沪教版-七-下Unit4-Save-the-trees-讲义加练习

1、沪教版七(下)Unit4Savethetrees知识点及拓展：1. savev.拯救拓展：1)救命、拯救生灵Shesavedthedog'slife.2) 节约、节省Itcansavewatertobuythiskindofwashingmachine.3) 储蓄、保存、积攒Inordertosavemoney,hemadeadeskbyhimself.2. discussv.讨论Let'sdiscusstheimportanceoftrees.拓展：discusswithsb.Let'sdiscusstheplanwithMr.Brown.3. argue,quarr

2、el,debate,discuss1) argue指提出理由或证据为自己一方的看法或立场辩护，着重说理、论证和企图说法。Weheardthemarguingintheotherroom2) quarrel指不友好的、吵吵嚷嚷的大声争论某事，尤其指吵嘴、吵架”。Heoftenquarrelsabouttheirhouseworkwithhiswife3) debate指意见对立的双方之间正式或公开的争辩。WhenIleft,themenwerestilldebating.4) discuss常用词，指就某一个或某一些问题表明观点、看法等，以便统一认识，解决问题。Weshoulddiscussth

3、eproblem.4. fightv.与斗争Theyhelpfightagainstpollution.拓展：fightagainst/withsb./sth.为某人/某事而争论/打架Haveyoufightwithyourbrotherjustnow?fightabout/oversth.因某事而争论Don'tfightaboutsmallthings.5. againstprep.反对Areyouagainstitorforit?6. examplen.例子Writedownthreeexamples.拓展：1)表示给某人举例，一般用give。Giveanexample.2) se

4、tanexampletosb.给某人树立一个榜样。Hesetagoodexampletous.3) forexample例如，用作插入语。He,forexample,isagoodstudent.7. harmfuladj.有害的Theytakeinharmfulgasesfromtheair.拓展：1)beharmfulfor(doing)sth.对某物有害It'sharmfulforyourhealth.2)beharmfultosb.对某人有害It'sharmfultoyou.8. producev.产生、生产Thismachinecanproduceoxygen.拓展：

5、1)produceby+生产者Thesetableswereproducedbyhim.2)producefrom+生产地ThesetableswereproducedfromShanghai.9. majoradj.主要的拓展:majorin主修(学科)ImajorinEnglish.10. furnituren.家具Theroomhadlittlefurnitureinit.拓展：furniture属表总称的物质名词(集合名词)，没有复数形式，也不和a/an连用，含义上永远是单数。若要表示量"，则可以用much,little,alittle,alotof,lotsof等修饰，但不

6、能用many,few,afew修饰。11. carryv.搬运、扛、背拓展：bring/take/carry/get区别bring意思为拿来”、带来”。指将某物或某人从别处带来”。Bringmethebook,please.take意思是拿走”，粉”，把某物或某人从这里带来”或拿到”某处之意。Itlookslikerain.Takearaincoatwithyou.carry是的、搬运、携带”的意思，指随身携带，有背着、扛着、抱着、提着的含义，不表明来去的方向。Doyoualwayscarryahandbag?get是去某处将某物拿回来。Thereisnowaterinthebottle.Wh

7、ynotgetsome?12. asaresult（最终）结果Hewonthegameasaresult.拓展:asaresultof由于Hewaslateasaresultofthesnow.13. thenumberof&anumberof区另1Jthenumberof的数量，后面用可数名词复数，但谓语动词用单数。Thenumberofstudentsinourclassis55.anumberof许多，相当于many修饰可数名词复数，做主语是，谓语动词用复数。Anumberofstudentsareplantingtreesonthehill.14. doone'sbes

8、ttodosth.尽某人最大的努力做某事=tryone'sbesttodosth.Wemustdoourbesttoprotecttheair.=Wemusttryourbesttoprotecttheair.15. inmanyways用许多种方法Theyhelpusinmanyways.拓展：in的用法：1）表示时间，意为在后"，常用于将来时或含有将来意味的句子中。I'llbebackinanhour.2）表示地点、位置、范围、空间等。Lookthereisaholeinthewall.3）表示方式、手段、材料、语言等，意为用"。Canyouanswer

9、myquestioninEnglish?16. infact实际上、事实上Infact,Ilikeyourpicture.17. getv.得到拓展：1）getsb.sth.为某人弄到某物Couldyougetmeanewpen?2）get+adj.Insummeritdoesn'tgetdarkuntilafter7o'clock.18. lookaround四下观望，环顾Lookaroundthisroom.拓展：look相关短语（I）lookafter照看，照料lookfor寻找（3）lookaround环顾四周（4）lookbackon回想，回顾（5）lookdowno

