版高考英语总复习Unit4Globalwarming教学案新人教版选修6Word文件下载.docx
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tdecidedwhere_to_travel.
3.ItisOKtoleaveanelectricalapplianceonsolongasyouareusingit—ifnot,turnitoff!
只要你在使用电器设备,你可以让它开着——如果不用,就把它关掉!
so/aslongas“只要”,引导条件状语从句。
3.(2014·
广东卷)只要有善良和美德,世界将变得更加美丽。
As_long_as_there_iskindnessandvirtue,theworldwillbecomemorebeautiful.
Step2 课堂探究——核心考点 点点突破
1.重点难点考点学通练透 2.归纳总结拓展开阔视野 3.方法规律技巧权威点拨 4.面面俱到打创高效课堂
第一时段 Warmingup&
Reading
1.quantityn.量;
数量;
数目
[教材原句] Theproblembeginswhenweaddhugequantitiesofextracarbondioxideintotheatmosphere.
当我们向空气中排放大量的多余的二氧化碳的时候,问题就开始了。
(1)inquantity/inlargequantities 大量地
(2)aquantityof或quantitiesof后既可接可数名词复数也可接不可数名词。
(3)“aquantityof+名词”作主语时,谓语动词用单数;
而“quantitiesof+名词”作主语时,谓语动词用复数。
单句语法填空
①Asaresultofdestroyingtheforests,alargequantityofdesert____________(cover)thelandinthelastfewyears.
②Alargequantityofairconditioners____________(sell)sincethesummercame.
③Largequantitiesofwater________________(pollute)recently,sothelakesmellsterrible.
④Theseedwassprayedovertheground________largequantitiesbyplane.
完成句子
⑤Withmoreforestsbeingdestroyed,hugequantitiesofgoodearth________________________eachyear.
随着更多的森林被毁,每年有大量肥沃的泥土被冲走。
[答案] ①hascovered ②hasbeensold ③havebeenpolluted ④in ⑤arebeingwashedaway
[易错提醒] quantity与quality(质量)易混,要特别注意。
2.tendvi.趋向;
易于;
照顾 vt.照顾;
护理
[教材原句] Itmeansthatmoreheatenergytendstobetrappedintheatmospherecausingtheglobaltemperaturetogoup.
这意味着更多的热量有被困在大气层中的倾向,从而引起全球气温上升。
(1)tendtodosth.倾向于做某事
tendtowards/to倾向于;
趋于……
tendsb./sth.照顾;
护理某人/某物
(2)Thereisagrowingtendencyforsb.todosth.
某人做某事的倾向日益增长
①TheEnglishseasonsandclimatetend________extremes.
②Thereisagrowing________(tend)forpeopletoworkathomeinsteadofinoffices.
③Peopleunderlotsofstresstend________(suffer)fromphysicalproblems.
④Evenifhe________________(tend)withoutdelay,nothingwouldhavesavedhim.
写出下列句中tend的含义
⑤Hisviewstendtowardstheextreme.________
⑥Hetendstolosehistemperwhenhehearsbadnews.________
⑦(2017·
6月浙江卷)LastOctober,whiletendinghergardeninMora,Sweden,LenaPahlssonpulledoutahandfulofsmallcarrots.________
[答案] ①towards/to ②tendency ③tosuffer ④hadbeentended ⑤趋向 ⑥易于 ⑦护理
3.opposevt.反对;
反抗;
与(某人)较量
[教材原句] Ontheotherhand,therearethose,likeGeorgeHambley,whoareopposedtothisview,believethatweshouldnotworryabouthighlevelsofcarbondioxideintheair.
在另一方面,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。
(1)opposesth./doingsth. 反对(做)某事
opposesb./sb.'
sdoingsth.反对某人做某事
(2)opposedadj.反对的;
对立的
beopposedto=objectto反对……;
与……对立
(3)oppositeadj.相反的;
prep.在……的对面;
与……相反
beoppositeto在……的对面;
①Themayorisstronglyopposedto________(build)anewhall,whichmaycostalotofmoney.
