一对一人教版选修6 UNIT 4 Global warming词汇及句型精讲.docx
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一对一人教版选修6UNIT4Globalwarming词汇及句型精讲
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选修6UNIT4Globalwarming词汇及句型精讲
授课日期及时段
教学内容
课前小练:
语法填空
RefreshOurEnvironment
Asthedirectorstatedonbehalfofhisresearchinggroup,thedataofthisgraphmakesaclearpresentationofthefutureenvironmentaltendency.Ononehand,thequantityoffuelkeepsondecreasingby9%peryearwhilethe___1____ (grow)ofawiderangeofpollutionhasbeenaglobaltrend.Ontheotherhand,the mildly but___2____(steady) goingupoftheaveragetemperatureisresultingincatastropheslikewidespreadfloods. ____3_____disagreement,theysubscribetotheview __4____ itishumans’existenceandtheirrandomlyconsumingenergythatresultinthisphenomenon.
Manypeoplehaveacommitment thatdevelopingnuclearpowerorenergy ___5____ outerspacewillstopbadconsequences___6____(come)about.However,scientistsandeducatorsareopposedtothisviewevenifourneedsmaybemetonthewhole.Theytendtoadvocaterefreshingourcircumstances ____7____savingenergyandrecyclingwaste.Itissuggestedthatweuseenergy-savingappliancessuchaselectricalmotors,microwavesandsoon ___8______ notbecasualaboutlittlethingslikerecyclingacan.Sopleaseglancearoundandsee ___9____youcando.Solongaseverybody___10_____(make) contribution,wewillnothavetoputupwiththisproblemanymore.
【重点词汇】
1.quantityn.量;数量
(1)Yourworkhasimprovedinquantityandqualitythisterm.本学期你的作业在数量上和质量上都有所提高。
(2)Mybrotherboughtalargequantityofbooks.
我弟弟买了大量的书。
inquantity大量
quantitiesof+名词+复数谓语动词许多……
aquantityof+
大量
……
2.tend vi.趋向;易于;照顾 vt.照顾;护理
3.oppose vt.反对;反抗;与(某人)较量
opposed adj.反对的;对立的
(1)CongressiscontinuingtoopposethePresident’shealthcarebudget.
国会继续反对总统的卫生保健预算。
(朗文词典)
(2)Thefatherisopposedtohisson’smarriage.
父亲反对儿子的婚事。
(1)oppose(doing)sth.反对(做)某事
(2)beopposedto反对
asopposedto而;相对于
state vt.陈述;说明
range n.种类;范围
(1)Thedrugiseffectiveagainstarangeofbacteria.
这种药品对一类细菌有效。
(朗文词典)
(2)Thereare120studentswhoseagesrangefrom10to18.有120名学生,年龄在10到18岁之间。
arangeof一系列……
beyond/outofone’srange/therangeofsb.超出某人的范围
in/withintherangeof在……范围之内
rangefrom...to...从……到……之间变化
glance vi.看一下;扫视 n.一瞥
steady adj.平稳的;持续的;稳固的
steadily adv.平稳地;持续地
tendency n.倾向;趋势
tendv.趋向;易于;照顾
widespread adj.分布广的;普遍的
average adj.平均的
(1)Shewasjustanaveragehighschoolathlete.
她仅仅是个普通中学运动员。
(2016·江苏)
(2)It’ssaidthatthepaperreceivesanaverageofnearly100articlesaday.
据说这个报社平均每天要收到接近一百来篇稿件。
anaverageof平均有(后跟数词)……
theaverageof...……的平均数
on(an/the)average平均;一般地
above/below(the)average在平均水平以上/以下
“anaverageof+复数名词”作主语,谓语动词用复数;“theaverageof+复数名词”作主语,谓语动词用单数。
circumstancen.环境;情况
(1)Obviouslywecan’tdealwiththeproblemuntilweknowallthecircumstances.
显然,我们只有了解全部情况后才能处理这个问题。
(剑桥词典)
(2)Iwishwecouldhavemetunderhappiercircumstances.
