人教版英语必修三Unit2全整理(单词详解)PPT课件

.,Unit2,Wordsandexpressions,.,1.diet.N.日常饮食。V.节食,教材原句：Everybodyhastoeat,butdoyoueataheathydiet?go/beonadiet:节食eg:Marythinkssheissofatthatshehastogoonadiet.diet指通常吃的食物，尤其指规定的食谱（治疗疾病或减轻体重的食物）food:指人或动物所需食物或植物所需养料。eg:wecannotsuevivewithoutfoodandwater.,.,2.balancen天平；平衡；结余，余额v.平衡；权衡Yououghttohaveabalancedstateofmind.Youhavetobalancetheadvantagesoflivinginthecountrysideagainstthedisadvantages.你得权衡一下住在乡下的好处和坏处。keeponesbalance保持平衡inthebalanceloseonesbalance失去平衡keep.inbalancepleasekeepabalancebetweenworkandplay.Icantkeepmybalance.=Ilostmybalance.=outof.Trytobalanceyourdietbyeatingfruit.balancedadj.保持(或显示)平衡的Whatwillhappentoyouifyoudonteatabalanceddiet?假如你的饮食不均衡会怎么样？,.,3.oughtto应该，应当(oughtto与should意思接近，大多数情况下二者可以互换，但是should谈的是自己的主观看法，oughtto则更多反映客观情况，在谈到法律、义务和规定时使用)1)should/ought(not)todo(不)应该做某事Yououghttoleaverightnow.Oneoughtnot(oughtnt)tocrossthestreetwithoutlookingattrafficlight.2)shouldoughttohave过去分词”既可表示本该做而事实上没有做的事，也可以表示惊讶、赞叹等情绪。Youshouldhavetoldheraboutitthedaybeforeyesterday,.,loseweightweightn.weighv.称重.，衡量（link-verb:称重为)putonweight=gainweight增加体重controlonesweight控制体重byweight按重量计算lose相关短语:loseheart丧失勇气或信心loseface丢面子losesightof看不见loseonesway迷路loseonesbreath喘不过气来,.,4.curiosityn好奇心，求知欲CuriositydroveWangPenginside.,1.TheletterwasntaddressedtomebutIopeneditoutofcuriosity.,2.Isawhereyesfixedonmeincuriosity.,3.Childrenarecuriousabout/showcuriosityabouteverythingaroundthem.,4.Astudentshouldalwaysbecurioustolearn.,5.Itiscuriousthatheshouldhaveaskedyouthatquestion.虚拟语气,.,5.getawaywith.(n/doing)a)不因某事而受惩罚。Iwonthaveyougettingawaywithcheatingintheexam.b)偷携某物潜逃。Therobbersrobbedthebankandgotawaywithalotofmoney.c)收到较轻的惩罚。Hewassoluckytogetawaywithafineforsuchaseriousmistakegetdowntosth/doing.开始认真对待某事Isntittimeyougotdowntomarkingthepapers?getridof摆脱；除掉Youmustgetridofthisbadhabit.,getin插话；收获；进入getdown下来；取下；放下getacross被理解，(把)讲清楚getoff从下来；下车；下去getthrough花光(时间、钱等)；通过；接通电话geton上车；搭乘getover克服(困难)；从中恢复过来getout出去；把弄出getalongwith进展；与相处,.,6.Liev.说谎(lying,lied,lied);平躺(lying,lay,lain)n.谎言(liar撒谎的人)Lietosbaboutsth.关于某事向某人撒谎Heliedtomeabouttheresult.Tellsbalie=tellalietosbHeislyinginthebed.Layv.放置，下蛋，产卵，赌钱(laying,laid,laid)Pleaselaythebookonthetable.Thehensarelayinginthenests.Howmuchdidyoulayontherace.,.,7.winback：赢回，重新获得,shewonhermoneybackItsdifficulttowinbacksomeonesloveonceyoulostit.Hewonwhathelostbackwithhisefforts.8.strength:nC长处；强项U力量；体力strengthenvt.&vi.加强weaknessn.弱点，缺点，不足weakadj.weakenv.