高中英语 Unit 2 The environment 精品课件 译林必修5.ppt

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1、Unit 2 The environment2021/8/11 星期三1基础落实基础落实.高频单词思忆高频单词思忆1.lay 1.lay vtvt.(过去式过去式)(过去分词过去分词)(现在分词现在分词)2.management 2.management n n.v v.n n.经理经理3.destruction 3.destruction n n.v v.adjadj.摆放；下蛋摆放；下蛋laidlaidlaidlaidlayinglaying经营；管理经营；管理managemanagemanagermanager破坏破坏destroydestroydestructivedestructiv

2、e2021/8/11 星期三24.environmentalist 4.environmentalist n n.n n.环境环境 adjadj.环境的环境的 advadv.5.disappoint 5.disappoint vtvt.n n.adjadj.失望的失望的 adjadj.令人失望的令人失望的环境保护主义者环境保护主义者environmentenvironmentenvironmentenvironmentenvironmentallyenvironmentally使失望使失望disappointmentdisappointmentdisappointmentdisappointm

3、entdisappointingdisappointing6.remain 6.remain vivi.adjadj.余下余下 的，剩余的的，剩余的 n n.剩余物剩余物仍然是；剩余仍然是；剩余remainingremainingremainsremains2021/8/11 星期三37.decrease 7.decrease v v.v v.(.(反义词反义词)8.production 8.production n n.v v.adjadj.n n.产品产品9.technical 9.technical adjadj.n n.n n.技术人员技术人员减少减少increaseincrease生

4、产生产produceproduceproductiveproductiveproductproduct技术的技术的technologytechnologytechniciantechnician2021/8/11 星期三4.重点短语再现重点短语再现1.1.对对有持久的影响有持久的影响2.2.增长至增长至3.3.环保的生活方式环保的生活方式4.4.对对负责负责5.5.经营这些工厂的人们经营这些工厂的人们have a lasting effecthave a lasting effecton/uponon/upongrow to/climb to/rise to/increase togrow t

5、o/climb to/rise to/increase toan environmentally friendlyan environmentally friendlyway of livingway of livingbe responsible for(doing)sth./be responsible for(doing)sth./take responsibility for sth.take responsibility for sth.the people running thesethe people running thesefactoriesfactories6.6.对对有害

6、有害 do harm to/be harmful to/dodo harm to/be harmful to/dodamage to.damage to.2021/8/11 星期三57.7.自然灾害自然灾害8.8.采取措施来阻止沙漠化进程采取措施来阻止沙漠化进程9.9.认识到做某事的重要性认识到做某事的重要性10.10.引起国内外关注引起国内外关注11.11.偶遇偶遇12.12.得出一个结论得出一个结论natural disastersnatural disasterstake steps to stoptake steps to stopthe process of desertificat

7、ionthe process of desertificationrecognize therecognize theimportance of doing sth.importance of doing sth.raise concern bothraise concern bothnationally and internationally/both at homenationally and internationally/both at homeand abroadand abroadrun across/run into/come acrossrun across/run into/

8、come acrossdraw/come to/arrive at/reach adraw/come to/arrive at/reach aconclusionconclusion2021/8/11 星期三6.典型句式运用典型句式运用1.1.目前世界人口和目前世界人口和18001800年相比已经增加到那时的年相比已经增加到那时的6 6 倍多。倍多。The worlds population has grown to more The worlds population has grown to more than six times than six times in 1800.in 180

9、0.2.2.但有一点我的确赞同：循环利用或许是对两者都但有一点我的确赞同：循环利用或许是对两者都 有利的解决办法。有利的解决办法。But I But I agree that recycling may be the agree that recycling may be the key to helping both sides.key to helping both sides.what it waswhat it wasdodo2021/8/11 星期三73.3.我的建议是我们应该尽量削减生产我的建议是我们应该尽量削减生产 My suggestion is My suggestion i

10、s we should try to cut we should try to cut back on production and.back on production and.4.4.很显然你对我们目前的环境状况很担心。很显然你对我们目前的环境状况很担心。you are very concerned you are very concerned about the present situation of our about the present situation of our environment.environment.thatthatIt is obvious thatIt i

11、s obvious that2021/8/11 星期三8.综合语篇填空综合语篇填空1.1.we need is more effective laws to we need is more effective laws to preserve the environment,preserve the environment,still still allows the economy to grow.allows the economy to grow.2.Thankfully,many people have 2.Thankfully,many people have the the imp

12、ortance of protecting the Yangtze River importance of protecting the Yangtze River and environmental organizations and and environmental organizations and projects have been projects have been up to deal up to deal the problem.the problem.3.Two special government projects are also 3.Two special gove

13、rnment projects are also way to protect the river.way to protect the river.4.We 4.We have a long way to have a long way to to solve to solve all the problems concerning the Yangtze all the problems concerning the Yangtze River.River.WhatWhatwhichwhichrecognizedrecognizedsetsetwithwithunderunderstill

14、stillgogo2021/8/11 星期三9导练互动导练互动重点单词重点单词1.lay 1.lay vtvt.产卵，下蛋；摆放，放置；设置；铺产卵，下蛋；摆放，放置；设置；铺 设；奠定基础设；奠定基础 挑战自我挑战自我 (1)(1)午饭好了，请摆设餐具。午饭好了，请摆设餐具。Lunch is ready.Please Lunch is ready.Please .(2)(2)这种动物在水中产卵。这种动物在水中产卵。This kind of animal This kind of animal in in water.water.(3)(3)他们正在客厅铺设新地毯。他们正在客厅铺设新地毯。Th

15、ey They in the in the living room.living room.lay the tablelay the tablelays its eggslays its eggsare laying a new carpetare laying a new carpet2021/8/11 星期三10帮你归纳帮你归纳lay the tablelay the table摆放桌子摆放桌子(准备吃饭准备吃饭)，摆餐具，摆餐具lay eggslay eggs产卵，下蛋产卵，下蛋lay asidelay aside放在一边放在一边lay brickslay bricks砌砖砌砖lay f

16、oundationslay foundations打基础打基础lie lie vivi.躺；卧；处于躺；卧；处于状态；存在；位于状态；存在；位于;说谎说谎;n n.谎言谎言lie on the grasslie on the grass躺在草地上躺在草地上lie on ones backlie on ones back仰卧仰卧lie on ones sidelie on ones side侧身睡侧身睡lie on ones stomachlie on ones stomach俯卧俯卧tell lies/a lietell lies/a lie撒谎撒谎2021/8/11 星期三11温馨提示温馨提

17、示lielie与与laylay的不同词义、词性及四种基本形式：的不同词义、词性及四种基本形式：lielaylainlying lielaylainlying vivi.躺；卧；位于躺；卧；位于laylaidlaidlaying laylaidlaidlaying vtvt.放置；产卵放置；产卵lieliedliedlying lieliedliedlying vivi.撒谎撒谎即学活练即学活练用用lie,laylie,lay的适当形式填空的适当形式填空(4)There is a ladder(4)There is a ladder against the wall.against the wa

18、ll.(5)She often complains that her hens dont(5)She often complains that her hens dont well.well.(6)(6)the book where you took it.the book where you took it.(7)The boy often tells(7)The boy often tells ,so hardly anyone,so hardly anyone believes him.believes him.lyinglyinglaylayLayLaylieslies2021/8/1

19、1 星期三122.debate 2.debate vtvt.&.&vivi.辩论，争论，讨论辩论，争论，讨论;n n.辩论辩论;辩论会辩论会 挑战自我挑战自我 (1)(1)政府正在就教育法进行辩论政府正在就教育法进行辩论.The government is The government is .(2)(2)这是一场关于惩治罪犯的争论。这是一场关于惩治罪犯的争论。It is It is the punishment for the punishment for criminals.criminals.debating the educationdebating the educationlaws

20、lawsa debate abouta debate about2021/8/11 星期三13帮你归纳帮你归纳debate(about)sth.with sb.debate(about)sth.with sb.与与辩论辩论beyond debatebeyond debate无可辩论无可辩论open a debateopen a debate展开辩论展开辩论hold a debatehold a debate举行辩论会举行辩论会a warm debatea warm debate激烈的辩论激烈的辩论2021/8/11 星期三14易混辨异易混辨异debate,argue,discussdebate

21、,argue,discuss(1)debate(1)debate指正式的辩论，通常在一位仲裁人的主持指正式的辩论，通常在一位仲裁人的主持下，按照一定的规则进行，双方各自申诉理由，下，按照一定的规则进行，双方各自申诉理由，“交交锋锋”意味较强。其后接名词或意味较强。其后接名词或whetherwhether引导的不定式引导的不定式短语，不常接短语，不常接thatthat从句。从句。(2)argue(2)argue指说理、论证，侧重于摆事实，试图说服指说理、论证，侧重于摆事实，试图说服对方，也可能是激烈地交换意见，以致于争吵。其对方，也可能是激烈地交换意见，以致于争吵。其后接名词或后接名词或that