10、n看不起（6）lookforwardto盼望（7）lookinto朝里面看（8）lookon.as把某人看作（9）lookout当心（10）lookover仔细检查；翻阅（II）lookthrough浏览；仔细检查（12）lookup抬头看；查;找出Grammar现在进行时现在进行时表示1、现在（说话的瞬间）正在进行或发生的动作，强调此时此刻"。E.g.Heisreading.Theyaretalkingnow.2、当前一段时间内的活动或现阶段正在进行的动作。E.g.Theyareworkingthesedays.3、某些动词的现在进行时，表预定的计划或即将发生的动作。E.gIamc

11、oming.其结构为be+现在分词.现在分词的变法为:(1) 一般动词直接加-ing如：sing-singingeat-eating(2) 如以不发音的e结尾，先去掉e再加-ing如:exist-existingcome-coming(3) 以重读闭音节结尾，且末尾只有一个辅音字母(x除外)的动词先双写末尾辅音字母，再加-ing.如:win-winningbegin-beginning但:mix-mixingkick-kickingexplain-explaining专项训练：写出下列动词的现在分词形式studyworkhavedancesitmixrunplayswimstudywritef

12、itsingshoplisten单选：1、Look!Hetheirmotherdothehousework.A. ishelpingB.arehelpC.ishelpD.ishelpping2、aretheboysdoing?Theyaresingingintheroom.A.WhoB.HowC.WhatD.Where3、Don'ttalkhere.Mymother.A.issleepingB.aresleepingC.sleepingD.sleep4、Danny.Don'tcallhim.A.iswriteingB.iswritingC.writingD.writes5、-W

13、henheback?-Sorry,Idon'tknow.A.does,comeB.arecomingC.iscomeD.iscoming填空1、It'steno'clock.Mymother(lie)inbed.2、Whathe(mend)?3、We_(play)gamesnow.4、Whatyou(do)thesedays?5、he(clean)theclassroom?6、Who(sing)inthenextroom?7、Thegirl(like)wearingasweater.Look!She(wear)aredsweatertoday.句型转换1.Theyare

14、playingbasketballnow.(变一般疑问句)playingbasketballnow?2. Thebabyissleeping.(变否定句)Thebabysleeping.3. TheyarewatchingTV.(划线提问)they?4. Don'tworry.Hewillcometoseeyouthisafternoon.(变同义句)Don'tworry.Hetoseeyouthisafternoon.5. Theworkersareatworknow.（变同义句）Theworkersnow.Reading一、根据句意和所给的首字母完成下列句子。1. Hecl

15、imbedupthetreetogetbackthekiteamongtheb.2. Wejointhearmybecausewewanttofforourcountry.3. Beforewemoveinournewhouse,weneedtobuysomef.4. Canyouiwhattheworldwouldbelikewithoutwater?5. Thelittlefactoryptwomillionpencilseveryday.二、语言知识运用。1、Thedoctorgavehimsomepillstothepain.A.takeoffB.takeinC.takeonD.tak

16、eaway2、Dosomesportseveryday.Itwillhelpyoukeep.A.healthyB.healthilyC.kindlyD.excitedly3、Therearepeoplehereinourcity.Actually,therearepeoplehereinourcity.A.Millionsof;threemillionB.Millionsof;millionsC.millionsof;threemillionofD.Millionof;threemillionof4、Whattimeisitnow?Itis20:00.Ithinkweshouldstopfir

17、st.A.havingsupperB.havesupperC.tohavesupperD.tohavingsupper5、Iboughtfurniture.Really?What?A.anew;isitmadeofB.anew;doesitmadeofC.anewpieceof;isitmadeofD.anewpieceof;doesitmadeof6、Lookatthisoldbridge!Itismadestones.A.fromB.ofC.intoD.Up7、Itheswimmingclubifyouit.A.join;joinB.willjoin;joinC.join;willjoin

18、D.willjoin;willjointseeanyone.8、Heheardsomeonecallinghisname,sohestoppedand.ButhecouldnA.lookedaroundB.lookedupC.lookedintoD.lookedfor9、wecan'tlivewithouttrees.Theymakeourlives.Iagree.Weshouldstoppeopletrees.A.convenient;tocutdownB.conveniently;tocutdownC.convenient;cuttingdownD.conveniently;cut

19、tingdown10、thelittledoghelpshisownermanywayshisdailylife.A.in;atB.on;inC.in;inD.on;on三、根据中文提示完成下列句子。1、事实上，他是一个好人。,heisagoodman.2、许多家具是由木材做成的。Alotofwood。3、作家们的灵感许多都来源于他们的日常生活。Mostofthewriters'ideastheir.4、换掉你的热水器，否则你将会吸入过量的有害气体。Changeyourwater-heater,youwilltoomuch.5、如今，许多女性都能兼顾事业和家庭，例如Jane就是其中的一

