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课前重点检测Ⅰ.重点词汇1．(vt.)消费；消耗；耗尽；吃完→(n.)消费者2．(n.)图表；坐标图；曲线图3．(adj.)胡乱的；任意的4．(n.)现象→(复数)现象5．(vt.)签署(文件)；捐助(vi.)同意；捐赠；订阅6．(n.)量；数量→(n.)质量consumeconsumergraphrandomphenomenonphenomenasubscribequantityquality7．(vi.)趋向；易于；照顾(vt.)照顾；护理→(n.)趋势8．(n.)资料；数据9．(vt.)反对；反抗；与(某人)较量→(adj.)反对的；对立的10．(adj.)温和的；温柔的；淡的11．(n.)结果；后果；影响→(adv.)因此；所以12．(vt.)陈述；说明→(n.)说明；说法；表白tendtendencydataopposeopposedmildconsequenceconsequentlystatestatement13．(n.)种类；范围14．(vi.)扫视；看一下(n.)一瞥15．(adj.)平稳的；持续的；稳固的→(adv.)平稳地；持续地16．导致17．同意；赞助；订阅18．大量的19．上升；增长；升起rangeglancesteadysteadilyresultinsubscribetoquantitiesofgoup20．往往；倾向于21．持续22．积累；增强23．反对24．发生25．即使tendtokeeponbuildupbeopposedtocomeaboutevenifⅡ.教材原句1．Wedependonenergy(do)manythingsinourdailylives.答案：todo答案2．Makealistofthethingsconsumeenergyinyourhome,school,oranyotherplacesyoucanthinkof.答案：that答案3．Sohasthiscomeaboutanddoesitmatter?答案：how答案4．Thereisnodoubttheearthisbecomingwarmer(seeGraph1)andthatitishumanactivityhascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.答案：that;that答案5．Theproblembeginswhenweaddhuge(quantity)ofextracarbondioxideintotheatmosphere.答案：quantities答案6．Itmeansthatmoreheatenergytendstobetrappedintheatmosphere(cause)theglobaltemperaturetogoup.答案：causing答案7．Theyalsoagreethatitistheburningofmoreandmorefossilfuelsthathasresultedthisincreaseincarbondioxide.答案：in答案8．Ontheotherhand,therearethose,likeGeorgeHambley,areopposedtothisviewandbelievethatweshouldnotworryabouthighlevelsofcarbondioxideintheair.答案：who答案9．Theypredictthatanywarmingwillbemildwithfewbadenvironmental(consequence)．答案：consequences答案10．Itwillmakeplantsgrowquicker;cropswillproducemore;itwillencouragea(great)rangeofanimals—allofwillmakelifeforhumanbeingsbetter.答案：greater;which答案课堂分段精讲[第1段]1．Sohowhasthiscomeaboutanddoesitmatter？(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①Thedriverwouldn'ttellmehowtheaccident.司机就是不告诉我事故是怎样发生的。②youwereanhourlate?你怎么会迟到一小时？③Generallyspeaking,magazinesatstatedperiods.一般来说，杂志定时出版。cameaboutHowdiditcomeaboutthatcomeout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breakout指“(战争、火灾、疾病等)突然发生，爆发”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'llneverunderstandhowitthatyouwerelatethreetimesaweek.我永远不会理解你怎么会一周迟到三次。⑤Aleapyeareveryfouryears.每四年出现一次闰年。cameaboutoccurs【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.Iwonderhowitthatshewastwohourslateonsuchashorttrip.②我偶然遇见了那个正睡在桥下的孩子。Ithechildsleepingunderthebridge.③在激烈讨论之后，我们找到了这个问题的解决方法。Afteraheateddiscussion,wethesolutiontothequestion.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。ItsuddenlymethattherewouldbeabasketballmatchbetweenChinaandSouthKoreathenextevening.答案：①cameabout②cameacross③cameupwith④occurredto答案[第2段]2．Thereisnodoubtthattheearthisbecomingwarmer(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……”。①theSyrianshavesufferedalotfromthewar.毫无疑问，叙利亚人民因为战争而遭受了很多痛苦。②thesecreaturescanunderstandourmeansofcommunication.这些生物能否懂得我们的交流方式值得怀疑。③hecancomeontime.我怀疑他能否按时来。④Hishonestyis.他的诚实毋庸置疑。ThereisnodoubtthatThereissomedoubtwhetherIdoubtwhether/ifbeyonddoubt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：①whethertheywouldgive②withoutdoubt③indoubt答案randomadj.胡乱的；任意的①Theinformationisprocessedinaorder.信息是按随机顺序处理的。②Hetookabookfromtheshelf.他从书架上随便拿了一本书。randomatrandom【即景活用2】单句语法填空①Theterroristsfiredintothecrowdrandom.②Nameswerechosen(random)fromalist.答案：①at②randomly答案[第3段]3．Allscientistssubscribetotheviewthattheincreaseintheearth'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……①Ifyouthenewspaper,it'llbedeliveredtoyourdoor.如果你订阅报纸，它会被送到门口的。②Heanenvironmentalactiongroup.他定期捐钱给一个环保行动组织。③Ihavenevertheviewthatschooldaysarethehappiestdaysofyourlife.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。subscribetosubscribestosubscribedto【即景活用】单句语法填空①Isubscribedamonthlymagazine.②Thenumberofphone(subscribe)increasedlastmonth.答案：①to②subscribers答案4．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。quantityn．数量①insteadofshouldbefocusedonforthesustainabledevelopmentoftheindustry.为了工业的可持续发展，应当关注质而不是量。②foodandtentsweresenttothedisasterarea.大量的食品和帐篷被运到灾区。③bookshavebeenofferedtous.大量的书被提供给我们。④Buyvegetablesforyourimmediateuse.蔬菜不要多买，现买现用。QualityquantityQuantitiesofAlargequantityofinsmallquantities,名师点津(1)aquantityof与quantitiesof后可接不可数名词或可数名