②Herparentsareverymuchopposedto________(she)goingabroad.
③However,manystudentsandparentsoppose________(separate)studentsintoscienceandart.
④Theseniorstudentsstronglyobjectedto________________unfairlybyothers.
高中生们坚决反对受到别人的不公正对待。
[答案] ①building ②her ③separating ④beingtreated
[思维发散] 表示“反对;
不赞成”的表达还有:
disagreewith;
disapproveof;
beagainst;
objectto;
holdnegativeattitudestowards等等。
4.consequencen.结果;
后果;
影响
[教材原句] Theypredictthatanywarmingwillbemildwithfewbadenvironmentalconsequences.
他们预测任何变暖的情况不会很严重,对环境的影响也不会太坏。
(1)asaconsequence因此;
结果
asaconsequenceof=inconsequenceof
由于……的缘故
inconsequence=consequently因此;
(2)consequentadj.随之发生的;
作为结果的
①Asa____________(consequent),theycan'
tconcentrateontheirstudyandtendtobesleepyinclass.
②____________(consequent),sheunderstooditandbecameinterestedinChinesetraditionalculture.
③ThewarmingoftheEarthandthe___________(consequence)climaticchangesaffectusall.
句型转换
④Itsnowedyesterdayandasaconsequencethematchwascanceled.
→Itsnowedyesterdayand________/________________thematchwascanceled.
[答案] ①consequence ②Consequently ③consequent ④consequently;
asaresult
5.rangen.种类;
范围;
幅度;
界限 v.(在一定范围内)变动;
变化;
排列
[教材原句] Itwillmakeplantsgrowquicker;
cropswillproducemore;
itwillencourageagreaterrangeofanimals—allofwhichwillmakelifeforhumanbeingsbetter.
它使植物成长更快,庄稼产量更高,还会促进动物种类的增多——所有这些都能改善人类的生活。
(1)awiderangeof 范围广泛的;
各种各样的
within/intherangeof在……范围内
beyondone'
srange某人能力达不到的
(2)rangefrom...to...在……范围内变动
rangebetween...and...在……和……范围内变动
①Thelibraryhas________(range)ofbooksinperfectorder.
②Althoughherdescriptionsoundedwonderful,thepricewas________ourrange,sowedeclined.
③Thehotelhasplentyofrooms________(range)fromsingleroomtopresidentialsuite;
evenwalkinguestsarenottofeeldisappointed.
④(2017·
全国卷Ⅲ)Theteamwillhold________________,includingsometrainingandmatches.
球队将举行各种活动,包括一些训练和比赛。
[答案] ①ranges ②beyond ③ranging ④arangeofactivities
6.comeabout发生;
造成
[教材原句] Sohowhasthiscomeaboutanddoesitmatter?
那么,这是怎么产生的呢?
会产生什么影响吗?
comeon快点;
加油;
得了吧
cometo合计;
达到;
恢复
comeup走近;
上来;
发生;
被提及
comeacross邂逅;
偶遇
comeupwith提出;
想出;
赶上
comeintobeing形成;
产生
用come构成的短语填空
①Whilereadingnovels,Ioften________________somenewwords.
②LiHua________________theideatomakebetteruseofusedmaterials.
③Thecountry________________inthe1900s.
④Theargument________________whentheytalkedabouthowsnakesproducepoison.
[答案] ①comeacross ②cameupwith ③cameintobeing ④cameabout
[技巧点拨] comeabout是不及物动词短语,不能接宾语,没有被动语态和进行时态。
主语一般是物。
7.subscribeto同意;
赞成;
捐助;
订阅(杂志或报纸)
[教材原句] Allscientistssubscribetotheviewthattheincreaseintheearth'
stemperatureisduetotheburningoffossilfuelslikecoal,naturalgasandoiltoproduceenergy.
