上海教育版七年级英语下册Unit4单元基础过关课件

Module2

Man'sbestfriendsUnit4

Savethetrees单元基础过关一、用所给单词的适当形式填空1.Whenhewasakid,healways________(fight)withhisclassmates.2.Treescan________(product)oxygen.3.Thesegasesare________(harm)toourbodies.4.Nowadaystravellingis________________(convenient)thanbefore.foughtproduceharmfulmoreconvenient5.Thedarksmokefromthefactorieswillleadtoair________(pollute).6.Animalsareourfriends.Wemustdoourbest________(save)them.7.Wehavemanyideasafterthe__________(discuss).8.__________(million)ofstudentsgoabroadtostudy.pollutiontosavediscussionMillions9.Peopledestroytheforestby________(cut)downmanytrees.10.Manytreeswerecutdownsothereweremany____________(branch)everywhere.cuttingbranches二、根据汉语意思完成句子，每空一词1.我住在中古路。确切地说，离你家不远。IliveonZhongguRoad.________________,it'snotfarfromyourhome.2.由于下雨,我们不能去野餐了。________________therain,wecan'tgoonapicnic.InfactBecauseof3.我们正在尽力说服他。Weare________________________toconvincehim.4.这片森林是鸟儿们的家。Thisforestis________________birds.5.黄瓜对缓解眼睛疲劳很有用。Cucumbers________________________soothingtiredeyes.doingourbesthometoaregoodfor

三、完形填空

Plantingatreeisn'tas____1____asjustdiggingaholeandthrowingthetreeinit.Ifyouwantthe____2____togrowup,here'swhattodo.

●Choosethe____3____timeoftheyearforplantingatree.Donotplantinlatespringorsummer____4____itwillbetoohotandmaycauseittodie.Thebesttimetoplantatree

is____5____orearlyspring.

●Choosearighttreeforthearea,climate

(气候)andspace.____6____andfindoutwhattreesaregrowingwellinyourarea.Usuallyit'sbettertochooseoneofthem.

●Selectahealthytree.

●Decidewhereyouwantthetreetogrow.

●Preparethehole.Takeasuitableshovel

(铁铲)anddigaholethatis2～3times____7____thantherootball,notjustenough,soitwillfit.Thisletstherootsgrowbetter.

●Putthetreeintotheholegently.Besuretheholeisn'ttoodeeportooshallow.Thegroundlevel(水平面)oftheplantinthepotshouldmatchupwiththegroundlevelafteryoufillthe____8____in.

●Waterthe____9____plantedtree.Water4litres(公升)foreverysixinches(英寸)ofthetree.

●Mulch(护根).Filltheplantingholewith3inchesofleafmulch.

●Wateritagain.Aftertheplantingisfinished,comebackinaboutanhourandwateronemoretime.

____10____thetreeasitgrowsovertheyearswithyou,yourfamilyandfriends.Appreciate(欣赏)itsshadeandbeautyandthankyourselfforaddinganothertreetotheworld.(

)1.A.late

B.easy C.hard

D.slow(

)2.A.tree

B.grass

C.flower

D.animal(

)3.A.bad

B.wrong

C.right

D.convenient(

)4.A.because

B.so

C.and

D.if(

)5.A.autumn

B.winter

C.summerD.spring(

)6.A.Lookafter

B.Lookaround

C.Lookat

D.LookoutBACAAB(

)7.A.smaller B.longer C.biggerD.thinner(

)8.A.tree

B.hole

C.rootD.ground(

)9.A.lovely B.newly

C.lonely

D.friendly(

)10.A.Listento

B.Talkto

C.Askfor

D.TakecareofCBBD四、阅读理解(一)

Mostofusthinkplantsaretoosimple.Theycan'tthinkormakeplanslikehumans.Dotheyreallystaytherewaitingtobeeaten?No,someofthemareactuallymoreamazingthanwecanimagine.Scientistsfindthatsomeplantscancontrolinsects.

Plantscantrytofinddifferentwaystoprotectthemselvesfromdifferentkindsofpests(害虫).Whensomethingistryingtoeatthem,theycansummonthepest'senemy(敌人).

Takethecommontomatoesforexample.Ifpestsareeatingthem,theycangiveoffakindofsmokeasasignaltocalllotsofparasiticwasps(寄生蜂)tocomeandfightthepestsoff.Thetobacco(烟草)plantalsocallsforhelpfromnearbyinsectstodrivepestsaway.

Wait!Plantsdon'tevenhavebrains.Howdotheyknowwhetherthey'rebeingeaten,andwhomtheyareeatenby?

Scientistsbelievethatplantscanfeelthedigestivesubstances(消化物)whichpestsleaveontheirleavesorfruit.Differentplantssetoffdifferentchemicalalarms,whichcalloutdifferentkindsofhelptoprotectthemselves.

