深圳牛津英語(yǔ)七年級(jí)英語(yǔ)下冊(cè)第四單元 第一課時(shí)

深圳牛津英語(yǔ)七年級(jí)英語(yǔ)下冊(cè)第四單元第一課時(shí)深圳牛津英語(yǔ)七年級(jí)英語(yǔ)下冊(cè)第四單元第一課時(shí)深圳牛津英語(yǔ)七年級(jí)英語(yǔ)下冊(cè)第四單元第一課時(shí)資料僅供參考文件編號(hào)：2022年4月深圳牛津英語(yǔ)七年級(jí)英語(yǔ)下冊(cè)第四單元第一課時(shí)版本號(hào)：A修改號(hào)：1頁(yè)次：1.0審核：批準(zhǔn):發(fā)布日期：Unit4Savethetrees(第一課時(shí))一、核心詞匯1.savev.拯救2.pinen.松樹(shù)3.discussv.討論4.branchn.樹(shù)枝5.rootn.根6.fightv.與……作斗爭(zhēng)7.againstv.反對(duì)8.examplen.例子9.harmfuladj.有害的10.gasn.氣體11.producev.產(chǎn)生12.oxygenn.氧氣13.majoradj.主要的14.convenientadj.方便的15.furnituren.家具16.imaginev.想象17.diseasen.疾病18.digv.挖19.holen.洞20.carryv.搬21.containern.容器二、重點(diǎn)短語(yǔ)1.fightagainst對(duì)抗，與...作斗爭(zhēng)2.helpsb.dosth.幫助某人做某事3.knowabout知道，了解4.inmanyways在很多方面，多角度5.takein吸收，理解6.comefrom來(lái)自（befrom）7.forexample例如8.infact事實(shí)上，確切地說(shuō)9.lookaround環(huán)顧四周10.(be)madeof由……制成11.millionsof大量的12.(be)goodfor對(duì)……有好處三、基礎(chǔ)知識(shí)點(diǎn)1.IfIplantthisseedintheground,willitbecomeapeartree,Hi?(1)if引導(dǎo)條件狀語(yǔ)從句時(shí)，意為“如果”。主句（包括祈使句和含有情態(tài)動(dòng)詞can，may，must等的句子）用一般現(xiàn)在時(shí)，從句也用一般現(xiàn)在時(shí)；主句用過(guò)去時(shí)，從句也用過(guò)去的某種時(shí)態(tài)；如果主句是一般將來(lái)時(shí)，從句要用一般現(xiàn)在時(shí)表示將來(lái)。Eg:Wewillgooutifitisfinetomorrow.Youmustseeadoctorifyouareill.a不定冠詞，意為“一（個(gè)……）”，用在以輔音音素開(kāi)頭的單數(shù)可數(shù)名詞前；在以元音音素開(kāi)頭的單數(shù)可數(shù)名詞的前面要用不定冠詞an。不定冠詞a/an常放在單數(shù)可數(shù)名詞前，表示一個(gè)不確定的事物或人。其用法如下：第一次提到某人或某物時(shí)，用不定冠詞。Eg:You'dbettergotoseeadoctor.表示某一類(lèi)中的任何一個(gè)，是泛指。Eg:Adogisausefulanimal.表示“一”的數(shù)量，但數(shù)的概念沒(méi)有one強(qiáng)烈。Eg：Ihaveapen,apencilandtwobooks.用在表示時(shí)間、重量、速度、價(jià)格等名詞前，意為“每一”。Eg:WehavesixEnglishclassesaweek.Lookaroundthisroom.與look相關(guān)的短語(yǔ)：lookfor尋找；lookover仔細(xì)檢查，翻閱；lookafter照顧；lookup抬頭看Alotoffurnitureismadeofwood.很多家具都是由木頭制成的。(be)madeof(看得出原材料)=(be)madefrom(看不出原材料)意為“由...制成”。如：Thechairismadeofwood.這把椅子是由木頭制成的。Paperisusuallymadefromwood.紙通常由木頭制成。Butwecutdownmillionsoftreeseveryyear.但每年我們都會(huì)砍伐數(shù)百萬(wàn)的樹(shù)木。millionsof意為“數(shù)以百萬(wàn)計(jì)；大量的”。如：MillionsofpeoplearoundtheworldlearnEnglish.全世界無(wú)數(shù)人在學(xué)習(xí)英語(yǔ)?！就卣埂浚篽undredsof數(shù)以百計(jì)的，成千上萬(wàn)的；thousandsof數(shù)以千記的，成千上萬(wàn)的；tensofthousandsof數(shù)以萬(wàn)計(jì)的；hundredsofthousandsof數(shù)以十萬(wàn)記的注意：hundred，thousand，million，billion等前面有具體的數(shù)詞時(shí)，其后不加-s，也不帶介詞of。Eg:twohundred200Shecanskateataveryhighspeedbecauseshpractisesalot.Practise及物動(dòng)詞，意為“訓(xùn)練，練習(xí)”。賓語(yǔ)可以是名詞、代詞或動(dòng)名詞。Eg:YoumustpractisespeakingEnglisheveryday.Asaresult,thenumberofkindsofanimals,birds,insectsandtreesintheworldisdecreasing.Thenumberof意為“……的數(shù)量”。Eg:Thenumberofthestudentsinourclassis50.