2019-2020学年高中英语 Unit 4 Global warming Section Ⅱ Th

-1-SectionⅡTheLanguagePointsofReading课前重点检测Ⅰ.重点词汇1．consume(vt.)消费；消耗；耗尽；吃完→consumer(n.)消费者2．graph(n.)图表；坐标图；曲线图3．random(adj.)胡乱的；任意的4．phenomenon(n.)现象→phenomena(复数)现象5．subscribe(vt.)签署(文件)；捐助(vi.)同意；捐赠；订阅6．quantity(n.)量；数量→quality(n.)质量7．tend(vi.)趋向；易于；照顾(vt.)照顾；护理→tendency(n.)趋势8．data(n.)资料；数据9．oppose(vt.)反对；反抗；与(某人)较量→opposed(adj.)反对的；对立的10．mild(adj.)温和的；温柔的；淡的11．consequence(n.)结果；后果；影响→consequently(adv.)因此；所以12．state(vt.)陈述；说明→statement(n.)说明；说法；表白13．range(n.)种类；范围14．glance(vi.)扫视；看一下(n.)一瞥15．steady(adj.)平稳的；持续的；稳固的→steadily(adv.)平稳地；持续地16．result_in导致17．subscribe_to同意；赞助；订阅18．quantities_of大量的19．go_up上升；增长；升起20．tend_to往往；倾向于21．keep_on持续22．build_up积累；增强23．be_opposed_to反对24．come_about发生25．even_if即使Ⅱ.教材原句1．Wedependonenergy________(do)manythingsinourdailylives.答案：todo2．Makealistofthethings________consumeenergyinyourhome,school,oranyotherplacesyoucanthinkof.-2-答案：that3．So________hasthiscomeaboutanddoesitmatter?答案：how4．Thereisnodoubt________theearthisbecomingwarmer(seeGraph1)andthatitishumanactivity________hascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.答案：that;that5．Theproblembeginswhenweaddhuge________(quantity)ofextracarbondioxideintotheatmosphere.答案：quantities6．Itmeansthatmoreheatenergytendstobetrappedintheatmosphere________(cause)theglobaltemperaturetogoup.答案：causing7．Theyalsoagreethatitistheburningofmoreandmorefossilfuelsthathasresulted________thisincreaseincarbondioxide.答案：in8．Ontheotherhand,therearethose,likeGeorgeHambley,________areopposedtothisviewandbelievethatweshouldnotworryabouthighlevelsofcarbondioxideintheair.答案：who9．Theypredictthatanywarmingwillbemildwithfewbadenvironmental________(consequence)．答案：consequences10．Itwillmakeplantsgrowquicker;cropswillproducemore;itwillencouragea________(great)rangeofanimals—allof________willmakelifeforhumanbeingsbetter.答案：greater;which课堂分段精讲[第1段]1．Sohowhasthiscome_aboutanddoesitmatter？(教材P26)那么，这种温度的增长是怎么产生的呢？会产生什么影响呢？comeabout发生；造成-3-①Thedriverwouldn'ttellmehowtheaccidentcame_about.司机就是不告诉我事故是怎样发生的。②How_did_it_come_about_thatyouwereanhourlate?你怎么会迟到一小时？③Generallyspeaking,magazinescome_outatstatedperiods.一般来说，杂志定时出版。名师点津comeabout是不及物动词短语，不能用于被动语态中，常指事情不受人控制地突然发生。常用句型：Howdiditcomeaboutthat...？“……是怎么发生的？”；Itcameaboutthat...“……发生了”。辨析：happen,breakout,takeplace,comeabout与occurhappen普通用语。指偶然、意外的，未能预见事情的发生或出现。其后接不定式或用在“Ithappens/happenedthat...”句型中续表breakout指“(战争、火灾、疾病等)突然发生，爆发”-4-takeplace指“按计划、安排做……”；可引申为“进行，举行”comeabout表示“发生，产生”，多指事情已经发生了但还不知道为什么，常用于疑问句和否定句中occur可指“偶然发生”，也指“计划发生某事”；occur还表示“突然想到”，常用于“Itoccurs/occurredtosb.that...”