Unit13We'retryingtosavetheearth拔高知识讲义及精选练习题

九年级Unit13Wearetryingtosavetheearth.目标短语1.负担不起做某事can’taffordtodosth. 2.代替做某事insteadofdoingsth.3.在天空中inthesky 4.改善环境improvetheenvironment5.用…建造/制作make/buildsth.outof… 6.恢复，使想起，归还bringback7.建立setup 8.获奖winaprize9.拆毁，摧毁putsth.down 10.好好利用某物putsthtogooduse11.扔掉throwaway 12.采取行动做某事takeactiontodosth.13.一个充满创意的头脑acreativemind 14.更受欢迎的作品themorepopularworks15.以…开始beginwith 16.对…有害doharmto/beharmfulto 17.关闭工厂closedownthefactories 18.听说hearof/about收到某人的来信hearfromsb.19.在海洋生态系统中intheocean’secosystem 20.减少空气污染cutdowntheairpollution21.一个不寻常的女性anunusualwoman 22.对某人来说是一个鼓舞人心的人/事beaninspirationtosb.23.环境保护的重要性theimportanceofenvironmentalprotection24.在食物链的底端/顶端atthebottom/topoffoodchain25.保持公共场所整洁和美丽keeppublicplacescleanandbeautiful26.噪音/水/垃圾污染noise/air/water/wastepollution 27.参与清理河流playapartincleaninguptheriver 28.把垃圾扔进河里throwlitter/rubbishintotheriver29.我们的行动就能起作用，就会创造更加美好的未来。Ouractionscanmakeadifferenceandleadtoabetterfuture. 词汇巩固一、阅读句子，用括号中词的正确形式填空。1.Ithinkmostlyshewaslookingfor__________(happy).happiness2.Smokingis___________(harm)tohealth. harmful3.Iwillaskthem__________(send)someoneoutstraightawaytofixthecar.tosendcan'tafford__________(wait)anylongertotakeaction!towait5.The___________(inspire)behindthereformswasapaperwrittenin1985.inspiration6.Whatyouhavetoldmemaymakea__________(different)tomyownopinion.difference二、阅读句子，用空格中所提示动词的完整结构完成句子。1.Weshould___________(notdrive)towork.notdrive2.Sofar,noscientificstudies__________(show)thatsharkfinsaregoodforhealth.haveshown3.Ifthenumberofthesharksdropstoolow,itwillbring(bring)dangertoalloceanlife.4.Thereistoomuchrubbishandwaste,peoplearestillthrowing(stillthrow)littereverywhere.5.Somewebsites___________(alreadysetup)tosellhisworksonline.havealreadybeensetup语言知识精讲1.辨析：needtobedone;needdoing与needtodo【即学即练】=1\*GB3①Iwanttogotothedentist’s,butyou_____________withme.C A.needn’ttogo B.don’tneedgo C.needn’tgo D.needn’tgoing=2\*GB3②Asaresultoftheseriousflood,two-thirdsofthebuildings_________________inthearea.A A.needrepairing B.needstorepair C．needsrepairing D.needtorepair2.SavetheSharks!（1）Hesavedtheboyfromthebigfire.他从大火中救出了那个男孩。（2）Shesavedherstrengthforthelastminutesoftherace.她保存体力，准备在比赛的最后几分钟冲刺。（3）Someanimalssaveforthefuture.一些动物为未来之需储存食品。3.Whenpeoplecatchsharks,theycutofftheirfinsandthrowthesharkbackintotheocean.当人们捕到鲨鱼时，他们会砍掉鱼鳍，再把鲨鱼扔回海里。cutoff：①Theirwatersupplywascutoff.他们的水源被切断了。②Theycutofftheheadsoftheircaptives.他们把俘虏的头砍了下来。③Hehascuthissonoffwithoutapenny.他取消了儿子的继承权，一便士也不给。cut短语拓展： cutdown削减；砍倒；杀死；删节；胜过 cutin插嘴；超车；插入cutinto打断；侵犯 cutout删去；停止；关掉 cutback削减；修剪；倒叙 cutup切碎；抨击4.cost☞Itmustcostagooddealtolivehere.【易混辨析】take/spend/cost/pay【即学即练】—Whatanicecoat!Howmuchdidyou____________forit?—It____________metwohundredyuan.A A.pay；cost B.pay；paid C.cost；pay D.cost；cost5.Asharkcannolongerswimandslowlydies.（1）nolonger=not…anylonger不再（状态不再延续）Ifyouarealwaysdishonest,peoplewillnolongerbelieveyou.=Ifyouarealwaysdishonest,peoplewon’tbelieveyouanylonger.如果你总是不诚实，人们就不会相信你了。她不再住这里了。Shenolongerliveshere.=Shedoesn’tlivehereanylonger.（2）nomore=not…anymore不再（动作不再重复）1)Ican’tseeyouanymore.=Icanseeyounomore.我再也见不到你了。2)宝宝没有再哭泣了。Thebabycriednomore.=Thebabydidn’tcryanymore.【即学即练】完成句子1)这所学校发生了巨大的变化。它不再是二十年前的样子。ItisnolongerGreatchangeshavetakenplaceinthatschool._____________whatiswas20yearsago.2)她再也找不到进山谷的路了。couldnolongerShe________________________findawaytogetintothevalley.6.Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years.很多种类的鲨鱼的数量在最近的20年到30年之间，下降的比率超过90%。1）fallby下降了，后跟百分率。而fallto，表示下降到，后跟具体数字。如：Theoutputhasfallento1500tons.产量下降到1500吨。

