2024-2025學(xué)年高中英語Unit10MoneyPeriodThreeLesson3YourMoney學(xué)案含解析北師大版必修4

PAGEMoneyPeriodThreeLesson3YourMoneyⅠ.重點單詞1．a(chǎn)pproximatelyadv.近似地，大約地2．removev.移開，挪走3．a(chǎn)ppealvi.吸引，引起愛好；呼吁，請求4．balancen.平衡5．containvt.包含，含有6．valleyn.谷，山谷7．importancen.重要(性)→importantadj.重要的8．economyn.經(jīng)濟→economicadj.經(jīng)濟的，合算的9．puzzlevt.使困惑→puzzledadj.困惑的→puzzlingadj.令人困惑的10．behavevi.舉止，表現(xiàn)→behaviourn.行為，表現(xiàn)11．a(chǎn)dvancevi.取得進(jìn)展；前進(jìn)→advancedadj.先進(jìn)的，高級的12．a(chǎn)musementn.樂趣，消遣活動→amusev.消遣Ⅱ.核心短語1．a(chǎn)ppeal_to吸引2．keep_the_balance_of保持……的平衡3．play_an_important_role_in在……中起重要作用4．deal_with處理5．a(chǎn)gree_with同意；贊同6．have_an_effect_on對……有影響7．start_with以……起先8．tobeexact準(zhǔn)確地說9．makeanoffer出價10．forastart首先，第一11．makealiving謀生12．what'smore而且，更重要的是13．thinktwice一再考慮14．ifso假如這樣的話Ⅲ.經(jīng)典句式1．the＋序數(shù)詞＋形容詞最高級Everyyear,approximately1.6billiontonsofsoilflowsintotheYellowRiver,China'ssecondlongestriver.每年大約有16億噸泥土流進(jìn)黃河——中國的其次長河。2．if省略結(jié)構(gòu)Youmayagreewiththispointofview.Ifso,_itistimeforyoutothinkagain.你可能同意這種觀點。假如是這樣的話，你就該重新思索一下。3．強調(diào)句型Infact,itisyouwhohavethemostimportantroletoplayinstoppingYellowRivererosion.事實上，你才是阻擋黃河水土流失最重要的人。名詞后綴：－ment①amuse→amusementn.樂趣，消遣活動②develop→developmentn.發(fā)展③equip→equipmentn.裝備，配備④move→movementn.運動⑤agree→agreementn.協(xié)議課文預(yù)讀WhenlessismoreWhatcanyoudowith①5yuan?Notalot,youmaythink.Well,ifbuyingabagofcandiesorcookies②doesn'tappeal③toyou,howabout④buyingatreeinstead?Yes,atreealongthebanksoftheYellowRivertobeexact⑤.Everyyear,approximately⑥1.6billiontonsofsoil⑦flowsintotheYellowRiver,China'ssecondlongestriver.Thesoilcontains⑧materialstokeepthenaturalbalance⑨ofthearea.Overtime⑩，alotofsoilhasbeenremoved?，whichhascausedseriouserosion?ofthelandalongtheRiver.InsomeareasinShanxiItisahugejobtocontrolYellowRivererosion.Manypeoplebelievethiskindofworkisbestdonebygovernmentorinternationalorganisations.Youmayagreewith?thispointofview.Ifso,itistimeforyoutothinkagain.①dowith處置，應(yīng)付dowith常與疑問詞what搭配運用，而dealwith則常與how搭配。※Notalot...是省略句，補全后為：Youcannotdoalotwith5yuan,youmaythink.。其中youmaythink為插入語。②cookie/'k?ki/n.餅干，小點心③appeal/?'pi?l/vi.吸引，引起愛好appealto引起……的愛好；向……呼吁④howabout……如何；……怎么樣(＝whatabout)⑤tobeexact準(zhǔn)確地說⑥approximately/?'pr?ks?m?tli/adv.近似地，大約地⑦soil/s??l/n.泥土，土壤⑧contain/k?n'te?n/vt.包含，含有⑨balance/'b?l?ns/n.平衡keep/loseone'sbalance保持/失去平衡⑩overtime長此以往，日積月累?remove/r?'mu?v/vt.移開，挪走?erosion/?'r???n/n.侵蝕；(土壤)流失※which引導(dǎo)非限制性定語從句，which指代整個主句的內(nèi)容。?agreewith同意(某人的觀點)agreewith也可表示“(氣候、食物等)適合”?！鵬fso假如這樣的話，該句的完整形式為ifitisso。