减弱，使变虚弱.strengthsandweaknesses:优点和缺点eg:Thegovernmentdecidedtotakesomemeasures_(strength)theeconomy.,.,strong-strength-strengthenlong-length-lengthenhigh-height-heightendeep-depth-deepen辨析：strength,energy,force,powerstrength:力量，体力，精神力量energy:人的精力，工作、活动的能力，自然界的能量等force:物理意义上的力，为指某事而使用的力量，常指武力power:人或机器的功能、职位、权力或政权(天津高考)Thedaysaregonewhenphysical_(strong)wasallyouneededtomakealiving.,.,9.consultv咨询；请教；商量，查阅eg:Pleaseconsultthecardcataloguefirstifyouwanttoborrowbooksinthelibraryconsultsb.aboutsth就某事向某人咨询eg:Sheconsultedalawyeraboutherdivorce.consult(with)sb.about/onsth与某人就某事商议eg:Heconsultedwithhisbusinesspartneraboutthematter.consultadictionary/ateacher查阅词典、请教老师eg:Theteacheradvisedusnottoconsultthedictionaryforeverynewwordconsultwithafriend和朋友商议,.,10.earnonesliving:谋生earnoneslivingby=liveby=makealivingby靠谋生earnonesownliving自食其力earnmoney=makemoney挣钱earnsalary/income挣工资/收入earnrespect赢得尊敬(2011辽宁高考)Youareoldenoughto_yourownliving.winB.gainC.takeD.earn,.,11.indebt负债be/stayoutofdebt不负债；还清债务Hewasindebtwhenhewaspoor,buthehasbeenoutofdebtsincehegotrich.beindebttosb.欠某人债HeisindebttoTom.beinsbsdebt.欠某人的情；感激某人LilyisinLucysdebt.payoffonesdebts偿清债务Hehaspaidoffhisdebtssincehegotrich.get/fall/runintodebt负债payforthedebt:偿还债务,.,12.glareat怒视，带有敌意辨析：glareat/glanceat/stareatglareat怒目而视，由于生气而瞪着眼看glanceat扫视，一瞥，粗略地看stareat张大眼睛死死地盯着，由于好奇、无礼或傲慢而长时间地看其他“看”：witnessvt.&n.目击(者)observevt.&vi.观察spotvt.发现；认出,.,13.spy(v/n)监视，侦查，看见n.间谍1)暗中监视；侦查。eg:Itisimpolitetospyintootherpeopleswindows.2)看见，发现。eg:Hesuddenlyspiedanoldfriendinthesupermarket.spyon暗中监视，侦查spyout暗中查明,.,14.limitvt.限制；限定n.界限；限度Theamountofmoneyyouhavetospendwilllimityourchoice.limitedadj.有限的belimitedtosth.受限制于eg:Thenumberofmembersislimitedtofiveeveryyear.withinlimits在某种程度上，有一定限制beyondthelimit超过限度withoutlimit无限制地tothelimitof.达到.的限度setalimitto设定.的限度thespeedlimit车速限制limit.to把.限制在.limitsb.to(doing)sth限制某人做某事,Itsalreadybeyondthelimit.,Obviouslytheresnolimittotheamountofflatteryapersonwants.可见一个人受马屁的容量,是没有底的.,.,15.benefitvt.&vi.有益于；有助于；受益benefitsb.对某人有益Weshouldspendthemoneyonsomethingthatwillbenefiteveryone.benefitfrom/by.从受益，得益于Wecanbenefitfromtheproject.getbenefitfrom从中受益Wecangetbenefitfromtheproject.beneficialadj.有利的；有裨益的；受益的bebeneficialto=beof(much，great)benefittosb.=bebeneficialto.对有益Weshouldspendthemoneyonsomethingthatwillbebeneficialtoeveryone.Weshouldspendthemoneyonsomethingthatwillbeofgreatbenefittoeveryone.forthebenefitof=foronesbenefit为了.的利益,.,binev.和.结合起来combine.with和.结合起来辨析combine,connect,join,linkCombine:结合，组合，把2个或2个以上的人或物混合起来，成为不可分割的一体。