所有的科学家赞同这种观点:
人们为了取得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。
写出下列句中subscribeto的含义
①Weallsubscribedtowhathehadsaid.____________
②Hesubscribestotheviewthatchildrencanbenefitfrombeingindependent.____________
③Ihavesubscribedtoseveralmagazinesrecently.____________
④Howmuchdidyousubscribetothedisasterfund?
____________
[答案] ①同意 ②赞成 ③订购 ④捐赠
[知识顾问] 短语“subscribe...to...”意为“把……捐赠给……;
把……签署在……上”。
8.resultin导致
[教材原句] Theyalsoagreethatitistheburningofmoreandmorefossilfuelsthathasresultedinthisincreaseincarbondioxide.
他们还赞同下述观点:
正是燃烧越来越多的化石燃料导致了二氧化碳的增加。
resultfrom 由……造成;
因……而产生
asaresult结果
asaresultof由于……的结果
withoutresult没有结果;
白费
①Thenumberofcarsisincreasingveryrapidly,thus________(result)insomesocialproblems.
②Asweallknow,hissuccessresulted________hishardwork.
③Hewascareless.As________result,hefailedintheexam.
④Now,asaresult________aparttimejob,Ineedn'
taskmyparentsformoneyasbefore.
⑤Theysaylargecrowdsoftouriststothezoowillresult________trafficjams.
[答案] ①resulting ②from ③a ④of ⑤in
9.evenif引导让步状语从句
[教材原句] 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,气候仍会持续变暖。
(1)evenif相当于eventhough引导让步状语从句,意为“即使;
①Beopenmindedtodifferentopinions_________________.
尽管你不喜欢不同的观点,对它们也要采取开放的胸怀。
(2)asif/though:
用于引导方式状语从句或表语从句,意为“就像……似的;
似乎;
仿佛”。
用evenif/though,asif/though填空
②Theyweretalking________theyhadseenaghost.
③____________youdon'
tlikethefilm,you'
dbetterseeit.
[答案] ①evenif/eventhoughyoudon'
tlikethem
②asif/though ③Evenif/though
1.____________isnodoubtthattheearthisbecomingwarmerandwarmer.Buthowhasthiscome2.____________anddoesitmatter?
Peoplehavefiercedebatesaboutwhether3.____________ishumanactivitythathascausedthisglobalwarming,comparedwithmostofthenaturalchanges.
ManyscientistslikeDr.JaniceFosterbelievethatpeoplehavecausedtheincreaseintheearth'
stemperatureby4.____________(burn)fossilfuelslikecoal,naturalgasandoiltoproduceenergy,thoughsomeareopposed5.____________thisview.6.____________(quantity)ofbyproductsofthisprocessarecalled“greenhouse”gases,themostimportantoneofwhichiscarbondioxide.Moreheatenergywill7.____________(trap)intheatmosphere8.____________(cause)theglobaltemperaturetogoupiftheincreasedamountofcarbondioxideareproduced.
Ontheotherhand,somescientistspredictthatanywarmingwillbemildwithfewbadenvironmental9.____________(consequent).Anyhow,evenifwestartreducing10.____________amountofcarbondioxideandothergreenhousegases,thecircumstancesaregoingtokeeponwarmingfordecadesorcenturies.
[答案] 1.There 2.about 3.it 4.burning 5.to 6.Quantities 7.betrapped 8.causing 9.consequences 10.the
第二时段 LearningaboutLanguage&
UsingLanguage
1.averageadj.平均的;
普通的;
正(平)常的 n.平均数;
平均水平;
一般水准 v.平均为;
计算出……的平均数
[教材原句] Thegreenhouseeffectgivestheearth'
ssurfacetheaveragetemperatureof15℃.
温室效应使地球表面温度平均增加15℃。
(1)anaverageof 平均数(后跟数词)
(2)onaverage平均起来
above/below(the)average在平均水平以上/以下
upto(the)average达到平均水平
①Susie'
sschoolworkiswell________average.
②Thedoctortreated________averageof20patientsperday.
③__________average,Isp