22、that从句，不常接从句，不常接whatwhat，whenwhen，whetherwhether等引导的从句和不定式。等引导的从句和不定式。(3)discuss(3)discuss重在交换意见，进行讨论，不含有意说重在交换意见，进行讨论，不含有意说服对方的成分。其后接名词，动名词，不定式短语服对方的成分。其后接名词，动名词，不定式短语和和when,whether,whatwhen,whether,what等引导的从句，但不常接等引导的从句，但不常接thatthat从句。从句。2021/8/11 星期三15即学活练即学活练(3)The two sides debated(3)The two si

23、des debated each other each other who was the better for a whole day.who was the better for a whole day.A.to;to A.to;to B.with;about B.with;about C.about;with C.about;with D.between;in D.between;inB2021/8/11 星期三163.flow 3.flow vivi.(.(液体等液体等)流动；涌出流动；涌出;(;(头发、衣服等头发、衣服等)飘动；垂下飘动；垂下;n n.流动；流量；流畅流动；流量；流畅

24、 挑战自我挑战自我 (1)(1)那条河由北向南流。那条河由北向南流。The river The river .(2)(2)那条路上车水马龙那条路上车水马龙.There was There was on the on the road.road.(3)(3)政府正在设法阻止越来越多的难民涌入国内。政府正在设法阻止越来越多的难民涌入国内。The government is trying to stop The government is trying to stop of refugees entering of refugees entering the country.the country.

25、flows from north to southflows from north to southa heavy flow of traffica heavy flow of trafficthetheincreasing flowincreasing flow2021/8/11 星期三17帮你归纳帮你归纳flow awayflow away流走流走flow fromflow from来自；由来自；由引起引起flow intoflow into流入流入flow downflow down流下流下the flow of water/water flowthe flow of water/wat

26、er flow水流水流 易混辨异易混辨异flow,floatflow,float(1)flow(1)flow vivi.(.(液体等液体等)流动；涌出流动；涌出;(;(头发、衣服等头发、衣服等)飘飘动；垂下动；垂下;n n.流动；流量；流畅。流动；流量；流畅。(2)float(2)float vivi.漂浮；漂流；飘动；漂浮；漂流；飘动；vtvt.使使(某物某物)漂漂浮；使浮；使(某物某物)漂流或飘动。漂流或飘动。float in the airfloat in the air飘在空中飘在空中float on the waterfloat on the water浮在水面浮在水面2021/8/

27、11 星期三18即学活练即学活练(4)(4)这条河就在这里汇入海洋。这条河就在这里汇入海洋。Its here that this river flows into theIts here that this river flows into theocean.ocean.2021/8/11 星期三194.approach 4.approach vtvt.&.&vivi.接近，靠近接近，靠近;n n.方法；入方法；入 口；通路口；通路;接近，靠近接近，靠近 挑战自我挑战自我 (1)(1)圣诞节快到了。圣诞节快到了。The Christmas Day The Christmas Day .(2)(

28、2)他是一个难以接近的人。他是一个难以接近的人。He is a man He is a man .(3)(3)他们找到了治疗癌症的新方法。他们找到了治疗癌症的新方法。They have found They have found cancer treatment.cancer treatment.is approachingis approachinghard to approachhard to approacha new approach toa new approach to2021/8/11 星期三20温馨提示温馨提示approachapproach作作“方法方法”解时，为可数名词，后

29、面接介解时，为可数名词，后面接介词词toto。即学活练即学活练(4)Snow announced the(4)Snow announced the of winter.of winter.A.principle A.principleB.approachB.approach C.end C.endD.beginningD.beginningB2021/8/11 星期三215.situation 5.situation n n.状况，处境状况，处境(也指一定时期内总也指一定时期内总 的情况，形势的情况，形势)挑战自我挑战自我 (1)(1)我目前处境困难。我目前处境困难。I am now I am

30、 now .(2)(2)你如何分析当前的经济形势？你如何分析当前的经济形势？How do you analyze How do you analyze?in a difficult situationin a difficult situationthe present economicthe present economicsituationsituation2021/8/11 星期三22易混辨异易混辨异state,condition,positionstate,condition,position(1)state(1)state表示表示“情况，状况情况，状况”，常用单数，可与不定，常用单数