Connect:连接，联系。强调通过第三者把双方连接，联系起来connect.with/toJoin:接合，连接。侧重把原来不相连的物体紧密地连接在一起join.toLink:连接式的连接。用接合物或其他方式连接linkAwith/toB,.,17.cutdown削减；删节；砍倒；缩短Inthiswaytheycutdownthefatandincreasedthefibreinthemeal.cutoff切断(电，煤气)，使孤立，隔绝eg:IfeltthatIwastotallycutoff.(isolated)cutdown削减，缩小，砍倒cutacross走捷径cutin插话cutthrough穿过cutaway切除cutout删除cutup切碎,.,18.beforelong不久以后，一会儿辨析：beforelong/longbeforebeforelong=soon,与一般将来时或一般过去时连用longbefore在.之前很久，在.之前早就itwasnotlongbefore.不久就.itwillnotbelongbefore不久就会.巧记：long在前，很久前；long在后，不久后Itwaslongbefore过了很久才.Itwasnotlongbefore.没过多久就.Itwillbelongbefore.要过很久才会Itwillbenotlongbefore.要不了多久就会.,.,19.cooperation:N.合作，协作,incooperationwith:和.合作eg:TheyworkedinclosecooperationwiththeBritishTouristAuthorityV.cooperate:合作，配合(with)eg:Thetwogroupsagreedtocooperatewitheachother.,.,Unit2HealthyEating-reading,.,Youarewhatyoueat.人如其食。Firstwealthishealth.健康是人生的第一财富。Anappleadaykeepsthedoctoraway.一天一个苹果，医生不来找。-Emerson,.,COMEANDEATHERE,.,1.WangPengsatinhisemptyrestaurantfeelingveryfrustrated.,1)feelingveryfrustrated现在分词在句中作伴随状语eg.Shesatonthechairreadinganewspaper.(表伴随)Walkinginthestreet,shemetheroldfriend.(表时间)Seeingnobodyathome,shedecidedtoeatoutside.(表原因)Thechildfell,strikinghisheadagainsttheground.(表结果)Hethoughtofhismuttonkebabs,fattyporkcookedinthehottest,finestoil.过去分词短语作后置定语，表被动。=whichwerecookedinthehottestoil.2)feelfrustratedat/with.因.而懊恼，对.感到沮丧frustrated修饰sb.frustrating修饰sthEg.Theflowerspickedbyhimareverybeautiful.,.,2.Nothingcouldhavebeenbetter.,比较级与否定词连用表示最高级。=Allhisfoodcouldhavebeenthebest.Eg.Ihaveneverseenabetterfilm.常用的否定词：no,not,never,nothing,nobody,hardly意义：再也没有比.更.的了。表示最高级的其他表达方式：(1)can/couldnever/notenough/too.“再也不为过”anyother+单数名词（all）theother+复数名词(2)比较级thananyoftheother+复数名词anyoneelse,.,eg:Thebookhasagreatereffectonmeanyotherbookthatalltheotherbooksanyoftheotherbookseg:ItwasnotuntilthenthatIsuddenlyrealizednobodywashappier(happy)thanIwas.eg:MustIturnoffthegasaftercooking?Ofcourse.Youcanneverbetoocarefulwiththat.,.,3.Tiredofallthatfat?Wanttoloseweight?tiredof厌烦的eg:Heistiredofdoingthesamethingallyearround.tiredout筋疲力尽eg:IwastiredoutwhenIfinallyreachthetopofthemountain.tiredfrom因而疲倦Iwasverytiedfromrunningfast.,.,8.HecouldnothaveYongHuigettingawaywithtellingpeoplelies.1)havesb/sth.doingsth让某人一直做某事，听任/容忍某人做某事,多用于否定句，不能让，不能容忍havesb.doing听任/容忍某人做某事，havesb.do使/让某人做某事havesthdone让某人做某事，让某事被做eg:Icanthaveyou_(speak)toyourmotherinarudemanner.eg:-Canyougotowatchfootballmatchwithmetonight?