Plantsalsocontrolinsectsforhoneyorfruit.Someflowerscanproduceagreatsmellandthensomeinsectscancarrytheirseedssomewhereelseandhelpthemgrowsmallones.Sonexttimewhenyouthinkofplants,don'tconsidertheyaresimple.(

)1.Whatdoscientistsfindout?A. Plantscanmakeplanslikehumans.B. Plantscan'tbeeatenanymore.C. Plantsarehumans'friends.D. Someplantshavetheabilitytocontrolinsects.D(

)2.Whatdoestheunderlinedword“summon”mean?A.Call.

B.Leave.

C.Shout.

D.Stay.(

)3.Howdotomatoesusuallystoppestsfromeatingthem?A.

Theygiveoffdigestivesubstancestomakethepestsfeelafraid.B.

Theygiveoffanunpleasantsmelltokillthepests.C.

Theycallsomeparasiticwaspstofightthepestsoff.D.

Theyfightagainstthepestsbythemselves.AC(

)4.WhichofthefollowingisTRUEaccordingtothepassage?A. Plantsaremoreamazingthanotherlivingthings.B. Allplantscancontrolinsectstoprotectthemselves.C. Someplantscanaskinsectstohelpthem.D. Plantshavebrainstoknowwhomtheyareeatenby.C(

)5.Whydoesthewriterwritethepassage?A. Totellushowamazingsomeplantsare.B. Totelluswherewecanfindamazingplants.C. Todescribewhattheworldofplantsislike.D. Toexplainwhyinsectsliketohelpplants.A(二)

短文填空。以下是一则短文，请阅读短文，并从下列方框里的六个句子中选择五个还原到原文中，使原文的意思完整、连贯。A.Usepaperwisely.B.Springisthebestseasontoplanttrees.C.Throwsomebookswhenyoudon'tneedthem.D.Useclothtowelsinsteadofpapertowels.E.However,someofthemareindangerandneedtobetaken

careofasmuchaspossible.F.Trytowriteletterstogovernmentofficials(官员)and

persuade(劝说)themtouseaslittlepaperastheycan.Treesareimportantandtheycanhelpusinmanyways.____1.____Herearesomewaystosavetrees.____2.____Wecansavetreesbyusingpaperinarightway.Whatcanwedo?Usebothsidesofpaperwhendoinghomework.Borrowbookstoreadwhenyouneedn'tbuythem.Neverthrowoldbooksaway,butbekindtodonatethemtootherswhoneedthem.____3.____ADEBFPlanttrees.Tosavetrees,it'sagreatideatoplantthem.____4.____Ifeveryonearoundusdoesit,millionsoftreeswillappearandmakeourworldbecomegreenandbeautiful.Tellpeopletounderstandtheimportanceoftreesandhelpsavetrees.____5.____五、语法填空Doyoulikereadingbooks?Thendoyouknowpaper?Weusepaperalmosteveryday.Doyouknowwhoinvented(发明)paper?Hewas_1._______ChinesemannamedCaiLun.Hewashard-workingandcleverandhe_2._______(make)paperinAD105.Hispaperwasdifferent_3._______today'spaper.Hispaperwasmadefromtrees,fishnet_4._______otherthingsamadefromandatthattime.Nowadaysweusemuchpaper.Paper_5._______(be)veryimportantinourdailylives.Weusetreestomakepapertoday.Andittakesayoungtreealotofyears_6._______(grow)intoabigtree._7._______nowtreesbecomefewerandfewer.Whatcanwedotoprotecttrees?Wemustsavepaper.Forexample,wecanuseboth_8._______(side)ofeverypieceofpaper.Wecanreuse(再使用)istogrowButsidesournotebooks.Wecanuseglasscupsinsteadofpapercups.Wecanalso_9._______(useful)clothtowelsinsteadofpapertowels.Ifeveryonedoesthesethings,moretreeswillbesavedandourenvironmentwillbecomenotonly_10._______(clean)butalsomoreandmorebeautiful.usecleaner六、书面表达地球是我们的家园，我们应该保护地球，请你根据下面的内容要点,以“HowtoprotectourEarth”为题，写一篇短文说明如何保护地球。要点：1.提出保护地球的措施；2.呼吁大家保护地球。提示词：1.垃圾rubbish2.垃圾箱bin3.塑料袋plasticbags要求：1.80词左右，开头已给出，不计入总词数内；2.文中不得出现真实姓名和校名；3.可适当增加细节，以使条理清楚，行文连贯；4.标点正确，书面整洁。HowtoprotectourEarthTheEarthisourhome,andweshouldprotectit.

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