31、，可与不定冠词连用，表示人或物在外观、心灵、健康、心理冠词连用，表示人或物在外观、心灵、健康、心理等方面的情形或状况。常用于等方面的情形或状况。常用于in a.statein a.state或或in a in a state ofstate of结构。结构。(2)condition(2)condition表示表示“条件，情况，状况条件，情况，状况”，其单数形，其单数形式指人或事物所处的状态，这时与式指人或事物所处的状态，这时与statestate意思相近，意思相近，可互换。但可互换。但condition condition 还常着重指由一定的原因或还常着重指由一定的原因或条件所造成的状态，如人

32、的健康状况、物的完好程条件所造成的状态，如人的健康状况、物的完好程度、设备的可用性等。其复数一般指笼统的情况或环境。度、设备的可用性等。其复数一般指笼统的情况或环境。(3)position(3)position表示表示“位置、地位、职位、姿势位置、地位、职位、姿势”等。等。2021/8/11 星期三23帮你归纳帮你归纳be in a difficult situationbe in a difficult situation处境困难处境困难be in good conditionbe in good condition状态状态/状况良好状况良好(无冠词无冠词)be in a good stat

33、e of healthbe in a good state of health身体状况良好身体状况良好improve the housing conditionsimprove the housing conditions改善住房条件改善住房条件have a high position in societyhave a high position in society有很高的社会有很高的社会地位地位即学活练即学活练用用state,condition,positionstate,condition,position填空填空(3)They were silent for a long time,i

34、n a(3)They were silent for a long time,in a of hesitation and doubt.of hesitation and doubt.(4)Ill come on(4)Ill come on that my parents that my parents are invited,too.are invited,too.(5)From her(5)From her ,it was impossible to,it was impossible to see the whole arena.see the whole arena.statestat

35、econditionconditionpositionposition2021/8/11 星期三246.appreciate 6.appreciate vtvt.赏识，欣赏；感激赏识，欣赏；感激 挑战自我挑战自我 (1)(1)你能来参加这次聚会我太高兴啦。你能来参加这次聚会我太高兴啦。I really I really the party.the party.(2)(2)我们感谢你对公司的发展所做的努力。我们感谢你对公司的发展所做的努力。We We for the for the development of the company.development of the company.(3)

36、(3)如承蒙您的帮助我将不胜感激。如承蒙您的帮助我将不胜感激。I would I would you could help you could help me.me.appreciate your coming toappreciate your coming toappreciate your effortsappreciate your effortsappreciate it ifappreciate it if2021/8/11 星期三25帮你归纳帮你归纳appreciate sth.appreciate sth.欣赏欣赏/赏识赏识/感激某事物感激某事物appreciate doing

37、 sth.appreciate doing sth.感激做某事感激做某事appreciate one/ones doing sth.appreciate one/ones doing sth.感激某人做感激某人做某事某事I would appreciate it if.I would appreciate it if.如果如果我将不胜我将不胜感激感激appreciation appreciation n n.赏识，欣赏；感激赏识，欣赏；感激She shows little or no appreciation of good She shows little or no appreciatio

38、n of good music.music.她对于好的音乐鲜有或没有欣赏的能力。她对于好的音乐鲜有或没有欣赏的能力。2021/8/11 星期三26温馨提示温馨提示appreciateappreciate的宾语为某种行为，不可以人作宾语。的宾语为某种行为，不可以人作宾语。I appreciate your help.I appreciate your help.I appreciate your helping me.I appreciate your helping me.I am grateful to you for your help.I am grateful to you for y

39、our help.我感激你的帮助。我感激你的帮助。即学活练即学活练(4)(4)我很赏识你的才能。我很赏识你的才能。(5)(5)我不愿被人当作二等公民。我不愿被人当作二等公民。I greatly appreciate your talents.I greatly appreciate your talents.I dont appreciate being treated as a I dont appreciate being treated as a second-class citizen.second-class citizen.2021/8/11 星期三277.expand 7.exp

40、and vtvt.&.&vivi.扩大，扩张，扩大，扩张，(使使)膨胀膨胀 挑战自我挑战自我 (1)(1)金属受热膨胀。金属受热膨胀。Metals Metals .(2)(2)我们的生意已经扩大，从拥有一间办公室变为我们的生意已经扩大，从拥有一间办公室变为 拥有十二间办公室。拥有十二间办公室。Our business has Our business has to having twelve.to having twelve.(3)(3)诺基亚公司想拓展亚洲市场。诺基亚公司想拓展亚洲市场。The Nokia company wants to The Nokia company wants to