積少成多[第1～3段譯文]用5元錢你能做什么？或許你覺得做不了很多。嗯，你假如對買一袋糖果或甜點不感愛好，那(用這錢)買一棵樹如何？是的，準(zhǔn)確地說是要種在黃河岸邊的一棵樹。每年，大約有16億噸泥土流入黃河——中國其次長河。這些泥土中含有保持該地區(qū)自然界平衡的物質(zhì)。長年累月，大量的泥土被沖走，導(dǎo)致黃河兩岸嚴(yán)峻的水土流失。在山西省有些地區(qū)，這種水土流失幾乎毀掉了全部的土地，還迫使當(dāng)?shù)睾芏噢r(nóng)夫遷移到其他地區(qū)。限制黃河水土流失是一項巨大的工程。很多人認(rèn)為這種工作最好由政府或國際組織擔(dān)當(dāng)。你可能會同意這個觀點。若真這樣想的話，現(xiàn)在到了你重新考慮的時候了。Infact,itisyouwhohavethemostimportantroletoplayin?stoppingYellowRivererosion.Didyouknowtheimportance?ofyour5yuan?Forastart?，itcanbuyyouatree,whichwillhelpmakesoilstayontheland.Onlandwithrichsoil,localfarmerscangrowcrops?tomakealiving?.Withthemoneytheyearnfromtheircrops,farmersbuygoodsorservices.Thishelpstodeveloplocaleconomies?.?playthe/a...rolein在……中擔(dān)當(dāng)……角色；在……中起……作用※itisyouwho...是強調(diào)句型，強調(diào)主語you。其中toplay是動詞不定式作定語，修飾role。?importance/?m'p??tns/n.重要(性)importantadj.重要的?forastart首先?crop/kr?p/n.農(nóng)作物，莊稼?makealiving謀生(＝earnaliving)※本句為定語從句，修飾themoney。?economy/?'k?n?m?/n.經(jīng)濟[第4～5段譯文]事實上，你才是阻擋黃河水土流失最重要的人。你知道你的5元錢的重要性嗎？首先，你可以用它買一棵樹，而這棵樹可以使泥土不流失。在肥沃的土地上，當(dāng)?shù)剞r(nóng)夫可以種莊稼謀生。農(nóng)夫會用他們種莊稼賺到的錢購買所需物品或服務(wù)。這有助于發(fā)展當(dāng)?shù)亟?jīng)濟。還是不理解你的5元錢怎么會有如此大的作用嗎？那么，看看下面的事實吧。自1997年起，一項植樹支配已使內(nèi)蒙古九城宮流域變成了綠色家園?，F(xiàn)在世界各地的游客來到這里觀賞這一宏大成就。而且，這個項目的成功已經(jīng)大大改善了當(dāng)?shù)鼐用竦纳?。試想一下：這一切就始于5元錢！所以，下次當(dāng)你口袋里有5元錢時，細(xì)致想想該怎么花。記住，你可以用它買一棵樹，為我們的祖國、人民以及你自己創(chuàng)建綠色的將來。課文理解TaskOne：FastreadingⅠ.Thetextmainlytellsusthatless_money_can_help_control_Yellow_River_erosion.Ⅱ.Skimthetextandmatchthetopicswitheachparagraph.Para.1importanceofyour5yuan.Para.2B．EverybodyplaysanimportantroleinstoppingYellowRivererosion.Para.3C．ItisahugejobtocontrolYellowRivererosion.Para.4D．IttellsusthecauseofYellowRivererosionandbadeffects.Para.5E．Whatcanyoudowith5yuan?答案：Para.1—EPara.2—DPara.3—CPara.4—BPara.5—AⅢ.Judgethefollowingstatementstrue(T)orfalse(F)．1．Withthemoneyofsellingtrees,farmerscanbuygoodsorservices.(F)2．Plantingmoretreesincreasestheriskofsoilerosionandmakessoilstayontheland.(F)3．Fiveyuancanhelptodevelopalocaleconomy.(T)4．JiuchengongValleyhasbeenchangedintoagreenhomeland.(T)5．SomefarmersofShanxiProvincehavetomovetheirhomesbecausetheirlandalreadyhasbeendestroyedbyerosion.(T)TaskTwo：CarefulreadingReadthetextcarefullyandthenchoosethebestanswersaccordingtothetext.1．Everyyear,howmanytonsofsoilflowsintotheYellowRiver?A．About1.6billion.B．1.6billion.C．Morethan1.6billion. D．Lessthan1.6billion.答案：A2．WhyisthereseriouserosionofthelandalongtheRiver?A．Becausethesoilissoft.B．Becausealotofsoilhasbeenremoved.C．Becausethesoilispoor.D．Becausethesoilisrich.