Theoutputhasfallenby5percent.产量下降了5%。2）inthelastfewyears指“从过去某时至今”的这段时间，谓语动词用现在完成时态，类似的结构还有：since10yearsago;for10years;inthepast…years;overtheyears等。Therehavebeengreatchangesinthepastfewyears.过去的一些年以来，这发生了很大的变化。过去的一些年以来，她已去了很多地方。Shehastravelledtomanyplacesoverthelastfewyears.【即学即用】1.__________

of

peoplewho

lost

homes__________

reached

as

many

as

300.

B

A.Thenumber…have B.Thenumber…has C.Anumber…has D.Anumber…have2.Thefamouswriter_________twobooksinthepasttwoyears.D A.iswriting B.waswriting C.wrote D.haswritten7.Notonlycantheartbringhappinesstoothers,butitalsoshowsthatevencold,hardironcanbebroughtbacktolifewithalittlecreativity. ☞她不但打网球，而且还打羽毛球。Shenotonlyplaystennis,butalsoplaysbadminton. ☞吉姆还有我都打算去参观颐和园。NotonlyJimbutalsoIamgoingtovisittheSummerPalace.8.Theairpollutionisgettingworseandworse.【即学即用】1.我今早比我妈妈起得早。2.这个房间是那个房间的三倍大。Thisroomisthreetimesaslargeasthatone.threetimesthesizeof/twicelargerthan3.我们越努力，就会感到越幸运。4.祖国变得越来越强大了。语法知识精讲一、现在进行时1.概念：表示说话时正在进行的动作及行为或表示现阶段正在进行的动作。2.结构：现在进行时常有三种句型：（1）肯定式：主语＋be＋v-ing＋其他。☞Heismendinghisbike.他正在修自行车。（2）否定式：主语＋be＋not＋v-ing＋其他。☞Heisnot（isn’t）mendinghisbike.他没在修自行车。（3）疑问式：主要分一般疑问句和特殊疑问句两种句式。=1\*GB3①一般疑问句：Be＋主语＋v-ing＋其他?☞—Ishemendinghisbike?—Yes,heis./No,heisn’t.=2\*GB3②特殊疑问句：疑问词＋be＋主语＋v-ing＋其他？☞Whatishedoing?他正在干什么？3.常用的时间状语有：now，atthemoment，rightnow，thesedays等。在句首出现look或listen时，也可以判断出后面的句子用现在进行时。☞SheiswatchingTVnow.她现在正在看电视。☞Listen!Who’ssingingintheclassroom?听！谁正在教室里唱歌？二、现在完成时1.概念：表示过去发生或已经发生的某一动作对现在造成的结果或影响，可以和already，yet，just连用。2.构成：助动词have/has+过去分词。☞Ihavealreadypostedthephotos.我已经把照片寄了。（照片已不在我这儿了）☞—Haveyouhadyourlunchyet?你已经吃过午饭了？—Yes,Ihave.I’vejusthadit.是的，我吃了。我刚刚吃的。（现在不饿了）3.常用的时间状语：already，yet，just，ever，never，before，uptonow，tillnow，sofar，inthepastfew（two，three...）years等。4.延续性动词与非延续性动词现在完成时中非延续性动词不可以和表示一段时间的时间状语连用。此时应将非延续性动词转换为延续性动词，转换情况可见下表：非延续性动词（短语）延续性动词（短语）borrowkeepbuyhavediebedeadget(to)be(in)leavebeawaybecomebefallasleepbeasleepbeginbeongooutbeoutjoinbeamemberofputonwear5.现在完成时的三个固定结构：（1）have/hasbeento表示某人曾经去过某地，现在已不在某地。可以和表示次数的单词或短语连用，如once，twice，threetimes等。☞IhavebeentotheUSAtwice.我去过美国两次。（2）have/hasgoneto表示某人去某地了，不在说话处。☞—Where’sJim?吉姆在哪里？—Hehasgonetothelibrary.他去图书馆了。（3）have/hasbeenin表示某人在某地待了一段时间，经常与＂for+一段时间＂连用。☞Wehavebeeninthiscityforthreeyears.我们在这个城市待了三年了。三、被动语态主动语态变被动语态时，主动语态句中的宾语变成被动语态句中的主语，主动语态句中的主语成为被动语态句中的动作的发出者。1.基本结构：is/am/are+及物动词的过去分词2.主动语态与被动语态之间的转换状语宾语谓语主语状语宾语谓语主语We状语宾语谓语主语状语宾语谓语主语Thatfactorywasvisitedbyuslastsummer.被动语态3.感官动词（hear，see，watch等）或使役动词（make，let等）在主动句中，其后的动词不定式不带to，但在变为被动语态时必须使用to。makesomebodydosomething→somebody+be+madetodosomethingseesomebodydosomething→somebody+be+seentodosomething☞Agirlsawmywalletdropwhenshepassedby.一个女孩经过的时候看见我的钱包掉了。→Mywalletwasseentodropbyagirlwhenshepassedby.课后练习I.单选1.—Whatdoyouthinkofthehouse?—Itismuchmorebeautifulthan________.C A.we B.us C.ours D.ourselves2.—Youforgotto________theTVbeforegoingtobed.