我真希望我们是在更愉快的情况下相识的。
in/undernocircumstances决不(置于句首,句子要用倒装语序)
in/underthecircumstances在这种情况下;既然这样
in/underanycircumstances在任何情况下
ifcircumstancesallow/permit如果情况允许
(1)抽象地点名词,如:
point,stage,case,situation,condition,position,activity,scene,occasion,environment,circumstance等作先行词,并在从句中作状语时,用where或“介词+which”引导定语从句。
(2)在短语in/underthe/no/anycircumstances中circumstance总是用复数。
【重点短语】
1.comeabout发生;造成
(1)Shehasamentaltoughnessthatdidnotcomeaboutbychance.
她心理稳定,这不是偶然发生的。
(2016·江苏)
(2)Howdiditcomeaboutthatheknewwherewewere?
他是怎么知道我们在什么地方的呢?
Itcomes/cameaboutthat...……发生。
Howdoes/diditcomeaboutthat...?
……是怎样发生的?
Whenitcomesto...当谈到……
comeabout相当于happen或occur,均无被动形式;且常用it作形式主语。
2.subscribeto同意;赞成;订购;捐助
(1)Isubscribedtothemagazineforonly
32ayear.订阅
(2)Howmuchdidyousubscribetothedisasterfund?
捐助
(3)Doyousubscribetoherpessimisticviewofthestateoftheeconomy?
同意
3.quantitiesof大量的
4.goup上升;增长;升起
5.resultin导致
6.beopposedto反对……
7.keepon继续
8.onthewhole大体上;基本上
9.onbehalfof代表……一方;作为……的代言人(=onone’sbehalf)代表……一方;作为……的代言人
[选词填空]
onbehalfof,standfor,represent
(1)WhatdoesWHO__________(代表)?
(2)Iapologizetoyou__________(代表)myfamily.
(3)He__________(代表)ourschooltotakepartinthecompetitionandallofuswereproudofhim.
(1)onbehalfof是介词短语。
(2)standfor往往用来表示“(字母、数字、符号等)代表什么”。
(3)represent用来表示“代表某人/某个团体(政府等)”“某种标志代表什么”“某物表现的是什么”和“把某人(物)描绘成什么”。
Keys:
(1)standfor
(2)onbehalfof
(2)represented
10.putupwith忍受;容忍
[猜测划线单词词义]
(1)Farwaterdoesn’tputoutnearfire.
(2)Encouragechildrentoputaside/awaysomeoftheirpocketmoneytobuyChristmaspresents.
(3)TheassociationhasputtheeventoffuntilOctober.
(4)Herbedwasneatlymade,herclothesputaway.
(5)ClassThreehasputforwardareasonableproposal.
(6)Wecan’tputupwithsuchterriblenoises.
putupwith忍受,容忍,相当于tolerate,stand,bear等。
11.andsoon等等
语境活用
[运用上述短语完成片段]
Aswecansee,manypeople1.___________(继续)throwingrubbish.Iwonderhowthissortofbadhabit2.___________(发生).3.___________(总之),Iamstrongly4.___________(反对)thebehaviorofthiskindandcan’t5.___________(忍受)it.6.___________(代表)thosewhotakegoodcareoftheenvironment,Iwouldliketosayaslongaswecanbehaveourselvesandstartfromourselvestoprotecttheearth,wecancreateabeautifulenvironment.
【重点句型】
1.Allscientistssubscribetotheviewthattheincreaseintheearth'stemperatureisduetotheburningoffossilfuelslikecoal,naturalgasandoiltoproduceenergy.
所有的科学家同意这种观点:
人们为了生产能量而燃烧化石燃料如煤、天然气和石油,从而引起了地球温度的升高。
2.Itmeansthatmoreheatenergytendstobetrappedintheatmospherecausingtheglobaltemperaturetogoup.
这意味着更多的热量被困在大气层中,从而引起全球温度上升。
3.ItwasascientistcalledCharlesKeeling,whomadeaccuratemeasurementsoftheamountofcarbondioxideintheatmospherefrom1957to1997.
是一位名叫查尔斯·基林的科学家曾经把1957-1997年期间大气层中二氧化碳的含量作了精确的统计。
4.Theyalsoagreethatitistheburningofmoreandmorefossilfuelsthathasresultedinthisincreaseincarbondioxide.
