中考英语总复习-教材考点-第21课时-九全-Units

第21课时九年级Units13～141/42考点一

cutdown使用方法【课文原句】Well,tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.为了降低空气污染，我们应该乘坐公共汽车或者地铁，而不是开车。(九P98)2/42(1)cutdown意为“降低”，是“动词＋副词”结构短语，所接宾语若为名词，宾语可位于down前面或后面；若为代词，只能位于down前面。You'dbettercutthearticledowntoabout2，000words.你最好把这篇文章缩减到2000字左右。3/42(2)cutdown还可表示“砍倒”。Theycutdownthebigtree.他们砍倒了这棵大树。(3)含有cut短语：cutoff切断；切除cutinto把……切成……

cutup切碎cutin插队；插嘴4/421．(·江苏扬州江都模拟)Itisimpoliteforchildrento

whentheirparentsaretalkingwithothers.A．cutdown B．cutoutC．cutin D．cutshort5/422．(·山东青岛中考)Ourcountryistakingactionto

airpollution.A．cutdown B．cutupC．cutout D．cutoff6/42考点二表示“花费”含义单词辨析【课文原句】It'sgoodforhealthanditdoesn'tcostanything！它对健康有益而且不花钱！(九P98)7/42cost,spend,take,pay表示“花费”区分词汇使用方法cost事/物＋cost＋人＋时间/金钱；还能够强调抽象代价spend人＋spend＋时间/金钱＋(in)doing/onsth.takeIt＋takes＋人＋时间＋todopay人＋pay＋金钱＋for＋物8/423．(·山东济宁中考)Thatonemistakealmost

himhislife.A．took B．paid C．cost D．spent9/42考点三

beharmfulto使用方法【课文原句】Thisisnotonlycruel,butalsoharmfultotheenvironment.这种做法不但残忍，而且对环境有害。(九P99)beharmfulto意为“对……有害”，相当于doharmto或bebadfor。Smokingisharmfultoourhealth.＝Smokingdoesharmtoourhealth.＝Smokingisbadforourhealth.吸烟对我们健康有害。10/424．(·福建泉州质检改编)—Thefarmchemicalsremainedonthevegetableandfruitare

toourhealth.—Yes.Theymaycauselotsofdiseases.A．importantB．harmfulC．necessary

D．healthy11/42考点四

dosomethingtodosth.【课文原句】Sharksmaydisappearonedayifwedonotdosomethingtostopthesaleofsharkfins.假如我们不采取行动阻止鲨鱼翅销售，总有一天鲨鱼会消失。(九P99)12/42dosomethingtodosth.意为“采取办法去做某事”，相当于takeactiontodosth.“采取行动去做某事”。Peopleshouldtakeactiontoprotecttheenvironment.人们应该采取行动来保护环境。13/42考点五

afford使用方法【课文原句】Yes,wecan'taffordtowaitanylongertotakeaction！是，我们不能再等了，必须采取行动！(九P100)afford意为“负担得起(后果)；买得起”。常与can,could,beableto等连用，多用于否定句和疑问句中。14/42Itistooexpensive,andIcan‘taffordit.它太贵了，我买不起。Wecan‘taffordtogoabroadthissummer.今年夏天我们没有足够钱去国外。15/425．(·天津中考)Iamafraidwecannot

totakeataxi.Let'sgobyundergroundinstead.A．refuse B．afford C．forget D．fall16/42考点六

pay使用方法【课文原句】Ithinkit'sagreatideathatyounowhavetopayforplasticbagsinsomestores.我认为现在有些商店塑料袋需要购置这个想法很好。(九P100)(1)pay(sb.)moneyforsth.付钱(给某人)买……Ihavetopaythem20poundsforthisroomeachmonth.我每个月要付给他们20英镑房租。17/42(2)payforsth.付……钱Ihavetopayforthebook.我不得不付钱买这本书。(3)payforsb.替某人付钱Don'tworry!I'llpayforyou.别担心，我会给你付钱。(4)paysb.付钱给某人Theypayuseverymonth.他们每个月给我们酬劳。18/426．(·河北中考)Thisfoodisfree.Youdon'thaveto