41、 in Asia.in Asia.expand when heatedexpand when heatedexpanded from having oneexpanded from having oneofficeofficeexpand itsexpand itsmarketmarket2021/8/11 星期三28易混辨异易混辨异expand,enlarge,spreadexpand,enlarge,spread(1)expand(1)expand指体积、范围、数量、重要性的扩大。指体积、范围、数量、重要性的扩大。(2)enlarge(2)enlarge指尺寸或空间的扩大、放大。指尺寸或空

42、间的扩大、放大。(3)spread(3)spread指面积的扩大、伸展；传播。指面积的扩大、伸展；传播。即学活练即学活练用用expand,enlarge,spreadexpand,enlarge,spread的适当形式的适当形式填空填空(4)She(4)She her store by adding a second her store by adding a second room.room.(5)Can you(5)Can you the wedding photo for me?the wedding photo for me?(6)The fire(6)The fire quickly

43、 through the quickly through the forest.forest.expandedexpandedenlargeenlargespreadspread2021/8/11 星期三29重点短语与句型重点短语与句型8.under way8.under way已经开始并在进行中已经开始并在进行中 挑战自我挑战自我 (1)(1)经济已经在恢复之中。经济已经在恢复之中。Economic recovery Economic recovery .帮你归纳帮你归纳 under under prepprep.表示表示“在在中的、正被中的、正被 中中”，后加抽象名词，表示进行的状态。，后

44、加抽象名词，表示进行的状态。under consideration under consideration在考虑中在考虑中 under construction under construction在建设中在建设中 under contact under contact在联系中在联系中is already under wayis already under way2021/8/11 星期三30under discussionunder discussion在讨论中在讨论中under examinationunder examination在审查中在审查中under investigationu

45、nder investigation在调查中在调查中under repairunder repair在修理中在修理中under trialunder trial在受审中在受审中即学活练即学活练(2)(2)special government project is under special government project is under way to protect the river.way to protect the river.A./;/A./;/B.The;aB.The;a C.A;/C.A;/D.A;theD.A;theC2021/8/11 星期三319.rely on 9

46、.rely on 依靠，信赖依靠，信赖(=depend on)(=depend on)挑战自我挑战自我 (1)(1)汤姆在穿着上总是依赖他妻子的意见。汤姆在穿着上总是依赖他妻子的意见。Tom always Tom always advice advice on clothes.on clothes.(2)(2)你可以相信我，我会保守你的秘密的。你可以相信我，我会保守你的秘密的。You can You can keep your secret.keep your secret.(3)(3)你可以相信他一定会准时来到。你可以相信他一定会准时来到。You can You can he must co

47、me he must come here on time.here on time.relies on his wife forrelies on his wife forrely on me torely on me torely on it thatrely on it that2021/8/11 星期三32帮你归纳帮你归纳rely on sb.to do sth.rely on sb.to do sth.指望某人做某事指望某人做某事rely on sb.for sth.rely on sb.for sth.依靠某人做某事依靠某人做某事rely on it+thatrely on it+t

48、hatclauseclause相信相信即学活练即学活练(4)(4)他是一个值得信赖的人。他是一个值得信赖的人。(5)(5)不要指望他说实话。不要指望他说实话。He is a man to be relied on.He is a man to be relied on.Dont rely on him to tell the truth.Dont rely on him to tell the truth.2021/8/11 星期三3310.pick out 10.pick out 区别出，辨别出；看出；选出；区别出，辨别出；看出；选出；领会领会 挑战自我挑战自我 (1)(1)你能在这一段里找

49、出四个语法错误吗？你能在这一段里找出四个语法错误吗？Can you Can you in this paragraph?in this paragraph?(2)(2)要在人群中分辨出她来不容易。要在人群中分辨出她来不容易。It is not easy to It is not easy to in the in the crowd.crowd.pick out four grammar mistakespick out four grammar mistakespick her outpick her out2021/8/11 星期三34易混辨异易混辨异choose,select,pick

50、outchoose,select,pick out三者都表示选择，挑选，有时可以通用。句型三者都表示选择，挑选，有时可以通用。句型choose/select/pick out sth.from.choose/select/pick out sth.from.表示表示“从众从众多多中挑选出来中挑选出来”，但在含义上三者有时还有区别：，但在含义上三者有时还有区别：(1)choose(1)choose 通常是指在所提供的对象中，凭个人的通常是指在所提供的对象中，凭个人的意志和判断力进行选择，往往以个人好恶或是否合意志和判断力进行选择，往往以个人好恶或是否合适为标准，因此在表示选择事业，选择爱人时，不