他们还同意下述观点,正是燃烧越来越多的化石燃料导致了二氧化碳的增加。
5.Ontheotherhand,therearethose,likeGeorgeHambley,whoareopposedtothisview,believethatweshouldnotworryabouthighlevelsofcarbondioxideintheair.
另一方面,还有一些人,像科学家乔治·汉布利,反对上面的观点,他们认为我们不必担心空气中会有高含量的二氧化碳。
6.Thereisnodoubtthat...
Thereisnodoubtthattheearthisbecomingwarmerandthatitishumanactivitythathascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.
毫无疑问,地球正变得更加暖和,并且全球变暖是人为的,而不是随意的自然现象。
仿写
毫无疑问,那里的孩子们急需关心和帮助。
Thereisnodoubtthatchildrentherearebadlyinneedofcareandhelp.
7.evenif引导让步状语从句
Evenifwestartreducingtheamountofcarbondioxideandothergreenhousegases,theclimateisgoingtokeeponwarmingfordecadesorcenturies.
即使我们开始减少二氧化碳和其他温室气体的含量,在(未来)几十年或几个世纪内,气候仍会持续转暖。
仿写
由上层人士做最终决定,即使其他人不同意。
(2014·浙江)
Higherupsmakethefinaldecisions,evenifothersmightdisagree.
8.so/aslongas引导条件状语从句
ItisOKtoleaveanelectricalapplianceonsolongasyouareusingit—ifnot,turnitoff!
只要你在使用电器设备,你便可以把它开着,如果不用就把它关掉!
仿写
只要有爱心和美德,世界将更美好。
(2014·广东)
Aslongasthereiskindnessandvirtue,theworldwillbecomemorebeautiful.
【跟踪练习】选修6 Unit 4Globalwarming
一、请根据各句上下文的意义,选择正确的单词填入空白处。
第一组:
state,catastrophe,decrease,Fahrenheit,widespread,fuel,phenomenon,glance,consequence,climate
132degrees_____________isequalto0degreesCelsius(Centigrade).
2Terrorism(恐怖主义)isa______________ofthe20thcentury.
3Oil,coal,naturalgas,charcoalareallcommon_____________.
4The1976Tangshanearthquakewasa____________toChina.
5Ilikethe_____________ofShenzhen.Ithasanaveragetemperatureof20℃.
6The_____________ofpeoplecuttingdownlotsoftreesisthatlandiseasytowashawaywhenitrainsandmorelandwillturnintodesert.
7Itwas___________thatLondonwouldhostthe30thSummerOlympics.
8Atfirst___________,themathproblemseemedeasy.
9Thisreformhasreceived____________supportthroughoutthecountry.
10Thespeciesofbirdis____________innumberseveryyear.
第二组:
nuclear,steady,average,title,existence,pollution,graph,disagreement,microwave,electrical
11Chinaisdevelopingfast,andithashadfiveyearsof_________economicgrowth.
12Pakistancameinto____________asanindependentcountryafterthewar.
13Mybrotherworkedasan____________engineeraftergraduatingfromcollege.
14Noise___________willdamagepeople’shearing.
15Thesoupiscold;pleasereheatitinthe____________.
16TheWhiteHouseisstronglyagainstDemocraticPeople'sRepublicofKorea(DPRK)andIrandeveloping____________weapons.
17Thereisa___________amongthearchaeologists(考古学家)astotheageofthesculpture.
18Theofficial___________ofthisjobis“AdministrativeAssistant(行政助理).”
19The____________showshowthehousepriceshaverisensincethe1980s.
20Fortyhoursisafairly____________workingweekformostpeople.
二、 把下列短语填入每个句子的空白处(注意所填短语的形式变化):
------------------------------------------------------------------------------
compare..to comeabout quantitiesof resultin arangeof
keepon buildup onthewhole putupwith solongas
------------------------------------------------------------------------------
1____________trying.You’llsucceedintime.
2Icannotimaginehowyou______________naughtychildrenatall.
3Ithink,_____________,thearticleiswellwrittenexceptforafewunfitsentences.
4Howdidthetrafficaccident_______________?
5_______________foodwereleftonthetable.
6Youcancallmeanytime______________youarefree.
7Youngkidsareoften_______________thefutureofourmotherland.
8Sportsandgamescan______________one’scharacter.
9Hislaziness_