答案：B3．Whoplay(s)themostimportantroleinstoppingYellowRivererosion?A．Thegovernment.B．Theinternationalorganisations.C．Everyone.D．TheRiveritself.答案：C4．Whatcanyouuse5yuantodofirst?A．Giveittothecharity.B．Giveittothelocalpeople.C．Giveittothegovernment.D．Buyatree.答案：D5．WhatchangedtheJiuchengongValleyinInnerMongoliaintoagreenhomeland?A．Atree－plantingprogramme.B．Thepeoplethere.C．Thegovernmentthere.D．Theinternationalorganisations.答案：ATaskThree：MicrowritingReadthetextcarefullyandfillinthefollowingblanks.WhenlessismoreWhatcanyoudowith5yuan?If__1__(buy)abagofcandiesorcookiesdoesn'tappealtoyou,youcanbuyatreealongthebanksoftheYellowRiver.Everyyear,__2__(approximate)1.6billiontonsofsoilflowsintotheYellowRiver.Thesoilcontainsmaterialstokeepthe__3__(nature)balanceofthearea.Overtime,alotofsoil__4__(remove),whichhascausedseriouserosion.InsomeareasinShanxiProvince,thishasdestroyedalmostalltheland,andhasforcedmanylocalfarmers__Infact,youhavethemostimportantroletoplayin__6__(stop)YellowRivererosion.Forastart,youcanuse5yuantobuyatree,__7__willhelpmakesoilstayontheland.Onlandwithrichsoil,localfarmerscangrowcropstomake__8__living.Withthemoneytheyearnfromtheircrops,farmersbuygoodsorservices.Thishelpstodeveloplocaleconomies.Ifyouarestill__9__(puzzle)howyour5yuancanhavesomucheffect,justtakealookatthefactbelow.Since1997,atree－plantingprogrammehaschangedtheJiuchengongValleyinInnerMongoliaintoagreenhomeland.Visitorsfromallovertheworldnowcometoadmirethisgreat__10__(achieve).Whatismore,thesuccessoftheprogrammehasgreatlyimprovedthelivesofthelocalpeople.1．buying2.approximately3.natural4.has_been_removed5．to_move6.stopping7.which8.a9.puzzled10．a(chǎn)chievement1eq\a\vs4\al(amusementn.樂趣；消遣活動)(教材P12)gamesinamusementparks游樂場里的嬉戲(1)toone'samusement讓某人覺得好笑的是(2)amusevt.逗笑；逗樂amuseoneself自娛自樂(3)amusedadj.被逗樂的；開心的(4)amusingadj.逗笑的；好玩的[即學(xué)即用](1)Tom'sjokeswereasourceofendlessamusementtous.湯姆的笑話給我們帶來了無盡的樂趣。(2)Wecanfindsomethingtoamuseourselvesuntilyougethere.你到這里之前，我們可以找些東西自娛自樂。(3)單句語法填空①Couldyoujustkeepthemamused(amuse)whileIdotheshopping?②Tobehonest,Idon'tfindhisjokesamusing(amuse)atall.③Toouramusement(amuse),heturnedupforworkinastrawhat.2appealvi.吸引，引起愛好；呼吁，請求n.感染力；呼吁；上訴(教材P12)Well,ifbuyingabagofcandiesorcookiesdoesn'tappealtoyou,howaboutbuyingatreeinstead?那么，假如你對買包糖果或甜點不感愛好的話，買棵樹怎么樣？(1)appealtosb.吸引某人，使某人喜愛appealtosb.forsth.為某事向某人呼吁、請求appealtosb.todosth.呼吁/請求某人做某事(2)appealn.吸引，吸引力；呼吁；上訴haveanappealforsb.……對某人有吸引力、魅力makeanappealtosb.forsth.為某事向某人請求、要求(3)appealingadj.