【拓展】Thenumberof……的數(shù)量后接復(fù)數(shù)名詞，但謂語(yǔ)動(dòng)詞要用單數(shù)形式常跟large，small等詞作表語(yǔ)Thenumberofthestudentsinourschoolis2000.Anumberof大量；許多，相當(dāng)于many接復(fù)數(shù)名詞作主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞用復(fù)數(shù)形式Number前可加small，large，huge等表示程度Anumberofstudentsareplayingfootball....butthespeakerdidnotstopspeakinguntiltwentypasttwelve.Not...Until...意為“直到……才……”。主句的動(dòng)詞一般是非延續(xù)性動(dòng)詞，它所表示的動(dòng)作直到until所表示的時(shí)間才發(fā)生。Eg：Youcannotleaveuntilyourworkisfinished.知識(shí)練習(xí)：根據(jù)句意及首字母提示完成單詞。Today,wearegoingtod______thetopic“Aredogspeople’sfriends?”Lookatthedog.Itishurt.Shallwes______.It?Theb________ofthetreesconnectwitheachotherandpasswaterandfoodunderground.Youmustn’tparkyourcarhere.Itisa______thelaw.Theworkersaref_________againstthedecisiontoreducetheirpay.Icannoti________lifewithouttrees.Softdrinksareh___________toyourhealth.Thef___________intheroomisquiteold.選出可以替換劃線(xiàn)部分的選項(xiàng)。Wecanproducefreshwaterfromtheoceannow.A.getB.workC.makeD.takeLifeismoreconvenientthanbefore.easierB.harderC.theeasiestD.thehardestTreesareimportantbecausetheycantakeinharmfulgases.A.makeB.absorbC.stopD.putYoucandomanythingsathome.Forexample,youcandosomehousework.ForinstanceB.FormoreC.ForeverD.ForyouInfact,Ididn’tlistentoourteachercarefully.ReallyB.ActuallyC.ExactlyD.Certainly單項(xiàng)選擇Thedoctorgavehimsomepillsto__________thepain.takeoffB.takeinC.takeonD.takeaway2.Dosomesportseveryday.Itwillhelpyoukeep__________.A.healthyB.healthilyC.kindlyD.excitedly3.——Thereare_________peoplehereinourcity.——Actually,thereare__________lionsof;threemillionB.millionsof;millionsC.millionsof;threemillionofD.millionof;threemillionof——Whattimeisitnow?——Itis20:00.Ithinkweshouldstop__________first.havingsupperB.havesupperC.tohavesupperD.tohavingsupper——Ibought____________furniture.——Really?What________?anew;isitmadeofB.anew;doesitmadeofC.anewpieceof;isitmadeofD.anewpieceof;doesitmadeofLookatthisoldbridge!Itismade__________stones.A.fromB.ofC.intoD.upI_________theswimmingclubifyou________it.A.join;joinB.willjoin;joinC.join;willjoinD.willjoin;willjoinHeheardsomeonecallinghisname,sohestoppedand________.Buthecouldn’tseeanyone.A.lookedaroundB.lookedupC.lookedintoD.lookedfor——Wecan’tlivewithouttrees.Theymakeourlives_________.——Iagree.Weshouldstoppeople_________trees.A.convenient;tocutdownB.conveniently;tocutdownC.convenient;cuttingdownD.conveniently;cuttingdownthelittledoghelpshisowner_________manyways__________hisdailylife.A.in;atB.on;inC.in;inD.on;on用所給單詞的適當(dāng)形式填空。Treesareimportantinour(day)lives?Thereare(many)peopleinthishallthanthatone.Weallknowthatsmokingis(harm)toourhealth.Airisamixture(混合物)of(gas).Mr.Greenlivesina(convenience)life.Timhasbeenafire(fight)forfiveyears.Howdoesafish(breath)underwater?Manyplantsdiedbecauseofthewater(pollute).