—Sorry,Mum.Iwon’tdoitagain.C A.turndown B.turnon C.turnoff D.turnup3.Whatdoyouusuallydo________yoursparetime?B A.with B.in C.at D.during4.Itgavemesuchpleasureto________yourgreatimprovementinEnglish.C A.hearfrom B.hearingfrom C.hearof D.hearingof5.Theoldhouseisnotasafeplace________.D A.lived B.living C.live D.tolivein6.Thestudents________don’tstudyhardwillnotpasstheexam.B A.which B.who C.whom D.whose7.—Whatanexcitingmatch!—Yes,isn’tit?I________suchagreatonebefore!D A.neversaw B.hadneverseen C.neversee D.haveneverseen8.Tomrecently________anawardfromtheschool.C A.win B.won C.havewon D.hadwon9.Thesemodeltoysweremade________oldtelevisionsandradios.C A.from B.into C.of D.by10.Lastweek,they________muchmoneyandfood________thepoorareas.C A.provide;for B.provide;with C.provided;for D.provided;with11.We’retrying________thecheetahs,fortheyareindanger.A A.tosave B.save C.helping D.help12.There________alotoftreeshere,butnowithasbecomedesert.C A.is B.have C.usedtobe D.usedtobeing13.HangMei________hermotherbecausesheisbeautifulandintelligent.B A.look B.islike C.liked D.looklike14.Thebigfishisabout7feet________and________about168pounds.A A.long;weighs B.long;weight C.length;weight D.length;weighs15.Thepresident________allpeople________ourenvironment.B A.urge;toprotect B.urged;toprotect C.urged;protect D.urges;protectII.完成句子。1.他们正设法为他们的新公司筹款。They’re____________________moneyfortheirnewcompany.managing/tryingtoraise2.大峡谷约466公里长。TheGrandCanyonisabout466____________.kilometerslong3.如今的生活比以前舒适多了。Lifeismucheasierthan_________________________.itusedtobe4.在父亲久病期间，她一直照料着他。She______________herfatherallthroughhislongillness.lookedafter/caredfor/tookcareof5.据报道，我市将建一座新的动物园。__________________________anewzoowillbebuiltinourcity.ItissaidthatIII.完形填空Everyonehasaplacewhichheremembersmostfromhischildhood,andsodoI.OneoftheplacesIrememberfrommychildhoodisa16inthecountry.Itbelongedtomyparents.Ispentmysummersinthatplace17Iwasateenager,andnowIbegintomissthefarmagain.Itwaslovelyto18there.Therewerealotof19—cows,sheep,hens,andnaturallydogsandcats.MysisterandI20helpedtoworkonthefarm.Wehelpedpeoplegraze(放牧)sheepormakebreadorcheese.IcanstillrememberthatonTuesdayswe21thebreadandonThursdays,thecheese.IlovethatfarmbecauseI22toloveanimalsandnottobeafraidofthemthere.Wesawasheepgivebirthtoitsbabythere,andweenjoyedstayingtheretoseehowlovelythe23sheepwas.Nowmysisterandhersonare24thisplace.Mynephewis25withtheplace.Ihopethathehasagoodtimethereandwhenheisolder,hewillremembertheplaceasIdo.16.A.house B.farm C.village D.park17.A.assoonas B.until C.though D.since18.A.stay B.read C.learn D.leave19.A.flowers B.plants C.animals D.dogs20.A.sometime B.sometime C.sometimes D.sometimes21.A.make B.made C.tomake D.making22.A.wanted B.remembered C.learned D.stopped23.A.little B.clever C.colourful D.white24.A.leaving B.painting C.enjoying D.building25.A.worried B.angry C.sad D.pleasedBBACDBCACDIV.阅读理解AItwasagreatpleasureforthefamilytomovetoahousewithaverybiggarden.BettyandTonycouldclimbuptrees,growflowersandevenplaybadminton.Theylikedtowatchthebirdsflyingamongthetreesinthegarden.Theyevenstartedtoputfoodouttoattractmorebirds.Everythingwasfineforafewdaysuntiloneafternoontherewasastrangebumpingnoiseonawindow.Bettywentoutsideandfoundasmallbirddeadonthegrass.Itsneckseemedtobebroken.