有吸引力的；有感染力的；令人感愛好的[即學(xué)即用](1)Themilitaryparademarkingthe70thanniversaryofChina'svictoryinWorldWarⅡappealedtothewholeworld'sattention.慶祝中國抗戰(zhàn)成功70周年的閱兵吸引了全世界的關(guān)注。(2)Thevolunteersappealtothepublictosavewater.這些志愿者呼吁公眾節(jié)約用水。(3)Theboymadeanappealtohisteacherforhelp.這個男孩請求老師幫忙。(4)單句語法填空①Heappealedtohisfriendsforsupport.②TheChinesegovernmentappealtopeopleto_donate(donate)moneyforthefloodareas.③Iaskedmymomforanewbikeinanappealing(appeal)tonebutsherefused.3eq\a\vs4\al(containv.包含，含有；容納；限制，抑制感情)(教材P12)Thesoilcontainsmaterialstokeepthenaturalbalanceofthearea.這些泥土中含有保持該地區(qū)自然界平衡的物質(zhì)。containoneself限制自己[即學(xué)即用](1)Itcontained￡400innotes,withanother￡50insparechangebesideit.里面裝有四百英鎊的紙鈔，還有另外五十英鎊的零錢在它旁邊。(2)Theroomistoosmallto_contain_so_many_people.房間太小容納不了那么多人。(3)Nice－tastingfruitscontainingvitaminCsellwell,includingoranges,pineapplesandsoon.含有維生素C的好吃的水果銷量很好，包括橘子、菠蘿等。(4)Hewassoexcitedthathecouldhardlycontain_himself.他太激烈了，幾乎無法克制自己。[辨析比較]contain,include兩者都有“包含”之意。contain通常用來指某種容器中盛有某物、裝有某物；還指某種物質(zhì)中含有某成分或含有其他物質(zhì)。include側(cè)重“范圍”，用來表示所含之物中的一部分。常見形式有：includingsb./sth.或sb./sth.included。(5)Hernewbookcontainstenchapters.她的新書共有十章。(6)ManypeopleenjoyplayingtabletennisinChina,including_me/me_included.在中國很多人喜愛打乒乓球，包括我在內(nèi)。4eq\a\vs4\al(balancen.平衡v.權(quán)衡)(教材P12)Thesoilcontainsmaterialstokeepthenaturalbalanceofthearea.這些泥土中含有保持該地區(qū)自然界平衡的物質(zhì)。(1)keepthebalanceofnature保持自然界的平衡outofbalance失去平衡lose/keepone'sbalance失去/保持平衡onbalance總的來說(2)balancesth.againststh.比較(兩個相對的事物)；權(quán)衡重要性(3)balancedadj.平衡的abalanceddiet/meal膳食平衡[即學(xué)即用](1)Weshouldtrytodosomethingtokeepthebalanceofnature.我們應(yīng)當(dāng)盡量做些什么來保持自然平衡。(2)Youhavetobalancetheadvantagesoflivinginabigcityagainstthedisadvantages.你必需權(quán)衡住在大城市的利與弊。(3)Youmustlearntokeep_your_balanceinskating.在溜冰時你得學(xué)會保持平衡。(4)A_balanced_dietcontainslotsoffruitandvegetables.平衡的飲食包括大量的水果和蔬菜。(5)Shecycledroundthecorner,lost_her_balanceandfelloff.她騎車拐彎時失去平衡，摔了下來。5puzzlevt.使迷惑；使感到迷惑；使困惑n.嬉戲的猜謎；難題；謎(教材P12)Stillpuzzledhowyour5yuancanhavesomucheffect?還是不理解你的5元錢怎么會有如此大的作用嗎？(1)puzzleover/about...苦苦思索……puzzleout苦思冥想(2)puzzlingadj.令人困惑的；使人感到困惑的(3)puzzledadj.困惑的；感到困惑的bepuzzledabout...對……感到困惑(4)puzzlementn.困惑；迷惑inpuzzlement困惑地[即學(xué)即用](1)Whatpuzzledmewaswhyshemadenoresponsetomyemail.令我感到困惑的是，她為什么沒有回復(fù)我的郵件。(2)Ihavebeenpuzzlingoverthisquestionforweeksnow.我對這個問題已冥思苦想好幾個星期了。(3)Scientistsarepuzzledastowhythewhalehadswumtotheshore.科學(xué)家們感到不解：為什么這只鯨會游到海岸上來。(4)單句語法填空①Sheseemedtobepuzzlingabout/overwhothecallermightbe.②Itisapuzzling(puzzle)problemformostofus.