-Sorry,butIhaveanimportantmeeting_(attend).,.,Asaresponsibleteacher,hecanthaveanyofhisstudents_(cheat)intheexam.IcantgotothecinemawithyoubecauseIhavealotofhomework_(finish)Everyyear,Tomrememberstohavesomeflowers_(send)tohismotheronherbirthday.Theyweresofrightenedthattheyhadthelight_(burn)allnight.,.,4.Onlyslimmingfoodsservedhere.servev.充当.提供，服务，接待，供应servesth.tosb:给sb提供sthserve-service-servantifmymemoryservesme如果我没记错的话serveattable当侍者serveonestime任期内任职servesomeoneright罪有应得；活该serveones/itsturn有用；起作用eg:Weare_peopleandweshould_thepeopleheartandsoul.A.servantsof,serveB.servicefor,serveC.servantsof,serveforD.servantsof,serveof,.,5.Itcostmorethanagoodmealinhisrestaurant!morethan比.多，超过=overmorethan+adj./adv.=verymuch非常morethan+n.不只是morethanalittle非常nothingmorethan不过是，无非是nomorethan仅仅，只不过notmorethan:不超过，不多于nomore.than.与.一样不more.than.与其说.，倒不如说.,.,YongHuiagreedtostayandsoontheywerebothenjoyingthedumplings,fattyporkandcola.1)agreeto(do)sth.表示“同意某事或某建议”，后只能跟表“提议，计划，方案，打算，安排”Eg.Heagreedtotheirproposal.2）agreewithsb.同意某人Eg.Iagreewitheverywordyousaid.3）agreeonsth.表示在某事上取得一致的意见Eg.Theyagreedonadateforthenextmeeting.N。agreement：一致，协议，同意agreementbetweenAandBreach/achieveagreement,.,Butdontyouthinkitwouldbebetterifyouwereabitthinner?虚拟语气，表示与现在事实相反的假设时，条件状语从句的谓语动词用过去式（be用were），而主句的谓语动词用would(should,could,might)+动词原形。eg:IfIwereyou,IshouldstudyEnglishbetter.,.,Grammar,Modalverbs情态动词(II),Unit2Healthyeating,.,1.作为情态动词用，常用在否定句和疑问句中。,Dare(need)+S+VS+darent(neednt)+V,Idarentwalkthroughtheforestatnight.Dareyouwalkthroughtheforestatnight?Youneedntreturnthebooknow.Needhegoyesterday?,可兼做行为动词的情态动词：need、dare,.,2.作实义动词用，常用在肯定句中,有人称、时态、和数的变化,Heneedstogotherehimself.Hehasgrownup,wedontneedtoworryabouthim.,3.Sth(sb)need(want,request)+doing/tobedoneThehouseneedscleaning/tobecleanedTheboyneedssendingtothehospitalatonce.,.,OurcolorTVsetisstillgoodenough.Youneednthaveboughtanewone.,4.neednthavedone表示原本不必要做的事情却已经做了的情况,意为“本不必要”,Yourhomeisnotfarfromyourschool,soyouneednthaveleftinsuchahurrythen.,.,5.注意对need问句的回答:-NeedIfinishtheworktoday?-Yes,_.No,_.No,_.,youmust,youneednt,youdonthaveto,-Mustwedoitnow?-No,you_.,neednt(donthaveto),.,情态动词的其他用法,maywell+v=havegoodreasonto(理所当然）Youmaywellsayso.may/mightaswell=hadbetterdo.(最好。）Youmayaswellsayso.mayaswell+v.+as+v(与其.不如.)(最好.而不要.）Youmightaswellthrowyourmoneyawayaslendittohim.,1.may,.,1.Judgingfromhisaccident,hemustbefromthesouth,2.Itiselevenoclockatnightandthelightsareoff.Theymustbesleepingnow,isnthe?,arentthey?,因must后是系动词be,must后接的是besleeping，是对正在进行的情况推测,2.与must有关句子的反意疑问句,.,1.Wemusthavel