复习必备秋高中英语 Unit 4 Global warming同步练习 新人教版选修6.docx
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复习必备秋高中英语Unit4Globalwarming同步练习新人教版选修6
Unit4Globalwarming
话题诵读日积月累
[导语] 你知道全球变暖会给人类的生活和环境带来哪些变化吗?
ShortandLongTermEffectsofGlobalWarming
·Climatechange
Globalwarmingiscausingthetemperatureoftheearthtoriseslowly,causingmassiveglobalchangestoournaturalenvironment.
·Risingsealevel
Globalwarmingisrapidlymeltingglaciersaroundtheglobe,causingarisingsealevelandpossiblycoastalfloodingandotherweatherproblemsinthefuture.
·Ecosystemchanges
Globalwarmingischangingcertainecosystemsthroughoutduetotemperaturefluctuations.Animalsandplantsarebeingforcedtoadapttothis,and,asaresult,aredyingoff.
·Breakdownoftheozonelayer
Globalwarmingiscreatingholesintheozonelayer,primarilyfromhumanuseofproductsthatemitpoisonous
chemicals.TheozonelayerabsorbsUVradiationfromthesun.Theholesarecausingamountsofpoisonouschemicalspresentinourbreathingairtoincreaseatarapidrate.
[词海拾贝]
1.glaciern.冰川
2.ecosystemn.生态系统
3.fluctuationn.波动
4.ozonen.臭氧
5.emitvt.发出,放射
[问题思考]
1.Whateffectsisglobalwarmingcausing?
_______________________________________________________
2.Isitserioustohaveholesintheozonelayer?
_______________________________________________________
答案:
1.Climatechange,risingsealevel,ecosystemchangesandbreakdownoftheozonelayer.
2.Yes,itis.
自主预习步步提高
词汇识记
Ⅰ.将单词与其正确释义连线
1.consume A.图表;曲线图
2.graphB.现象
3.phenomenonC.燃料
4.fuelD.平均的
5.trendE.趋势;倾向
6.mildF.温和的;温柔的
7.consequenceG.环境;情况
8.circumstanceH.贡献
9.averageI.消费;消耗
10.contributionJ.结果
答案:
1-I 2-A 3-B 4-C 5-E 6-F 7-J 8-G 9-D 10-H
Ⅱ.根据所给汉语提示写出单词
1.____________n.洪水;水灾
2.____________vt.反对;反抗
3.____________adj.平稳的;持续的
4.____________adj.分布广的;普遍的
5.____________vt.拥护;提倡,主张
6.____________n.污染;弄脏
答案:
1.flood 2.oppose 3.steady 4.widespread 5.advocate 6.pollution
Ⅲ.根据英语释义写出单词
1.________:
aquicklook
2.________:
anamountoranumberofsth
3.________:
topaymoneyregularlytosupportacharity
4.________:
toexpresssomethinginspeechorwriting,
especiallyinadefiniteorformalway
5.________:
happeningorchosenwithoutanydefiniteplan,
aimorpattern
6.________:
totakeaparticulardirection
7.________:
asuddeneventresultingingreatlossand
misfortune
8.________:
thelimitsbetweenwhichsthvaries;asetof
productsofaparticulartype
答案:
1.glance 2.quantity 3.subscribe 4.state 5.random 6.tend 7.catastrophe 8.range
Ⅳ.选用短语的适当形式完成句子
keepon;beopposedto;comeabout;resultin;subscribeto;goup;quantitiesof;evenif
1.Therearelarge______________________raininthisarea.
2.Doyouknowhowglobalwarming___________________?
3.Ihavenever____________________theviewthatschooldaysarethehappiestdaysofyourlife.
4.Ifyouwanttomakethekite__________________,pullthestringhard,andthenreleaseitslowly.
5.Hiscarelessspeech____________________muchargument.
6.We________________________thepracticeofpowerpoliticsbetweennations.
答案:
1.quantitiesof esabout 3.subscribedto
4.goup 5.resultedin 6.areopposedto
Ⅴ.领会句子所用的句型并译成汉语
1.Thatprobablydoesnotseemmuchtoyouorme,butitisarapidincreasewhen__compared__toothernaturalchanges.