句型中④I'llneverunderstandhowitcame_aboutthatyouwerelatethreetimesaweek.我永远不会理解你怎么会一周迟到三次。⑤Aleapyearoccurseveryfouryears.每四年出现一次闰年。【即景活用】单句写作①已经10点了。我在想那么短的路途她迟到两小时是怎么回事。It'salready10o'clock.Iwonderhowit______________thatshewastwohourslateonsuchashorttrip.②我偶然遇见了那个正睡在桥下的孩子。I________________thechildsleepingunderthebridge.③在激烈讨论之后，我们找到了这个问题的解决方法。Afteraheateddiscussion,we____________________thesolutiontothequestion.④我突然想到第二天晚上将有一场中国队和韩国队的篮球比赛。Itsuddenly________________methattherewouldbeabasketballmatchbetweenChinaandSouthKoreathenextevening.答案：①cameabout②cameacross③cameupwith④occurredto[第2段]2．There_is_no_doubt_thattheearthisbecomingwarmer(seeGraph1)andthatitishumanactivitythathascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.(教材P26)毫无疑问，地球是在转暖(见表1)，全球转暖是人为的，而不是随意的自然现象。Thereisnodoubtthat...毫无疑问……[剖析]此句为主从复合句，名词doubt后面为that引导的两个并列的同位语从句。构成结构：Thereisnodoubtthat...“毫无疑问……”。-5-①There_is_no_doubt_thattheSyrianshavesufferedalotfromthewar.毫无疑问，叙利亚人民因为战争而遭受了很多痛苦。②There_is_some_doubt_whetherthesecreaturescanunderstandourmeansofcommunication.这些生物能否懂得我们的交流方式值得怀疑。③I_doubt_whether/ifhecancomeontime.我怀疑他能否按时来。④Hishonestyisbeyond_doubt.他的诚实毋庸置疑。名师点津及物动词doubt后接名词、代词或宾语从句。在否定句和疑问句中，doubt后面接that引导的宾语从句；在肯定句中，doubt后面一般接whether或if引导的宾语从句。【即景活用1】单句写作①Hehadhisdoubts________________________(他们是否会给)himanotherchancetohaveatry.②Heis________________(毫无疑问)theclevereststudentI'veevertaught.③Theiracceptanceofthecontractisstill____________(不确定)．答案：①whethertheywouldgive②withoutdoubt③indoubtrandomadj.胡乱的；任意的①Theinformationisprocessedinarandomorder.信息是按随机顺序处理的。-6-②Hetookabookat_randomfromtheshelf.他从书架上随便拿了一本书。【即景活用2】单句语法填空①Theterroristsfiredintothecrowd________random.②Nameswerechosen________(random)fromalist.答案：①at②randomly[第3段]3．Allscientistssubscribe_totheviewthattheincreaseintheearth'stemperatureisduetotheburningoffossilfuelslikecoal,naturalgasandoiltoproduceenergy.(教材P26)所有科学家都同意这个观点，即地球温度的升高，是由于人们燃烧像煤、天然气和石油这样的化石燃料来生产能量而引起的。subscribeto同意；赞成；订购；定期捐款给……①Ifyousubscribe_tothenewspaper,it'llbedeliveredtoyourdoor.如果你订阅报纸，它会被送到门口的。②Hesubscribes_toanenvironmentalactiongroup.他定期捐钱给一个环保行动组织。③Ihaveneversubscribed_totheviewthatschooldaysarethehappiestdaysofyourlife.我从未赞同过这样的看法，认为学生时代是一生中最快乐的日子。【即景活用】单句语法填空①Isubscribed________amonthlymagazine.②Thenumberofphone________(subscribe)increasedlastmonth.答案：①to②subscribers4．Theproblembeginswhenweaddhugequantitiesofextracarbondioxideintotheatmosphere.(教材P26)当我们在大气层中增加了大量的额外的二氧化碳的时候，问题就来了。-7-quantityn．数量①Qualityinstead