20、位。Nowadays,manywomenhaveacareerandafamilyJane单元测试一、语言知识及运用。（共三节，满分3分）第一节语音（每小题1分，共10分）A、找出下列单词中划线部分的发音与其他不同的单词。11、A.skateB.skyC.task_D.skirt12、A.airportB._tickC.test_D.step13、A.pointB.spreadC.pressD.crisp_14、A.carry_B.pineC.flyD.diet15、A.agajnstB.rajnC.containerD.remainB.从卜列选项中找出重首与其他不问的一项。16、A.help

21、fulB.rescueC.towelD.discuss17、A.diseaseB.addressC.perfectD.prefer18、A.finishB.greetingC.majorD.produce19、A.oxygenB.exampleC.anywhereD.probably20、A.appearB.programmeC.patientD.bottom第一节单项选择（共10小题，每小题1分，满分10分）21、Besilent!Someone_!Canyouhearit?A.singsB.sangC.issingingD.willsing22、Theskytonightisreallyb

22、eautiful.Youcanseestarssmilingtoyou.A.3thousandsB.3thousandsofC.3thousandofD.thousandsof23、Ican'tdecidewhichdresstobuy.Canyouhelpme?Ofcourse!Itheblueonebest!A.likesB.likeC.amlikingD.isliking24、thehelpofJohn,littleTomstops.Sowecanenjoyourbooksnow.A.With;cryingB.On;cryingC.With;tocryD.On;tocry25、W

23、henthereisafire,don'tforgettogetawettowelsothatyouwon'ttoomuchCO2.A.getinB.makeinC.putinD.takein26、Youarereallybusy!Yes,Imustfinishtheworknextweek.IforLondonnextweek.A.leaveB.amleavingC.leftD.leaving27、Whathappenedtoyourmother?Sorry,dad.Imadeherjustnow.A.angryB.angrilyC.happyD.happily28、Thed

24、eadteacheraskedboystocleanthemeetinghall.A.anumberB.thenumberofC.anumberofD.thenumberof29、Canyoubelievethathegetssomuchmoneyrubbish?A.withcollectingB.bycollectingC.ofcollectingD.bycollect30、WillyougotowatchthenewmoviethisSunday?Igotowatchitifitstopraining.A.don't;won'tB.don't;don'tC.

25、won't;won'tD.won't;doesn't第三节语法选择（共10小题，每小题，满分10分）AChineseman31CaiLuninventedpaperalmost2,000yearsago.Hemadepaper32wood.Hethenputallthepapertogetherandmadethepaper33abook.Nowwestillusewoodtomakepaper.Weusealotofpapereveryday.Ifwekeepon34somuchpaper,therewillnotbeanytreesleftontheeart

26、h.If35notrees,therewillbenopaper.Everyday,people36about2,800tonsofpaper.Weuse17treestomakeonetonofpaper.Thismeanswearecuttingnearly48,000treeseveryday.Sinceit37morethan10yearsforatreetogrow,wemuststartusing38papernow.Sohowcanwesavepaper?Wecanusebothsidesof39paper,especiallywhenwearemakingnotes.Wecan

27、choosedrinksinbottlesinsteadofthoseinpaperpackets.Wecanalsousecottonhankerchiefs（手帕）butnotpaperones.Whenwegoshopping,wecanusefewerpaperbags.Iftheshopassistantgivesusapaperbag,wecansaveitandreuseitlater.Everyonecanhelptosavepaper.Ifweallthinkcarefully,wecanhelp40trees.Butweshoulddoitnow,beforeitistoo

28、late.31.A.callB.callsC.calledD.calling32.A.fromB.ofC.intoD.for33.A.fromB.ofC.intoD.for34.A.wasteB.towasteC.wastedD.wasting35.A.therewillbeB.thereareC.therewasD.therewasn36.A.takeinB.putonC.throwawayD.putaway37.A.spendsB.takesC.costsD.pays38.A.manyB.fewC.fewerD.less39.A.aB.apieceC.onepieceD.many40.A.

