高二英语unit 2知识讲解新人教版选修7.docx
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高二英语unit 2知识讲解新人教版选修7.docx
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高二英语unit2知识讲解新人教版选修7
人教版课程标准实验教材(英语选修7第2单元)知识讲解
第二单元
1. appear
(1)意为“出现,呈现”,不及物动词,无被动态,其反义词为disappear不及物动词,无被动态
Itappearstobe/that/asif…和appear+介词短语
Arainbowappearedintheskyaftertherain.Weexpectedhimtocomeatsevenbuthedidn’tappearuntileight.
Hernewbookwillappearinthebookshopsverysoon.HesaidIwouldneverappearontheair.Heappearedill.
Heappeared(tobe)willingtogowithme.Heappearedtohaveseenthefilm.Itappearedtomethatyouareright.
(2)意为“似乎,好像,显得”不用于进行时。
Youdon’tappeartocaremuchformusic.
Sheappears(tobe)anhonestgirl.ItappearsasiftheyhavelostinterestinEnglish.
appear,look,与seem的异同:
(1)appear指根据事物的表面现象而作出的判断,暗含事实上并非如此之意。
(2)look指凭视觉印象而作出的判断,实际上也可能如此。
Helookedasifhewasworryingaboutsomething.(正)
(3)seem是指暗含有一定根据的,往往接近事实的判断,强调内心的感受。
Hishealthseemstobebetter.
它们之后都可以接名词、形容词、tobe不定式等结构,通常可以互换,但下列情况下不可互换。
①look,seem之后可接like短语,而appear不能。
look可用于进行时态而appear,seem不能,look,seem之后可接asif(though)引导的从句,而appear不能。
②appear,seem之后可接that从句,而look不能。
Itseemed(appeared)that/asifhewasill.
appear,seem之后可接实义动词的不定式,而look不能。
appear,seem可用于therebe结构中而look不能。
Thegreenleavesappeared/looked/seemed(tobe)morebeautifulaftertherain.
Itseems/lookslikeyearssinceIlastmetyou.Sheislookingquiteadifferentpersonnow.
Itseems/looksasifheknewnothingabouthisnewfriend.Itappears/seemsthatwehavemissedourchance.
Sheappears/seemstohavemissedthethirdactoftheplay.Thereappears/seemstobeamistakeinthesefigures.
Doletyourmotherknowthetruth.Sheappears_everything.AtotellBtobetoldCtobetellingDtohavebeentold
2certain
(1)作前置定语,意为“某个,某些”Therearecertainreasonswhythisinformationcan’tbemadepublic.
Drinkingisforbiddenincertaincountries.AcertainMsJonesphonedyoutoday.ImetMr.Zhangatacertainplace.
(2)意为“确定的,有把握的”用法相当于sure一般可互换。
但在Itiscertainthat句型中只能用certain
besureofsthI’msureofthevictory.
surebesuretodosthWearesuretowinthematch.
besurethatI’msurethathecancomeontime.
3experiment
(1)n“试验,实验”常用词组:
make/perform/carryout/conductanexperiment进行试验/实验
Ithasbeenprovedbyexperimentthattheatomcanbedividedagain.Welearnedthetruthbyexperiment.
(2)viexperimentwith测试,尝试Theteacherexperimentedwithanewteachingmethod.
Theyexperimentedwithnewmaterialsexperimenton用…做实验
Theresearchersexperimentonrats.Manypeopledisapproveofexperimentingonanimals.
4absent
(1)缺席的,不在场的(+from)beabsentfromschool/ameeting/work不上学/不到会/缺勤
Threemembersoftheclasswereabsentthismorning.
Heisabsentonbusiness.他因事缺席。
HeisabsentfromHongKong.他不在香港。
(2)不在意的,漫不经心的,心不在焉的anabsentexpression/look茫然的表情/样子anabsentlookonhisface
Helookedatmeinanabsentway.他茫然地望着我。
Hehadanabsentlookonhisface.他脸上露出心不在焉的神色。
absence(n)absenceofmind心不在焉的inone’sabsence=intheabsenceofsb在背地里,在某人不在时
Heoftenspeaksill/poorlyofyouinyourabsence.Intheabsenceofthemanager,Ishallbeincharge.
Behaveyourselfduringmyabsence.我不在时,你规矩点。
Isoonnoticedhisabsencefromschool.
