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-1-SectionⅢGrammar——it的用法(一)课前语法感知Ⅰ.教材语法感知教材原句①ItseemsamazingthatatmyageIamstillfitenoughtocycle20kilometersinanafternoon.②It'smybirthdayintwoweeks'timeandI'llbe82yearsold!③Yourmothertellsmethatyoustartedsmokingsometimeagoandnowyouarefindingitdifficulttogiveitup.④Iknowhoweasyitistobeginsmokingandhowtoughitistostop.⑤Gethelpifyouneedit!探究发现(1)it用法广泛，可以是代词，用来表示时间、天气、距离等，如例句②中it指时间，例句③中的第二个it指代smoking，例句⑤中it指代help。(2)it可以作形式主语或宾语，如例句①中it作形式主语，真正的主语是后边的that从句。例句③中第一个it作形式宾语，真正的宾语是后边的动词不定式。例句④中的两个it都作形式主语。Ⅱ.真题语法感知1．(2018·浙江高考)ManywesternerswhocometoChinacookmuchlessthanintheirowncountriesoncetheyrealizehowcheap________canbetoeatout.答案：it2．(2018·江苏高考)Well,________isreallygreattobebackatuniversityagain.答案：it3．(2017·全国卷Ⅰ)Ithenmade________apointtoattendthosemeetingsandlearnallIcould.答案：it4．(2015·北京高考)Oncethedamageisdone,__________willtakemanyyearsforthefarmlandtorecover.答案：it5．(2015·浙江高考)Closetotheschooltherewasabeautifulparkwithmanytreesaround________.答案：it课堂合作探究-2-名师点津(1)it还可在答语中代替指示代词this和that。—Whosedictionaryisthat?—It'smine.——那是谁的词典？——我的。(2)it用于某些表示喜怒哀乐的动词(如like,enjoy,love,prefer,hate,appreciate等)后作形式宾语，真正的宾语常为when,that和if等引导的从句。-3-Ihateitwhenpeopletalkwiththeirmouthsfulloffood.我讨厌人们满口食物说话。【即景活用】(1)单句语法填空①Someoneisknockingatthedoor.Whomight________be?②Whatalongway________isfromBeijingtoLondon!③________wasnearlymidnightwhenshecameback.④Hewasbadlyhurt,and________madehismotherworryalot.⑤________isimpolitetotalkloudlyinpublicplaces.⑥Ibelieveitnouse________(read)withoutunderstanding.答案：①it②it③It④it⑤It⑥reading(2)单句写作①吸收过多的脂肪和糖没有好处。________________takingintoomuchfatandsugar.②吸烟会引起癌症是一个人尽皆知的事实。It'sawell－knownfact__________________________.③结果表明情况很严峻。________________thatthesituationwasquiteserious.④我发现让人们笑比让他们哭更难。I______________________tomakepeoplelaughthantomakethemcry.⑤我们都想当然地认为米勒能成功。Weall______________thatMilercouldsucceed.⑥如果你及时打回来电话我会很感激的。Iwould______________ifyoucouldcallbackintime.答案：①It'snogood②thatsmokingcancausecancer③Itturnedout④finditmoredifficult⑤tookitforgranted⑥appreciateit课后演练提能[基础题]Ⅰ.单句语法填空1．Tom'smotherkepttellinghimthatheshouldworkhard,but________didn'thelp.答案：it2．Theyaregoodfriends.________isnowonderthattheyknoweachothersowell.-4-答案：It3．________was4o'clockandthemailstillhadn'tcome.答案：It4．Thefiremade________difficulttorescuethepeopletrappedundertheruinsintheearthquake.答案：it5．TheParkersboughtanewhousebut________willneedalotofworkbeforetheycanmovein.答案：itⅡ.单句改错1．—Who'sthatatthedoor?—Thisisthemilkman.________________________________________________________答案：This→It2．Allthestudentsfindpleasanttostudyinthisschool.________________________________________________________答案：find后加it3．Whatissaidthatwisdomisbornwithaperson.________________________________________________________答案：What→It或said后加is4．Thetrainhasalreadyarrived,itarrivedaboutanhourago.________________________________________________________答案：it→which或it前加and5．Langlangsaidhedidn'tlovethatwhenhismotheraskedhimtoplaythepianoalldaylong.________________________________________________________答案：that→itⅢ.单句写作1．我的建议是你马上戒烟。______________suggestionthatyouquitsmokingatonce.答案：Itismy2．她突然想起来，钥匙忘在公交上了。______________occurredtoherthatshehadleftherkeysonthebus.答案：Itsuddenly-5-3．只要你方便随时过来看我。Comeandseemewhenever______________toyou.答案：itisconvenient4．光说不做没什么好处。________________talkingwithoutdoinganything.答案：It'snogood5．从这里到雄安有多远？________________fromheretoXiong'an?答案：Howfarisit[能力题]Ⅰ.阅读理解AAnxietyhasnowsurpasseddepressionasthemostcommonmentalhealthdiseaseamongcollegestudents,thoughdepression,too,isontherise.Morethanhalfofstudentsvisitingcampusclinicsciteanxietyasahealthconcern,accordingtoarecentstudyofmorethan100,000studentsnationwidebytheCenterforCollegiateMentalHealthatPennState.Thecausesrangewidely,expertssay,frommountingacademicpressureatearlieragestooverprotectiveparentstoengagementwithsocialmedia.Anxietyhasalwaysplayedaroleinthedevelopmentofastudent'slife,butnowmorestudentsexperienceanxietysoacutethattheyareseekingprofessionalhelp.Anxietyhasbecomeacharacteristicofthecurrentgenerationofcollegestudents,saidDanJones,thedirectorofCounselingandPsychologicalServicesatAppalachianStateUniversityinBoone,NC.Becauseofincreasingpressuresduringhighschool,heandotherexpertssay,studentsarriveatcollegepreloadedwithstress.Accustomedtoextremeparentaloversight,manyseemunabletogovernthemselves.Andwithparentssoaccessible,studentshavehadlessincentivetodeveloplifeskills.“Theycan'ttoleratediscomfortorhavingtostruggle，”DrJonessaid.Moreoften,anxietyismildandtemporary,theindicationofastudentunderthecontrolofanormaldevelopmentalissue—learningtimemanagement,forexample,orhowtohandlerejectionfromasorority(女生联谊会).Mildanxietyisoftentreatablewithearly,modestinterventions.Buttocareforrisingnumbersofseverelytroubledstudents,manycounselingcentershavemovedtotriageprotocols(分诊措施).Thatmeansthatstudentswithlessurgentneedsmaywaitseveralweeksfortheirfirst-6-appointments.篇章导读：本文是一篇说明文，主要介绍了焦虑已成为大学生最常见的心理健康问题，同时介绍了针对此问题的解决方法。1．Whichofthefollowingcontributestoanxietyaccordingtothepassage?A．Overprotectionfromp