_______________________________________________________
_______________________________________________________
2.There__is__no__doubt__thattheearthisbecomingwarmer(seeGraph1)andthatitishumanactivitythathascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.
_______________________________________________________
_______________________________________________________
3.Withoutthe“greenhouseeffect”,theearthwould__beaboutthirty-threedegreesCelsiuscoolerthanitis.
_______________________________________________________
_______________________________________________________
答案:
1.这个数值对你我来说可能是无所谓的,但是跟其他自然变化相比较而言,这却是一种快速的增长。
2.毫无疑问,地球是在变暖(见表一),而地球变暖正是人类活动导致的,并非是一种无规律的自然现象。
3.如果没有“温室效应”,地球温度将比现在低大约33摄氏度。
语篇理解
课文表层理解
Ⅰ.判断正(T)误(F)
1.Thetemperatureinthelastcenturydidnotseemtoincreasemuch.( )
2.Everyonebelievesthatglobalwarmingiscausedbytheactivityofhumans.( )
3.JaniceFosterbelievesthatshecanmeasurethefutureglobalriseintemperature.( )
4.Theriseincarbondioxideiscausingasteadyincreaseinglobalwarming.( )
5.GeorgeHambleybelievesthatglobalwarmingwilldogoodratherthanharmtotheearth.( )
6.Itisclearwhattheeffectsofglobalwarmingwillbe.( )
答案:
1.T 2.T 3.F 4.T 5.T 6.F
Ⅱ.读课文回答问题
1.Whatdotheythinkaboutglobalwarming?
Dotheyagreewithoneanother?
_______________________________________________________
2.Whatarethetwographsaboutinthetext?
_______________________________________________________
3.Whatisthemaintopicofthearticle?
_______________________________________________________
答案:
1.Therearesomeverydifferentattitudesamongscientiststowardsthisissue.Somethinktheeffectswillbeterrible,whilesomeothersbelievethatweshouldnotworryaboutit.
2.ThefirstgraphshowsthetemperatureincreaseofonedegreeFahrenheitbetween1860to2000.Thesecondgraphshowsthecarbondioxidecontentintheatmospherefrom1957to1997.
3.Globalwarming/Thewarmingoftheearth.
Ⅲ.表格填空
Theburningof1.________likecoal,naturalgasandoiltoproduceenergy.
Duringthe20thcenturythetemperatureoftheearthroseabout2.________degreeFahrenheit.Thelevelsofcarbondioxidehave3.________greatlyoverthelast100to150years.CharlesKeelingfoundthatthecarbondioxideintheatmospherewentupfromaround4.________partstoaround370partspermillionbetween1957and1997.
DrJaniceFoster
saysthattheamount
ofwarmingcouldbeaslowas1to1.5degreesCelsius,butitcouldbeashighas5degreesoverthenext5.________years.
Theclimatecouldbeveryserious
Ariseofseveralmetresinthe6.________
Severestorms,floods,7.________,famines.
Thespreadofdiseases.
Thedisappearanceof
8.________
Weshouldnotworryabouthighlevelsofcarbondioxideintheair.Itwillmakeplantsgrow9.________;cropswillproduce10.________;itwillencourageagreaterrangeofanimals.
答案:
1.fossilfuels 2.one 3.increased 4.315 5.100 6.sealevel 7.droughts 8.species 9.quicker 10.more
课文深层理解
Ⅰ.读课文匹配段落大意
1.Para.1 A.Thecauseoftheearth'sbecomingwarmer
2.Para.2B.Theconsequenceofburningfossilfuels
3.Para.3C.Theincreaseofcarbondioxide
4.Para.4D.Globalwarmingwillgoon
5.Para.5E.Puzzlesaboutglobalwarming
6.Para.6F.Differentattitudestoglobalwarming
7.Para.7G.Anintroductiontothepassage
答案:
1.G 2.A 3.B 4.C 5.D 6.F 7.E
Ⅱ.阅读P26~P27文,选择最佳答案
1.Whofoundouttheamountofcarbondioxideintheatmospherefrom1957to1977?
A.DrJaniceFoster. B.CharlesKeeling.
C.GeorgeHambley.D.SophieArmstrong.