③Shewasstaringathercomputerwithapuzzled(puzzle)expression.④Hermotherwasstandingnearherinpuzzlement(puzzle)．6eq\a\vs4\al(behavevi.舉止，表現(xiàn)vt.表現(xiàn)得體，有禮貌)(教材P13)Atthattime,womenwereexpectedtostayathome,takecareoftheirhusbandsandchildren,andbehavelikeladies.那時，人們希望婦女們待在家里，照看她們的丈夫和孩子，并且行為舉止要有女人樣。(1)behavewell/badly(to/towards)對……表現(xiàn)好/差；對某人好/差behaveoneself規(guī)則點，有禮貌(2)behaviourn.舉止；行為[即學(xué)即用](1)Hetoldhispupilstobehavewellandnottochatwhilelisteningtoalecture.他告知學(xué)生們要舉止得體，聽講座時切勿閑聊。(2)Behaveyourselfinpublicandyouwillwintherespectofmostofus.你在公眾場合舉止得體才能贏得我們大多數(shù)人的敬重。(3)Ithinkallofusshouldmindourbehaviourinpublicplaces.我認(rèn)為我們都應(yīng)當(dāng)在公共場合留意自己的行為舉止。(4)單句語法填空①Hebehavedwelltowards/tohiswifeandtheylivedahappylife.②Ifparentsdonotteachtheirchildhowtobehavehimself(he),hewilldoanythingatwill.③Parentsworryabouttheeffectofmusicontheiradolescents'behaviour(behave)．7eq\a\vs4\al(advancevi.&vt.前進(jìn)；取得進(jìn)展，改進(jìn)；提升，晉級)(教材P13)Theyweredeterminedtotaketheopportunitytoadvanceacrosstheriver.他們確定抓住這個機會向河對岸前進(jìn)。(1)advancen．前進(jìn)，提升inadvance在前頭；預(yù)先；事先inadvanceof在……前面；比……進(jìn)步；超過(2)advancedadj.先進(jìn)的，高級的advancedEnglish/maths高級英語/高等數(shù)學(xué)[即學(xué)即用](1)Heworkedsowellthathisbossadvancedhimtoahigherposition.他工作表現(xiàn)特別好，所以上司將他提升。(2)It'snecessarythatyoubooktheticketsforthemeetinginadvance.提前預(yù)訂參與會議的飛機票很有必要。(3)ThePLAmenareadvancing_towards/tothefronttofighttheflood.解放軍正在向抗洪前線前進(jìn)。(4)Galileo'sideaswerewellin_advance_oftheageinwhichhelived.伽利略的思想遠(yuǎn)遠(yuǎn)超越了他所處的時代。eq\o(\s\up7(8),\s\do5())removev.移開，挪走；調(diào)動；脫掉；去掉，消退；使離去(教材P12)Overtime,alotofsoilhasbeenremoved,whichhascausedseriouserosionofthelandalongtheRiver.經(jīng)年累月，大量的泥土被沖走，導(dǎo)致黃河兩岸嚴(yán)峻的水土流失。removedoubts消退懷疑removesth.from...移開；拿走；從……機構(gòu)開除[辨析比較]move,remove二者作“移動”講時，可以互換。move應(yīng)用范圍很廣，其中主要意思是“從一處移到另一處”。remove意為“拿開，移動，消退”，強調(diào)離開原來的、正常的地方或職位等，做一種新的、有時是短暫的支配或變更。該詞還含有把不利的東西“取消”的意思。[即學(xué)即用](1)Heremovedhisdesktoanotheroffice.他把桌子移到了另一間辦公室。(2)Removeanoldtreeanditwilldie.老樹移栽要枯死。(3)Threechildrenwere_removed_fromschoolforpersistentbadbehaviour(s)．三個孩子因持續(xù)行為不檢被學(xué)校開除。(4)Thenewsremoved_all_doubtsaboutthecompany'sfuture.這個消息消退了一切有關(guān)公司將來的疑慮。(5)Hewas_removed_fromhispositionaschairman.他被撤去主席的職務(wù)。1eq\a\vs4\al(dowith處理；對待；與……相處)(教材P12)Whatcanyoudowith5yuan?用5元錢你能做什么？dowithout沒有……也行；免除havesth./nothingtodowith與……有關(guān)/無關(guān)makedowith湊合用doawaywith移除；廢除[辨析比較]dealwith,dowith兩者都有“處理，應(yīng)對”的意思dealwith常與連接(或疑問)副詞how連用。dowith常與連接代詞what連用。[即學(xué)即用](1)IhavenoideahowIshoulddealwiththisoldcomputer.