尽相同。,spend,的主语必须是,_,，常用于,_,cost,的主语是物或某种活动，还可以表示“值”，用于,_,（注意：,cost,的过去式及过去分词都是,cost,并且不能用于被动句。）,take,后面常跟双宾语，常见于,_,pay,的基本用法是：,_,人,Sb.,spend,time/money,on,sth.,Sb.,spend,time/money,doing,sth.,cost sb.money.,It takes sb.sometime to do sth.,pay money for sth.,11,4.,To cut down air pollution,we should take the bus or subway instead of driving.,为了减少空气污染，我们应当乘坐公汽或地铁而不是开车。,本句中,To cut down air pollution,是动词不定式作目的状语。,cut down,意为,_,减少,We must do something useful to _ pollution.,A.cut off B.cut up C.cut down D.cut in,12,I.,单项选择。,1.Eating too much sugar can _ healthy problems.,A.get to B.lead to C.point to D.able to,2.-What are the _ of bike riding?-Its good for our health.,A.advantages B.reasons C.results D.ideas,II.,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 grandparents were _ (fisherman)near the sea,before they moved to the town.,当堂检测,B.,A.,pollution,keeping,improving,wooden,fishermaners,13,III.,根据汉语意思完成下列句子。,1.,咱们玩纸牌吧，别看电视了。,Lets play cards _ _ watching TV.,2.,我们的行动会起作用，并且通向更好的未来。,Our actions can _ a difference and lead to a _ future.,3.,这个木箱时装满了书。,The _box_ _ _books.,is full of,instead of,make,better,wooden,14,Homework,We have only one earth,find out as many ways to solve pollution problems as possible,.,_.,15,Bye Bye,16,