中考英语 重点难点梳理 九下 Unit 3-4课件.ppt

教材重点难点梳理,九年级(下)Unit3Unit4,广州中考高分突破,重难点梳理.一、重点单词(下面为常考、常用的单词。请同学们认真复习，扩大词汇量。)Unit31.担心；忧虑_2.大气层_3.温度；气温_4.猜测_5.环境保护的；赞成环境保护的_6.无生命的；无生物生长的_7.燃料_8.煤_9.结果_,concern,atmosphere,temperature,guess,green,lifeless,fuel,coal,result,10.（使）增长；增多；增加_11.摧毁；毁灭_12.自然界；大自然_13.表面；表层_14.土壤_15.洪水；水灾_16.习惯_17.正确的；恰当的_18.无害的_19.回收利用_20.目的；用途_21.解决办法；处理手段_,increase,destroy,nature,surface,soil,flood,habit,proper,friendly,recycle,purpose,solution,22.政府_Unit41.地震_2.（使）灌满水，淹没_3.严重地；厉害地_4.活着的；在世的_5.水坑；水塘_6.物体；物品_7.长途汽车_8.通过_9.电话路线_10.（因为缺点）不运行的；不转动的_,government,earthquake,flood,badly,alive,pool,object,coach,pass,line,dead,11.老板_12.聋的_13.盯着看；凝视；注视_14.屏幕；荧光屏_15.看（听）到；注意到，意识到_16.（使）醒来_17.立即；马上；即刻_18.失踪的_19.同类的；同伴的_,immediately,boss,deaf,stare,screen,notice,awake,missing,fellow,二、重点短语(请同学们重点掌握下面的短语，做到活学活用。完形填空、完成句子等题型经常会考查大家对短语的掌握。)Unit31.温室效应_2.在危险中_3.由于_4.导致；造成_5.许多；大量_6.采取行动_7.有作用；有影响_8.充当_,asaresultof,greenhouseeffect,indanger,resultin,mountainsof,takeaction,makeadifference,actas,9.海平面_10.楷模；行为榜样_Unit41.自然灾害_2.通过；经过_3.持续；坚持_4.闲坐_5.不愿为花时间_6.不被理睬_7.盯着看_8.惊讶地_9.暂时_10.救生包_,havenotimetodo,sealevel,rolemodel,naturaldisaster,passby,stickwith,sitaround,fallondeafears,stareat,insurprise,fornow,survivalbag,三、重点句型(熟练掌握并运用句型是学好英语的基本要素之一，要做到熟能生巧就必须大量地练习。请同学们熟练掌握下面的句型。)1.Thismeansthatweshouldonlybuyanduseproductsfriendlytotheenvironment.这意味着我们应该只购买并且只使用对环境有益的产品。句型：This/That/It+means/meant+that.,表示“意味着”。它的否定句式是：This/That/It+doesnt/didnt+mean+that.,表示“并不意味着”。翻译：Shewasnotathome,but_（这并不意味着）shewenttoShanghai.2.1)Itwasnineoclockinthemorning.是在早上的九点钟。,it,didntmeanthat,2)Itissummernow.现在是夏天。3)Itrainedallday.雨下了一整天。4)Itisonlyafiveminutewalkfrommyhometotheschool.从我家到学校步行只有5分钟的路程。句型：It用作形式主语。以上四句分别是：1)it指代时间。2)it指代季节。3)it指代天气。4)it指代距离。翻译：1)现在是早上10点。_2)今天刮风了。_3)去到最近的车站要走10分钟。_3.Itsimportanttostickwithit.坚持很重要。句型：我们也能用it作一个句子的形式主语来替换动词,Its10inthemorning.,Itiswindytoday.,Itis10miniteswalktothenearestbusstop.,不定式。这句话可以替换成Tostickwithitisimportant.另外，以下两句也是用it作形式主语：1)Itseemedthattheydidnotwanttoleave.似乎他们都不想离开。2)Insurprise,peoplefinallystartedtonoticetheflood,butitwastoolate.最后，人们很吃惊地注意到洪水，但是太晚了。4.其他好用的常用的句型：1)Jerryusesthesameamountofelectricityashisneighbourdoes.杰瑞的用电量和他的邻居一样。2)Everyonehopesthattherewillneverbeanothericestormliketheonein1998.每个人都希望不会再有像1998年那样的冰暴。,巩固练习一、语法选择Pollutionmeans1dirtyorharmfulthingstoland,air,waterandsoon.Pollutionisbadforanimalsandplants,anditevenmakespeoples2indanger.Inourdailylife,wecan3differentkindsofpollutioninmanyplaces.There4threemainformsofpollution:landpollution,airpollutionandwaterpollution.Landpollutioniscaused5solidwaste,suchascans,bottlesandsomeplasticthingswhicharentbrokendownquickly.Itmakestheenvironment6verybad.However,airpollutionismoreseriousthanlandpollution.Itismuch7incitiesandtownsbecauseofthefumes(废气)fromtrafficandthewastefromhuman,activities.Afterthegases8intotheair,theymaymixwithclouds.Thentheywillbecomesomeharmfulchemicalsfallingonthegroundwithrain.Itisoneofthereasonsforsoilerosion(土壤侵蚀)which9oneexampleofwaterpollution.Variouskindsofpollutionwillcausemanyhealthproblems.People10theymustchangethisserioussituation.Herearemanywaystocontrolpollution.11alternativeenergy(替代能源)isverypopularinmanycountries.China,forexample,hasmadeup12mindtobealeaderinthisfield.Itistrying13tomakefulluseofenergyfromthesunandwind.It14plentyofmoneytomakeelectriccarsandtrainsinsteadoftraditionaltraffic.Weshouldalsotakeactiontomakeourenvironment,15.Takeclothbagswhilegoingshoppinganddrivecarsless.Wehaveonlyoneearth.Wemusttakesmallstepsnowtohelpprotectourenvironmentforthefuturewhereverweare.()1.A.addB.toaddC.addingD.adds()2.A.healthB.healthyC.healthierD.healthiest()3.A.seeB.toseeC.seeingD.sees()4.A.isB.areC.wasD.were()5.A.byB.withC.ofD.for()6.A.lookB.lookingC.lookedD.tolook()7.A.badB.badlyC.worseD.worst,C,A,A,A,A,B,C,()8.A.getB.getsC.gotD.getting()9.A.wasB.wereC.isD.are()10.A.realizeB.realizedC.realizesD.haverealized()11.A.DevelopB.DevelopsC.DevelopingDeveloped()12.A.itB.itsC.itsD.itis()13.A.hardlyB.hardC.harderD.almost()14.A.payB.paysC.paidD.haspaid()15.A.cleanerandcleanerB.cleanandcleanC.moreandmorecleanD.morecleanerandmorecleaner,C,D,A,C,B,B,D,A,二、完形填空WhenJulycomes,childrenknowtheyllhavetheirexaminationsandtheschoolyearwillendsoon.Boysandgirlswill1anearlytwomonthsholiday.Andtheyll2schoolbytrainorbycarto3toseetheirfathersandmothers.Thesummerholidaysarethe4timeoftheyearformostchildren.Theweatherisusuallygood,soonecan5mostofhistimeplayingoutside.Ifonelivesinthecountry,hecan6intothewoodsandinthefields.Ifonelivesinabigtown,hecanusuallygotoaparktoplay.Thebestplaceforasummerholidayisthe7.Somechildrenare8enoughtolivenearthesea.Butforthe,otherswhodonot,iftheyhavethechancetostayatoneofthebigseasidetownsforaweekortwo,theywilltalkaboutitallthefollowingschoolyear.Now,whatmakeschildrenliketheseasidesomuch?Ithinkitisthe9,theseaandthesun,notanythingelse.Ofcourse,therearelotsofnewthingstosee,nicethingstoeat,andinterestingthingstodo.Butthefeelingofsandundertheirfeet,ofsaltwaterontheirskin,andthefeelingofthewarmsunontheirbacksmakethem10.()1.A.holdB.haveC.goonD.make()2.A.gettoB.leaveC.leaveforD.travelto()3.A.gototownB.gototheparksC.leavehomeD.returnhome,B,B,D,()4.A.bestB.betterC.worstD.worse()5.A.takeB.useC.spendD.waste()6.A.gooutB.goonC.gobackD.goaway()7.A.villageB.seasideC.cityD.park()8.A.luckyB.sadC.worriedD.quiet()9.A.treeB.moonC.seashellD.sand()10.A.happierB.angrierC.sadderD.healthier,A,C,A,B,A,D,A,三、阅读理解Endangered(濒临灭绝的)mountaingorillas(大猩猩)areclosetohumans.Overthepastyears,peoplehavemadeagreatefforttohelpthem.Andnow,theresultsaregood.AccordingtothenewinformationreleasedbytheWorldWildlifeFund,thenumberofmountaingorillashasrisenfrom786to880inthelasttwoyears.However,theyarestillendangered,thisincreaseislargelybecauseoftheactionsofconservationists(保护主义者).In2000,thenumberofmountaingorillaswasonly320.Thelownumberwasaresultofillegalhunting,habitatlossanddisease.Sincethen,thenumberhasrisen,butslowly.MountaingorillasliveinRwanda,Uganda,and,DemocraticRepublicofCongoallcountriesincentralAfrica.Toprovidethemwithmoreprotectionandcare,nearlyhalfofthegorillasliveinanationalpark.BwindiImpenetrableNationalPark,inthenorthernpartofRwanda,ishometo400mountaingorillas.Mountaingorillasliveingroups.Thereareabout30gorillasineachgroup.Theleaderisanoldermale.Thismalecanweighupto500poundsandbenearly6feettall.Oftenhewillhavesilverhaironhisback,markinghisoldageanddominance(权势)withinthegroup.Likeothers,gorillasdependononeanother.Butnow,theyaredependingonhumanstohelpkeepthemalive.,()1.Theunderlinedword“release”means_inChinese.A.隐藏B.收到C.发现D.发布()2.Whichofthefollowingisntthereasonwhytherearesofewmountaingorillas?A.Lessfood.B.Disease.C.Illegalhunting.D.Lossoflivingplaces.()3.Nearlyhalfofthemountaingorillaslive_.A.inaforestB.inthemountainsC.inaparkD.inariver,D,A,C,()4.Whatcanweinferfromthepassage?A.Wehumanscanbegorillasleaders.B.Inagroup,thetallestgorillamustbetheleader.C.Therewillbeabout1,400mountaingorillasin2025.D.Maybemanygorillaswontbeusedtothewildlifeinthefuture.()5.Whatsthemainideaofthepassage?A.Weneedtolearnmoreaboutmountaingorillas.B.Conservationistsaregoodfriendsofmountaingorillas.C.Thenumberofmountaingorillasisrisingwiththehelpofhumans.D.Weshouldtryourbesttoprotectmountaingorillasthatareinthewild.,C,D,四、阅读填空阅读下列短文，从短文后的五个选项中选出能填入空白处的最佳选项。Zhalongisanaturereserve(自然保护区)inHeilongjianginnortheastChina.Itisoneoftheworldsmostimportantwetlands.Itisagoodhomefordifferentkindsofplants,fishandbirds.ManybirdslivecomfortablyinZhalongNatureReserveallyearround.1._.Therearemanyfishinthewetlands,andthebirdscaneasilycatchthemforfood.Somepeoplewanttochangethewetlandstomakemorespaceforfarmsandbuildings.2._.Moreandmorebirdsareindangerbecausetheydonothaveenoughlivingspace.3._.Weshoulddosomethingtoprotectbirdsnow.,B,E,D,ThisyearmembersofourBirdWatchingClubaregoingtostudythedifferentkindsofbirdsinZhalongandthechangesintheirnumbers.Thestudybeginsnextmonth.Wedoabirdcountonceayear.Wearenowinvitingsecondaryschoolstudentstohelp.4._.Manypeopledonotunderstandtheimportanceofthewetlands，somepeopledontknowhowtoprotectthebirds.5._.Thentheywillactively(积极地)takeactiontoprotectwildlife.,C,A,A.Weneedmorepeopletohelpuscountanddosomethingtohelpthebirds.B.Somebirdsonlystayforashorttime.C.Wehopethisinformationwillhelpthemunderstandbetter.D.Manyofthemdied.E.Thismeansthattherewillbelessandlessspaceforwildlife.,五、单词拼写1.Thepopulationhasi_from1,000,000to3,000,000.2.Althoughthebridgewasmadeofstone,itwasbadlydamagedbythef_.3.IamsorrytohearthatJimsfathe