英语必修Ⅴ牛津译林版UNIT2课件（共40张）阅读.ppt

1、Unit 2 The environmentWhen we talk about“the environment”,what words will come to your mind?DisasterPollutionProtectionforest fireearthquakedroughtfloodtyphoontsunamiSome kinds of pollution In China millions of tons of household wastes are produced everyday.Air pollutionThe automobiles are piping ou

2、t all kinds of waste gas into the atmosphere.We always can see heavy smoke is piped from the tall and ugly chimneys.SandstormEverything was covered with sands.It looks like something like a bomb exploding not far away.Water pollution caused by chemicalsHuai River in China Michigan Lake in USAThe imp

3、act on human beings Many children suffer hunger.Because of pollution many children were born abnormal.The economyor the environmentmust we choose?a debate between an environmentalist and an economistHave you ever watched a debate or even taken part in a debate?Do you know something about debates?Rea

4、ding strategy:reading a debatelWhat is the order of a debate?1.One side:present their points first2.The other side:follow and present their points 3.Have a discussionSpeakers in a debate will represent opposite views.The order of the debate:Lin Shuiqing presents her points.Qian Liwei presents his po

5、ints.Open discussion.1.For what reason many places have been destroyed and many plants and animals are died?2.By how many times has the worlds population increased since 1800?Lin Shuiqings viewLin Shuiqings view 1.For what reason many places have been destroyed and many plants and animals are died?B

6、ecause factories produce large numbers of harmful chemicals.chemical wasteharm/damage1.Many places have been destroyed and many animals are died.2.The waste goes into the atmosphere and makes us sick.3.Some flows into water,killing river and sea life.chemical wasteLin Shuiqings view2.By how many tim

7、es has the worlds population increased since 1800?The worlds population has grown by six times what it was in 1800.Lin Shuiqings viewDiscussionDiscussion What effects does the increasing population have on the environment?1.need more land and more food(limited natural resources)2.produce more rubbis

8、h 3.Lin Shuiqings viewSituationAdvice 1.Factories produce large amounts of harmful chemicals.2.The worlds population has grown by six times what it was in 1800.1.Cut back on _ and reduce the amount of things we make and buy.2.Increase the amount of things we _.3.Teach people ways of living that are

9、not _ to the environment.productionrecycleharmfulview?1.In Qian Liweis opinion,what belief do people often have?2.Why does Qian Liwei think production should not be reduced?3.Whats Qian Liweis advice about protecting the environment?Qian Liweis viewQian Liweis view1.In Qian Liweis opinion,what belie

10、f do people often have?People often have the belief that development is bad for the environment.2.Why does Qian Liwei think production should not be reduced?Because jobs will be lost.People are more important than fish and trees.3.Whats Qian Liweis advice about protecting the environment?Advice1.pro

11、duce more things from materials that have been recycled,and less from raw materials2.need better laws to preserve the environment3.pay higher taxesQian Liweis viewWhat can we do in our daily life in order to protect the environment?Using handkerchief instead of the paper napkin.Using paper bag inste

12、ad of plastic bag.Do not use one-off chopsticks.Throw cans,bottles,paper and plastic into the dustbin.lCheck the answers.Lin Shuiqingrecycling waste_chemical waste_population_fishing_water pollution_production_Qian Liweitaxes _recycling waste _factories _production _laws _Put the points each speaker

13、 talks about in the correct order.64321234515With me are Ms Lin Shuiqing,from the Green Society,and Mr Qian Liwei,a business development consultant.From the speaker on the wall came the principals voice.Lying on the ground was an old lady.Attached to the leg of the pigeon was a letter.Present at the

14、 meeting were some distinguished guests.完全倒装Prep.phrase/Adv.+v.+n.Doing/Done/Adj.+prep.phrase/adv.+is/are+n.First I am talking to you today about the way vast areas of the world are damaged by chemical waste.It would be good to increase the amount of waste we recycle,and teach people ways of living

15、that do not harm the environment.way生活方式一个学习英语的好方法我喜欢她笑得样子。今天我将讲述我们的地球是如何受到破坏的。This will result in a smaller number of fish left for us to eat in the future.离下课只剩下5分钟了。我上班去了，留他在路边哭。他父母去世了，留他成了一个孤儿。While we damage our environment,we keep producing more and more people who need more land to live on an

16、d more food to eat!The worlds population has grown by six times what it was in 1800.注意下列表倍数关系的句型：1)times+as+adj./adv.+as+2)times+adj./adv.的比较级+than3)times+the size/length/width/depth/value/weightof+4)times+what-clauseThe cotton output this year is five times what it was in 1996.It is clear that you

17、are very concerned about the present situation of our environment.It is clear/obvious/apparent/as plain as day that 显然We need to stop thinking of companies and businessmen as the enemy,and give them more credit.People often have this belief that development is bad for the environment,but this does n

18、ot have to be true.However,I do agree that we should produce more things from materials that have been recycled and less from raw materials,the supply of which is growing smaller and smaller.This might make wood and seafood more expensive,but paying a higher price for some things is not always bad.Asking around,I find many people willing to pay a litter higher price for things that are friendly to the environment.What if they run out?“What if”如果将会怎么样What if it rains while we are a long way from shelter?What if the rumour is true?