完形填空AChineseman____1_____CaiLuninventedpaperalmost2,000yearsago.Hemadepaper____2_____wood.Hethenputallthepapertogetherandmadethepaper___3_____abook.Nowwestillusewoodtomakepaper.Weusealotofpapereveryday.Ifwekeepon_____4____somuchpaper,therewillnotbeanytreesleftontheearth.If____5____notrees,therewillbenopaper.Everyday,people___6____about2,800tonsofpaper.Weuse17treestomakeonetonofpaper.Thismeanswearecuttingnearly48,000treeseveryday.Sinceit___7___morethan10yearsforatreetogrow,wemuststartusing____8____papernow.Sohowcanwesavepaper?Wecanusebothsidesof____9____paper,especiallywhenwearemakingnotes.Wecanchoosedrinksinbottlesinsteadofthoseinpaperpackets.Wecanalsousecottonhandkerchiefs(手帕)butnotpaperones.Whenwegoshopping,wecanusefewerpaperbags.Iftheshopassistantgivesusapaperbag,wecansaveitandreuseitlater.Everyonecanhelptosavepaper.Ifweallthinkcarefully,wecanhelp___10___trees.Butweshoulddoitnow,beforeitistoolate.1.A.callB.callsC.calledD.calling2.A.fromB.ofC.intoD.for3.A.fromB.ofC.intoD.for4.A.wasteB.towasteC.wastedD.wasting5.A.therewillbeB.thereareC.therewasD.therewasn’t6.A.takeinB.putonC.throwawayD.putaway7.A.spendsB.takesC.costsD.pays8.A.manyB.fewC.fewerD.less9.A.aB.apieceC.onepieceD.many10.A.protectB.protectsC.protectingD.toprotecting閱讀理解Cantreestalk?Yes---butnotinwords.Scientistshavereasontobelievethattreesdocommunicatewitheachother.Notlongago,researcherslearnedsomesurprisingthings.Firstawillowtree(柳樹(shù))attackedinthewoodsbycaterpillars(毛毛蟲(chóng))changedthechemistryofitsleavesandmadethemtastelesssothatthecaterpillarsgottiredoftheleavesandstoppedeatingthem.Theevenmoreastonishing,thetreesentoutaspecialvapor---asignalcausingitsneighborstochangethechemistryoftheirownleavesandmakethemselvestastealsoterrible,too.Talking,ofcourse,doesn’tneedtobealwaysinwords.Wecantalktoeachotherbysmiling,raisingourshouldersandmovingourhands.Weknowthatbirdsandanimalsuseawholevocabularyofsongs,soundsandmovements.Beesdancetheirsignals,flyingincertainpatternsthattellotherbeeswheretofindnectar(花蜜)forhoney.Soshyshouldn’ttreeshavewaysofsendingmessages?1、Fromthepassage,whichkindofleavesdon’tcaterpillarseat?leaveslyingontheground.B.leaveshavinganunpleasanttaste.C.leavesbeesdon’tlike.D.leaveshavinganunfamiliarshape.2、Thewillowtreedescribedinthepassageprotecteditselfby_________.growingmorebranchesB.talkingwithbirdsandbees.C.changingitsleafchemistryD.shakingcaterpillarsoff3、Accordingtothepassage,thewillowtreewasabletotalkwithothertreesby___________.WavingitsbranchesB.givingoffaspecialsmellC.drop