＂Itmusthaveflownintothewindow.＂TonysaidwhenhissisterBettycalledhimtohavealook.＂Ah,yes,lookhere.Youcanseethemarkwhereithitthewindow.Thereareacoupleoftinyfeathersstuckonthewindow.＂＂Poorthing!＂Bettysaid.Duringthenextmonth,fivemorebirdsdiedinthesameway.＂Whywouldtheyflytothewindows?＂Theywondered.Finallytheyknewthetruth.Whenthebirdswereflying,theycouldn’tseeintotherooms.Alltheysawwasthereflection(倒影)ofthegarden.Theythoughtthattheywereflyingintotreesbecausetheysawtreesreflectedbythewindow.＂Somethinghastobedonetosavethebirds.＂theparentsdecided.Atfirst,thefamilytriedkeepingcurtainsacrossthewindows,butthismadetheroomdark.Thentheyboughtsomestrongblackpaperandcutouttheshapeofahawk.Theymadesixhawks—oneforeachwindow.Theystuckthehawkstothewindows.Theylookedprettyanddidnotkeepoutmuchlight.Whenthebirdssawthehawks,theywouldflyaway.Afterthat,therewerenomoredeadbirds.Thefamilyweremuchhappier.26.Theyputfoodouttoattractbirdsbecausethey________.C A.hadaspecialgardenforbirds B.hadtoomuchbirdfoodtofeedthebirds C.wantedtoseemorebirdsflyinginthegarden D.wantedtocatchsomebirdsinthegarden27.________birdsdiedinthegarden.A A.Six B.Five C.Four D.Seven28.Thebirdsflewtothewindowsbecausethey________.C A.foundthewindowsverybigandclean B.wantedtofightformorefood C.thoughtthereweremoretreesahead D.wantedtogointotheroom29.Theunderlinedword＂hawk＂means________.B A.丛林 B.鹰 C.山脉 D.燕子30.Thestoryismainlyabout________.C A.whythosebirdsdiedintheirgarden B.BettyandTonyweregoodatpaper-cutting C.howthefamilysavedthebirdsinthegarden D.thefamilyhadanewhousewithabiggardenBAsamanwaspassingtheelephantshesuddenlystopped.Confusedbythefactthatthesehugeanimalswerebeingheldbyonlyasmallropetiedtotheirfrontlegs.Nochains,nocages.Itwasveryclearthattheelephantscould,atanytimebreakawayfromtheirbonds(纽带).1.____________________Hesawatrainernearbyandaskedwhytheseanimalsjuststoodthereanddidn’twanttogetaway."Well."thetrainersaid,“Whentheywereveryyoungandmuchsmaller,weusedthesamesizeropetotiethemand,atthatage,itwasenoughtoholdthem.2._________________Theybelievetheropecanstillholdthem,sotheynevertrytobreakfree.”3.__________________Theseanimalscouldatanytimebreakfreefromtheirbonds,butbecausetheybelievedtheycouldn’t,theywerestuckrightwheretheywere.Humansgothroughtheirliveshangingontoabeliefthatwecannotdosomething,simplybecausewefailedatitoncebefore.5.________________Weshouldgiveourselvesachanceofhopebytryingtogetawayfromfailure.A.Theyjuststoodtherewithoutstruggle.B.Peoplecanbehavethemselvesastheelephants.C.Liketheelephants,howmanyofusbehavelikethem?D.Butforsomereason,theydidnotgetawayfromtheropes.E.Failureispartoflearningandweshouldnevergiveupinlife.F.Astheygrowup,theyareusedtobelievingtheycannotbreakaway.G.Themanwasamazedthatthethoughtofelephantschangestheirbehaviors.DFGCEV.短文填空naturepressreporthappenplentylittleenjoyassizeeatLifeisnoteasyasaJunior3student.Youhavethe36ofstudyandexams.Fromtimetotime,youmayfeeldepressed.Ifthat37,youhavetotakemeasurestofightit.38saltmighthelpyoucheerup,scientistshavefound.