2.Theauthorprobablyagreesthat________.
A.actuallyglobalwarmingisgoodforman
B.weshoulddonothingabouttheglobalwarming
C.catastropheswillhappeniftheglobekeepsonwarming
D.alotremainstobefoundoutabouttheeffectsofglobalwarming
3.What'sthemainideaofthesecondparagraph?
A.Thecauseoftheearth'sbecomingwarmer.
B.Theconsequenceofburningfossilfuels.
C.Theincreaseofcarbondioxide.
D.Globalwarmingwillgoon.
4.AccordingtoGeorgeHambley,________.
A.globalwarmingisaveryseriousproblem
B.there'snoneedtoworryaboutglobalwarming
C.thelevelsofCO2intheairwillbecomelowerinthefuture
D.moreanimalswillmakegreenhousegasesdecrease
5.Wecaninferfromthetextthat________.
A.thedebateabouttheeffectsofglobalwarminghasnotbeensettled
B.thegreenhouseeffectistheresultofpeople'sactions
C.allscientiststhinkitisimportanttoreducetheamountofCO2intheatmosphere
D.reducinggreenhousegaseswillimmediatelydecreasetheearth'stemperature
答案:
1.B 2.D 3.A 4.B 5.A
知识聚焦讲练互动
要点直击
1.consumevt.消费;消耗;耗尽;吃完;毁灭
(教材原句P25)Makealistofthethingsthatconsumeenergyinyourhome,school,oranyotherplacesyoucanthinkof.
列举一下在你家里、学校里或者其他任何你能想到的地方的消耗能量的东西。
①Sheconsumedmostofhertimeinreading.
她把大部分时间都花在读书上。
②Theelectricityindustryconsumeslargequantitiesoffossilfuels.
电力工业消耗大量的矿物燃料。
归纳拓展
beconsumedwith...被……所折磨
consumesthin(doing)sth把……用在(做)某事上
time-consumingadj.耗费时间的
consumern.消费者
consumptionn.消费量
即学即练
单句语法填空。
①Heroldcar________(consumer)muchfuel.
单句改错。
②Hewasconsumedofguiltaftertheaccident.
_______________________________________________________
完成句子。
③Thekidssoon___________________________onthetable.
孩子们一会儿工夫就把桌子上的食品全部吃光了。
④Shedidn'tpasstheexam,becauseshe________TV.
她考试不及格,因为她把大部分时间都花在看电视上了。
答案:
①consumed ②of→with ③consumedallthefood ④consumedmostofhertimein(watching)
2.when引导的省略句
(教材原句P26)Thatprobablydoesnotseemmuchtoyouorme,butitisarapidincreasewhencomparedtoothernaturalchanges.
这对你我来说很可能是无所谓的,但是跟其他自然变化相比而言,这却是一种快速的增长。
[句式分析]
whencomparedto...是时间状语从句的省略,其完整形式为:
whenitiscomparedto...英语中有时为了避免重复,在不损害句子结构或不引起误解的原则下,往往省去一个或多个句子成分或单词。
在以when,while等连词引导的时间、条件、方式、让步等状语从句中,常常省略相同的主语或作主语的代词it以及be动词,而保留现在分词、过去分词、介词短语、不定式等。
①Whencomparedtooursmallflat,Bill'shouseseemedlikepalace.
和我们的小公寓相比,比尔的房子就像是宫殿。
归纳拓展
状语从句中的省略用法:
②If(Iam)givenanotherchance,Iwilldoitmuchbetter.
要是再得到一次机会,我会把它做得更好。
③Evenif(Iwere)invitedtotheparty,Iwouldn'tgo.
即使受邀参加聚会,我也不会去。
即学即练
单句语法填空。
①When________trouble,shealwaysgoestoherteacherforhelp.
②Iwon'tgotothepartyeventhough________(invite).
完成句子。
③__________________________________,heissuretogetwell.
如果再给他同样的治疗,他肯定会痊愈的。
④____________________________,youshouldremainsilentattheconference.
除非被邀请讲话,否则你应该在会上保持沉默。
答案:
①in ②invited ③Ifgiventhesametreatmentagain ④Unlessinvited