29、protectB.protectsC.protectingD.toprotecting三、完形填空Youmaythinkthereisonly41inthedesertoftheworld.However,itisnottrue.Inthedesert,asweknow,thereisalittle_42,butitisnotgoodenoughformostplants.Stillwecanseesomeplantsliveinthedesert.Thereis43insomeplacesinthedesert.Wecalltheseplacesoases（绿洲）。Intheoases,th

30、erearevillagesandtowns.Peoplegrowallkindsof44inthefieldsthere.Peoplealsoliveoutsidetheoases.Theyhavecamels,sheepandotheranimals.45aretheseanimals'foodandtheydonotneedmuchwater.The46areusefultothedesertpeopleinmanyways.Theyeatthemeatanddrinkthemilkoftheanimals.Theyusethe47forcarryingwater,food,te

31、ntsandsomethingelse.Thepeopleofthedeserthavetokeepmovingfromplacetoplace.Theymustalways_48grassordesertplantsfortheiranimals.Whenthereisnomore49fortheiranimals,theymovetoanotherplace.Thedesertpeopleare50.Nomaninthedesertwouldeverrefusetohelpthepeopleintroubleandgivethemfoodandwater.41、A.treeB.stoneC

32、.sandD.plant42、A.rainB.windC.sunshineD.snow43、A.stonesB.waterC.plantsD.wood44、A.cropsB.treesC.animalsD.fish45A.CropsB.SmallanimalsC.TherainD.Desertplants46A.animalsB.grassC.waterD.crops47A.dogsB.horsesC.elepantsD.camels48A.lookafterB.lookforC.lookupD.lookout49A.foodB.waterC.weatherD.land50A.happyB.u

33、glyC.friendlyD.dark四、阅读理解（共10小题，每小题2分，满分20分）Cantreestalk?Yes-butnotinwords.Scientistshavereasontobelievethattreesdocommunicatewitheachother.Notlongago,researcherslearnedsomesurprisingthings.Firstawillowtree（杓P树）attackedinthewoodsbycaterpillars（毛毛虫）changedthechemistryofitsleavesandmadethemtastelessso

34、thatthecaterpillarsgottiredoftheleavesandstoppedeatingthem.Theevenmoreastonishing,thetreesentoutaspecialvapor-asignalcausingitsneighborstochangethechemistryoftheirownleavesandmakethemselvestastealsoterrible,too.Talking,ofcourse,doesn'tneedtobealwaysinwords.Wecantalktoeachotherbysmiling,raisingou

35、rshouldersandmovingourhands.Weknowthatbirdsandanimalsuseawholevocabularyofsongs,soundsandmovements.Beesdancetheirsignals,flyingincertainpatternsthattellotherbeeswheretofindnectar（蜜）forhoney.Soshyshouldn'ttreeshavewaysofsendngmessages?（173words）51、fromthepassage,whichkindofleavesdon'tcaterpil

36、larseat?A.leaveslyingontheground.B.leaveshavinganunpleasanttaste.C.leavesbeesdon'tlike.D.leaveshavinganunfamiliarshape.52、thewillowtreedescribedinthepassageprotecteditselfby.A.growingmorebranchesB.talkingwithbirdsandbees.C.changingitsleafchemistryD.shakingcaterpillarsoff53、accordingtothepassage,

37、thewillowtreewasabletotalkwithothertreesby.A.WavingitsbranchesB.givingoffaspecialsmellC.droppingitsleavesD.changingthecolourofitstrunk54、Accordingtothepassage,beestalkby.A.makingspecialmovementsB.touchingoneanotherC.smellingoneanotherD.makingunusualsounds55、whatdoestheauthorthinkabouttheideathattree

38、scantalk?A. itisnottrueatall.B.onlyafewpeoplebelieveit.B. ThescientistsmadesomemistakesD.Itseemsveryreasonable.Chinaisthebestbirthplaceoftea.Nowdays,anincreasingnumberofforeinersareinterestedinteaandtheteaculture.Drinkingteaisgoodforourhealth.Herearesometipsfortealovers.GreenTeaisthebestchoiceforoff

39、iceworkersPeoplewhoworkinplaceswithairconditioningmayfaceskinproblems.Theyareeasytogetdryskin.However,greenteacanhelpyousolvethisproblem.Besides,greentea,likemakeup,canpreventcomputerradiation（辐射）.WinteristheseasontodrinkBlackTeaManychinesepeoplebelievethatdifferentpeopleshoulddrinkdifferenttea.Blac

40、kteacanwarmthestomach,refreshthemindandacceleratedigestion（加速丫肖化）.Therefore,drinkingwarmblackteainthecoldwinterisamostsuitablechoice.DonotdrinkthickteaStrongteamaytakethehumanbodymuchtooexcitedandcandosomethingbadtoyourcardiovascularandnervoussystem（兀、血管和彳申经系统）.Apersonmaygetheartorbloodproblemsifhedrinkstoomuchstrongtea.Donotdrinktoomuchteawheneating56. Drinkingtoomuchteaorstrongteacanstopyourbodyfromtaking