it.A．lookfor B．payforC．askfor D．waitfor19/42考点七

throw使用方法【课文原句】Doyouoftenthrowawaythingsyoudon'tneedanymore？你经常把你不再需要东西扔掉吗？(九P102)throw“扔；抛”，其过去式和过去分词分别为threw和thrown;throwaway意为“扔掉；抛弃”。Youshouldn'tthrowawayyouroldclothes.你不应该把旧衣服扔掉。20/427．(·福建中考改编)—Don't

thewastepaper.Wecancollectandrecycleit.—You'reright.Everyoneshouldbeagreenerperson.A．blowaway B．putawayC．throwaway D．giveaway21/42考点八

lookback使用方法【课文原句】Lookingbackatthesepastthreeyears回望过去三年(九P107)(1)lookback(at/onsth.)意为“回首(往事)；回想；回顾”。Wecanlearnsomethingwheneverwelookback.每当回首往事，我们都能学到东西。WhenIlookbackatthosedays,IrealizeIwasveryhappy.当我回想起那些日子，我意识到那时我非常高兴。22/42(2)look其它常见短语lookfor寻找lookat看lookup向上看；查找lookafter照料lookthrough浏览23/428．(·湖北黄冈中考)—

thesepastthreeyears,whichteacherswillyoumissmost?—Mr.Jiang.He'shelpedmealot.A．LookingbackatB．LookingforC．LookingthroughD．Lookingafter24/429．(·山东潍坊中考)—Whydoyou

LiuHulan?—Becausesheisagreathero.A．looklike B．lookdownC．lookover D．lookupto25/42考点九

It'stimetodosth.句型【课文原句】Andnowit'stimetograduate现在到毕业时候了(九P107)◆It'stime＋(forsb.)todosth.表示“该(是某人)做某事时候了”。Tom,it'stimetogetup.汤姆，该起床了。26/42◆It'stimefor＋n.(v.­ing)意为“该做某事了，到了做某事时间了”，相当于“It'stimetodosth.”。Bequiet,everyone.It'stimeforclass.大家平静，该上课了。27/42【拓展】与time相关句型还有It's＋the＋序数词＋time＋todosth.表示“某人第几次做某事”，能够与It's＋the＋序数词＋time＋that从句相互转换。It'sthefirsttimeformetovisitDisneyland.Ifeelsoexcited.＝It'sthefirsttimethatIvisitDisneyland.Ifeelsoexcited.这是我第一次参观迪士尼乐园。我感到很兴奋。28/4210．(·黑龙江龙东中考改编)It'stimeforme

goodbyetomymotherschool.Iwillneverforgetallteachers'love.A．tosay B．sayC．tosaying D．saying29/42考点十

firstofall/congratulate使用方法【课文原句】Firstofall,I'dliketocongratulateallthestudentswhoareheretoday.首先，我想祝贺今天全部在座同学们。(九P110)30/42(1)firstofall意为“首先”，常放在句首表示次序，后面往往接next,then等，其反义词组为atlast,intheend。Firstofall,letmeintroducemyselftoyou.首先，让我向你做一下自我介绍。31/42(2)congratulate①意为“祝贺”，通惯用于“congratulatesb.onsth.”，表示“为某事而祝贺某人”。Shecongratulatedmewarmlyonmygoodexamresults.她热情地祝贺我考试取得了好成绩。32/42②congratulation是congratulate名词形式，其复数形式常单独使用。—I'vegotthefirstprize.我得了一等奖。—Congratulations！祝贺！33/42考点十一

thirsty使用方法【课文原句】Youwereallsofullofenergyandthirstyfor

knowledge.你们朝气蓬勃，渴求知识。(九P110)thirsty“渴望；口渴”；bethirstyfor意为“渴望；渴求”，后跟名词或动词­ing形式作宾语。Wearethirstyforsuccess.我们渴望成功。34/4211．(·山东淄博中考)Afterthefootballmatch,theplayerswerevery

andtired.A．cool B．fullC．lively D．thirsty35/4212．(·原创)Thechildrenincountrysidearereallythirsty

knowledge.A．for B．toC．at D．of36/42考点十二

setout使用方法【课文原句】Asyousetoutonyournewjourney,youshouldn‘tforgetwhereyoucamefrom.在你们踏上新征程时，不要忘记你们来自哪里。(九P110)37/42(1)setout意为“出发；启程”，其后常跟“for＋地点”，表示出发去某地。Thearmyareabouttosetout.部队就要出发了。LinglingandIwill