(3)缺少的,不存在的Snowisabsentinhiscountry.他的国家不下雪。
(4)vt.不在;缺席Whydidyouabsentyourselffromschoolyesterday?
昨天你为何不到校?
absent的反义词是present出席的,在场的Howmanypeoplewerepresentatthemeeting?
到会的有多少人?
5persuade说服(成功地说服了某人做某事)如果表示说而不服用trytopersuadesbtodosth或advisesbtodosth
常见用法persuadesbtodosthpersuadesbintodoingsthpersuadesbthat-clausepersuadesboutofdoingsth
(1.)说服,劝服(+into/outof)/(+sbtodosth.)Shepersuadedmeintobuyingit.她说服我买下了它。
Thesalesmanpersuadedustobuyhisproduct.那个推销员说服了我们买他的产品。
Hepersuadedhertogotoschool,eventhoughshedidnotwantto.即使她不想去上学,他还是说服她去。
Hepersuadedhertogo/intogoingwithhim.Ipersuadedhimoutofsmoking.
ShepersuadedherfathertochangehismindHepersuadedmethatdeathdoesnotendall.死不能使一切结束
ManytimesItriedtopersuadehimtotakethejob,butIfailed.
Iadvisedhimtodoitbuthewouldn’t.=Itriedtopersuadehimtodoitbuthewouldn’t.
(2).使某人相信(+of)/(+that)HowcanIpersuadeyouofmysincerity?
我怎样才能使你相信我的诚意呢?
Weworkedhardtopersuadethemthatweweregenuinelyinterestedintheproject.
我们想尽办法以使他们相信我们确实对这一计划感兴趣。
6embarrass(v)“使(某人)觉得不自在、尴尬或害羞”Areyoutryingtoembarrassme?
Iwasembarrassedbyhiscommentsaboutmyclothes.他评价我的衣服使我难堪。
Idon’tlikemakingspeechesinpublic;foritisembarrassing.我不喜欢在公众面前讲话,太难为情了。
embarrassment(n)尴尬embarrassing(adj)令人尴尬/局促不安/为难的embarrassed(adj)觉得不好意思的,发窘的
Hefelt_______________byhislackofmoneywhenhisfriendaskedhimforhelp.
7Itwasdisturbingandfrighteningthathelookedsohuman.主语从句it为形式主语
Itwasclearthattheyhadnodesireforpeace.ItseemsthatLaoWu’sideaismorepractical.
IthappenedthatIwasn’ttherethatday.类似用法:
(1) It’sapity/ashame/goodnews/anhonor/agoodthingthat…
(2) It’sstrange/natural/surprising/true/funny/wonderful/likely/possible/probable…that….
(3) Itseems/happened/suddenlystruckmethat…
(4) Itwassaid/reported/announced/expected/arrangedthat…
(5) Itisdoubtful/notdecided/notmadeclear/tobedecided/aquestion+连接代词或连接副词引导的从句。
(6)
Itdoesn’tmatter/doesn’tmaketoomuchdifference+连接代词或连接副词引导的从句。
7want
(1)v“要,想要,希望”want(sb)todosth
want+n/pron
常见用法want+ing形式的主动式,不定式的被动式。
(同need,require)
wantsb/sth+过去分词
Theywantabiggerflat.Wedon’twantyoutogetintotrouble.ShewantstogotoItaly.
Iwantit(tobe)doneasquicklyaspossible.Idon’twantthechildrentakenoutinsuchweather.
Theplantswantwateringeveryday.=Theplantswanttobewateredeveryday.
(2)欲望,需要Heisamanoffewwants.Thisbookmeetsalong-feltwant.这本书满足了盼望已久的需要。
Thishouseisinwantofrepair.这所房子该修了。
8elegant高雅的,优雅的anelegantwoman高雅的女士elegantmanners优美的举止
anelegantpieceoffurniture反义词:
inelegantelegance(n)elegantly(adv)
9reachfor伸手触到,抓到Hereachedforhisgun.Ireachedacrossthetableforthejam.伸手到桌子那端去拿…reachout(tosb/sth)帮忙Wemustreachouttothoseinneed.
beyond/outofreach手不可及,够不到withinreach伸手可及
10allow允许常用搭配:
(1)allowsbtodosth
(2)allowdoingsth(3)allow+n/pron(4)beallowedtodo
Theywon’tallowsuchanaction.Myparentsdon’tallowmetostayoutlate.Wedon’tallowsmokinghere.