＝IhavenoideawhatIshoulddowiththisoldcomputer.我不知道應(yīng)當(dāng)怎樣處理這臺舊電腦。(2)Noonecando_withoutsleepforverylong.誰也不能長時間不睡覺。(3)Thenewteacherdidn'tknowwhattodowiththeclass.那位新老師不知應(yīng)當(dāng)如何對待那個班的學(xué)生。2eq\a\vs4\al(tobeexact準(zhǔn)確地說)(教材P12)Yes，atreealongthebanksoftheYellowRivertobeexact.準(zhǔn)確地說，一棵要種在黃河岸邊的樹。(1)tobeexact為不定式的獨立成分，在句中作插入語，意為“精確地說”(2)tobehonest＝honestlyspeaking醇厚說tobefrank＝franklyspeaking坦白說totellyouthetruth醇厚告知你tobegin/startwith首先[即學(xué)即用](1)It'sseveno'clocknow.Tobemoreexact,it'sseventhree.現(xiàn)在是7點，更精確地說是7點3分。(2)To_be_frank/Frankly_speaking,_Idon'tquiteagreewithyou.坦白地講，我不太同意你的看法。(3)To_be_honest/Honestly_speaking,_ittookmemorethanamonthtoadjustmyselftothenewschoollife.醇厚說，我花了一個多月時間才適應(yīng)新學(xué)校的生活。3agreewith同意某人的看法，觀點，看法等，贊成；與……一樣；食物，天氣等對……相宜(教材P12)Youmayagreewiththispointofview.你可能會同意這種觀點。[辨析比較]agreewith,agreeto,agreeon[即學(xué)即用](1)Idon'tagreewithyoualtogetheraboutthetwopoemsintheletter.對于信中的兩首詩，我和你的看法全然不同。(2)寫出下列句中agreewith的含義①Iheartily(由衷地)agreewithherfavourablecommentsonGermanyandFrance.同意②I'mafraidhotfoodoroilyfooddoesnotagreewithus.對……相宜③Ifindhisexplanationagreeswiththefacts.與……一樣1eq\a\vs4\al(教材P12Ifso，itistimeforyoutothinkagain.,若真這樣的話，現(xiàn)在到了你重新考慮的時候了。)ifso...“假如這樣”。ifso是省略句式，在句中作條件狀語，完整句式應(yīng)為：ifitisso。常見的if...省略結(jié)構(gòu)有：eq\b\lc\{\rc\(\a\vs4\al\co1(if＋so：假如這樣的話,if＋not：可視為一個否定的條件狀語從句的省略形式,if＋ever：通常與seldom，rarely等連用，表示“極少”,“難得”,if＋代詞：ifanyone，ifany，ifanything等,if＋形容詞：ifnecessary假如須要的話，ifpossible,假如可能的話,if＋過去分詞：if與分詞之間省略了主語和be，即狀,語從句的省略))[即學(xué)即用](1)Doyoulovelife?Ifso,don'twastetime,becauselifeconsistsoftime.你酷愛生命嗎？假如是，就別奢侈時間，因為生命是由時間組成的。(2)Imightseeyoutomorrow.If_not,_it'llbeSaturday.我可能明天去看你。假如不是明天，那就是周六。(3)Theclimatehereisquitepleasant,thetemperaturerarely,if_ever,_reaching30℃insummer.這里的氣候特別宜人，在夏天溫度即使有也很少達(dá)到30℃。(4)If_(it_is)_possible,_handinyourpapersthismorning.假如可能的話，請于今日早上把你們的論文交上。(5)I'vebeentoldthatTomoftensleepsintheclass.If_so,_hewillfailintheexam.有人告知我湯姆常常上課睡覺，假如真這樣的話，他就會考試不及格。2(教材P12)Infact,itisyouwhohavethemostimportantroletoplayinstoppingYellowRivererosion.事實上，你才是阻擋黃河水土流失的最重要的人物。此句為強調(diào)句。句中的you是被強調(diào)部分。去掉itis和who之后，剩余部分仍舊是一個結(jié)構(gòu)完整的句子。(1)強調(diào)句的基本結(jié)構(gòu)：陳述句：Itis/was＋被強調(diào)部分＋that/who＋其余部分。一般疑問句：Is/Wasit＋被強調(diào)部分＋that/who＋其余部分？特別疑問句：特別疑問詞＋is/wasit＋that/who＋其余部分？(2)強調(diào)not...until結(jié)構(gòu)中由until短語(或從句)表示的時間狀語：Itis(was)notuntil...that...(留意此時原句的not...until要變成notuntil,that從句中的謂語動詞要用確定式)。[即學(xué)即用](1)ItwasLiNawhowonthefirstplaceinthe2011FrenchOpen.李娜在2011法網(wǎng)賽上獲得了第一名。(2)Wasi