2020人教版九年级英语Unit-13知识点整理

【文库独家】Unit13We’retryingtosavetheearth!重点单词：Littler,bottom,fisherman,coal,ugly,advantage,cost,wooden,plastic,takeaway,cruel,harmful,industry,law,scientific,afford,reusable,recycle,gate,bottle,president,work,metal重点短语:befullof充满closedown关闭playapartin扮演角色cleanup打扫卫生cutdown减少insteadof代替makeadifference起作用，有影响usedto过去常……leadto通往……hearof听说beharmfulto…对……有害thefoodchain食物链atthetopof在……顶部或顶端turnoff关掉takepartin参加payfor付费；付出代价takeaction采取行动throwaway扔掉；抛弃putsth.togooduse好好利用某物pull…down拆下；摧毁turnupsidedown上下颠倒；倒转setup建起，成立bringsb.Backto使想起beknownfor因……而闻名重点句式：1.Itusedtobesoclean.它过去是那么干净。2.Everyoneinthistownshouldplayapartincleaningitup.我们镇上的每个人都应该尽一份力把这条河清理干净。3.Theairhasbecomereallypollutedaroundhere.这附近的空气被严重污染了。4.Tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.为了减少空气污染，我们应该乘公汽或地铁，而不要开车。5.Itdoesn’tcostanything.它不耗费任何东西。6.Butinfact,around70millonsharksarecaughtandtradedinthisindustryeveryyear.但事实上，每年大约七千万条鲨鱼被抓来用作商业交易。7.Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years.有些种类的鲨鱼数量在过去的二三十年里，下降了百分之九十以上。8.Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth,sowhyeatthem?到目前为止，没有科学研究证明显示鱼翅对健康有益，所以为什么要吃呢？9.Recyclingpaperisreallyeasy.回收再利用纸很容易。10.Butit’shardtostopridingincars.但是停止开小汽车是很难的。11.Weshouldn’tusepapernapkins.我们不该用餐巾纸。12.Turnoffthelightswhenyouleavearoom.当你离开房间时关掉灯。13.Haveyoueverthoughtabouthowthesethingscanactuallybeputtogooduse？你曾经考虑过怎样能充分利用这些东西吗？14.Amyisn’ttheonlyonewhoisgoodatrecycling.艾米并不是唯一善于回收利用的人15.Shehasbeendoingthisforafewyearsnow.她做这事已经有好几年了。16.Notonlycantheartbringhappinesstoothers，butitalsoshowsthatevencold，hardironcanbebroughtbacktolifewithalittlecreativity.艺术不仅能带给别人快乐，而且也说明了只需要一点创造力，即使是冰冷、坚硬的铁也可以产生活力。巧记歌诀：1.“花费”用法口诀花费四词各家聚，认准人物谁主语；in，on就跟spend去，for在pay后不客气；cost物前人后移，Ittakes…todo在一起。1.被动语态宾变主，主变宾，by短语后面跟，谓语动词变被动，be后“过分”来使用。巩固提升：一、单项填空()1.Idon'tthinkyou'vebeentoDisneyland,________？A．aren'tyouB．haven'tyouC．doyouD．haveyou()2.Thevillagerbuiltthebridge________stoneslastyear.A．outofB．outC．toD．for()3.Mybrotherwatchedthefootballmatchinsteadof________hishomework.A．doingB．doC．didD．does()4.—DoyouknowthemovieHarryPotter?—Yes.I________ittwice.It'sfunny.A．sawB．seeC．haveseenD．willsee()5.Morenaturalprotectionareasshould________inthefuture.A．setupB．tosetupC．besetupD．settingup()6.—Doyoulikeplayingcomputergames?—No,butI________.A．usedtoB．didn'tC．doD．don't()7.Ihavenever________thestrangeanimalbefore.A．heardfromB．listenedC．listenedtoD.heardof()8.—MissLiu,whendidyoucomehere?—In2012.I________herefortwoyears.A．havebeentoB．havegonetoC．havecomeD．havebeen()9.Lotsoffoodandwater________toYa'an,SichuanProvinceimmediatelyaftertheearthquakehappened.A．weresentB．aresentC．sendD．sent()10.Thechildrenwerehungryandthesaladwasquickly________up.A．eatingB．ateC．eatenD．eat()11.Look,somanypassengers________withtheirsmartphonesontheunderground.A．playedB．willplayC．areplayingD．haveplayed()12.Greatchanges________inDaqingsincethe1990s.A．tookplaceB．weretakenplaceC．havetakenplaceD．havebeentakenplace()13.—Howmuchdoesthecar________？—Oh,that'snottoodear.It'sonly100,000yuan.A．spendB．costC．takeD．pay()14.—Haveyou________theschoolsportsmeeting?—Yes,Ihave.A．takepartB．takenpartC．takenpartinD．tookpartin()15.—What________Ido?—You'll________studyfromnowonifyouwanttogotocollege.A．can;mayB．should;canC．should;havetoD．may;could()16.________he________onwellwithhisfriendsthisterm?A．Did;getB．Does;getC．is;gottenD．Is;getting()17.Computers________processdifficultproblemsveryquickly.A．canB．mustC．shouldD．need()18.Ourteachertolduswastebottlesshouldbe________gooduse.A．putB．puttoC．toputD．puts()19.—IsTomcomingbytrain?—He________.Buthe________not.Helikesdrivinghiscar.A．can;mustB．may;canC．must;mayD．should;may()20.—John,yourroomisreallyinamess.Itneeds________.—Sorry,Mum.I'lldoitatonce.A．cleansB．cleanedC．tocleanD．tobecleaned二、完形填空Nancy'sgrandmalivedinabigoldhouseinNewYork.Nancyandherparentswenttoseehereachsummer.Nancy__1__toseeGrandmaandbake(烘烤)withher.Shelikedtoplaycardswithher,too.Thissummer,however,Grandmadidnotseem__2__.Sheseemedtobeworriedaboutsomething.“What'swrongwithGrandma？”Nancyaskedhermom.“The__3__pollutionisbothering(使烦恼)her，”Momsaid.“Doyou__4__thenoisefromallthosecars？”Nancyasked.“Yes，”Momsaid.“WhenGrandmamovedheremanyyearsago,therewasn'tsuchabig__5__here.Nowthereisabigroadthatisusedtogotoworkeasilyinthecity.Bigtrucksdeliver(运载)foodallover,too,by__6__thisroad.Theymakesomuchnoise.ThenoisepollutionreallybothersGrandma.”“Iknow__7__waterpollutionandairpollutionare.Ilearnedabouttheminschool,butwhatisnoisepollution？”Nancyasked.“Pollutionis__8__thatisbadforyou，”Momsaid.“Noisepollutioncaninfluencesomeone's__9__.Grandma'sbloodpressuregoesupbecauseoftoomuchnoise.Shealsohastrouble__10__withallthetrafficatnight.Grandma'shearinghasbeenhurtbythenoise,too.”()1.A.lovedB．hatedC．wantedD．feared()2.A.interestingB．happyC．healthyD．well()3.A.waterB．soilC．airD．noise()4.A.meanB．getC．tellD．point()5.A.factoryB．poolC．roadD．railway()6.A.cleaningB．usingC．buildingD．making()7.A.whatB．howC．whereD．when()8.A.everythingB．anythingC．somethingD．nothing()9.A.diet