Thenurseallowedhimtostaythere,thoughitwasnotpermitted.Hewasallowed________________________.
11accompany
(1)v伴随,陪同Willyouaccompanymeindrinkingaglassofwine?
Pleaseaccompanymeonmywalk.
Thelittlepatientaccompaniedbyhisparentswassittingatthewaitingroom.Lightningusuallyaccompaniesthunder.
(2)v为…伴奏Hermotheraccompaniedheronthepiano.她母亲为她钢琴伴奏。
accompanysbon/atsth
近义词辨析:
company公司,伙伴keepsbcompany陪伴,和某人做伴I’llkeepyoucompanywhateverhappens..
Itissaidthatdogswillkeepyoucompanyforaslongaswantwhenyouarefeelinglonely.
而accompany表示“陪同…去”Heaccompaniedaforeignvisitortotheairport.accompanysbto陪某人去…
12desire(n)渴望,欲望,渴求。
后接for短语或不定式
(1)Hehasnodesireforhealth.It’simpossibletosatisfyalltheirdesires.
Hehasastrongdesireforsuccess.=Hehasastrongdesiretosucceed.
(2)v渴望,希望,想要,后接名词、不定式或从句。
不用于进行时。
Myparentsdesiremetoenterakeyuniversity.
Hewhodesireshonorisnotworthyofhonor.期望得到荣誉的人不配得到荣TheygreatlydesiredtocometoChina.
(3)作及物动词,意为“要求,希望”,这时接宾语从句,宾语从句的谓语动词用should+v原形,should可省去。
Itisdesiredthatthisrule(should)bebroughttotheattentionofallthemembers.要求这一规定必须引起所有成员…
Peopleexpressedtheirdesirethatthewar(should)cometoanend.Thepresidentdesiresthatyou(should)visithim.
Wedesirethathelp___herewithoutdelay.AbesentBissentChasbeensentDwassent
类似用法的词有:
demand,insist,require,request,order,recommend等
13perform
(1)vt完成,执行Aswasexpected,heperformedtheworksuccessfully.Thechairmanperformedhisduty.
(2)机器等的运行情况。
Themachinecanperformthreeoperationsatatime.这部机器可同时进行三种作业。
(3)表示广义的演出,如戏剧、唱歌、演奏、表演戏法等。
Tomalsoperformedapartintheplay.在剧里也扮演了…
Themonkeyperformedwonderfullyattheshow.猴子在表演中表现得非常精彩。
14program
(1)n程序,安排,节目,规划Heknowsthecomputerprogramverywell.
IenjoyedthoseTVprogramsverymuch.Thereservoirwillbebuiltunderthisyear’sprogram.…按照本年度规划…
(2)v编程序Theycanbeprogrammedtocarryoutavarietyofjobs.
Thecomputercanbeprogrammedtolistallthepeoplewhoareover35.
15carryout开展,贯彻,执行,履行Theplanisbeingcarriedout.Remembertocarryoutyourpromise.
16character(n)性格,性质,人格品性,特点,人物,字体,文字awomanofgreatcharacter品格高尚的女人
Hehasastrongcharacter.他是个性格坚强的人。
Themaincharacterisayoungstudent.主角是个青年学生。
beoutofcharacter不符合(某人)平时的性格beincharacter合乎(某人)的性格
Theoldhousehadalotofcharacter.这所旧房子很具特色Thisisabookofaliterarycharacter.….有文学特色的书。
Heisofgoodcharacter.=Heisamanofgoodcharacter.他是一个品格好的人。
17position(n)位置,职务,职位,地位,身份,处境,姿势
Thecaptaincheckedtheship’sposition.Heholdsahighpositioninthegovernment.他在政府机构有很高的职位。
Hegotapositioninthecompany.Thegirlisdrawninastandingposition.
18makeup(n)装扮,穿着Hismakeupisunnatural.
makeup
(1)组成Fiftystudentsmakeupourclass.Ourclassismadeupof50students.(consistsof)
(2)捏造,编造Inordertoescapebeingpunished,hemadeupanexcuse.
(3)化妆,打扮Ittookherhalfanhourtomakeup.Shemadeupherface.
(4)补上,补做(失去的东西,误了的事情)CanIleaveearlythisafternoonandmakeuptomorrow?
Becauseyouwereill,
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