2017年春七年级英语下册Module2MansbestfriendsUnit4Savethetrees第2课时课件新版牛津.pptx

Unit4Savethetrees,第2课时Reading,Module2Mansbestfriends,广东学导练七年级下册配上海教育版,一、根据汉语意思补全句子，每空一词1.They_（吸收有害气体）fromtheairandproduceoxygenforustobreathe.2.Alotofthefurniture_(是由木头制成的).3.Weshould_(停止做)thisifwedontwantaworldwithouttrees.4.Rebeccawantstoknowmoreabouttreesand_(它们如何帮助我们).5.Theyhelpus_(用很多方式).,take,in,harmful,gases,is,made,of,wood,stop,doing,how,they,help,us,in,many,ways,二、汉译英1.它们是防止空气污染的主要斗士。_2.树木能够保持空气凉爽干净。_3.树木在我们生活中确实很重要。_4.但是我们每年砍伐数以百万计的树木。_5.没有树，我不能想象这个世界是什么样的。_,Theyaremajorfightersagainstairpollution.,Treescankeeptheaircoolandclean.,Treesarereallyimportantinourdailylives.,Butwecutdownmillionsoftreeseveryyear.,Icantimagineaworldwithouttrees.,【1】Theyhelpusinmanyways.它们在很多方面帮助我们。【用法】inmanyways在许多方面【例句】Ifyoucandothesethingsconsistently,youwillberewardedinmanyways.如果你能一贯坚持做到这些，那么你将会在许多方面得到奖励。,【拓展】bytheway顺便说一下onthewayto.在去的途中inaway在某种程度上inthisway用这种方法【应用】用bytheway,inaway或ontheway填空（1）_,couldyoutellmethewaytothehospital?（2）_,youwin.（3）_toschool,Isawalittledoglyingontheroad.,Bytheway,Inaway,Ontheway,【2】Theykeeptheaircoolandclean.它们保持空气凉爽和干净。【用法】keep在本句中用作及物动词，意为“保持”。本句中的结构为：keep+宾语+宾语补足语（形容词）。keep的常见用法还有：（1）keep+宾语+介词短语保持（状态）（2）keepdoingsth.坚持/使（一直）做某事（3）keep+adj.保持（样）,【例句】Itstoohotinside.Pleasekeepthedooropen.屋里太热，让门开着吧。Shealwayskeepsherhandsbehindherback.她总是背着手。Dontkeepyourfriendswaitingforsolong.不要让你的朋友们等太久。Doexerciseeveryday,andyouwillkeephealthy.天天锻炼，你会一直很健康的。,【拓展】和keep+adj.有同样用法，表示“保持”的半系动词还有remain,stay,stand,hold等。Pricesremainstablethroughout.物价始终保持稳定。Staycalm,andyouwillthinkawayout.保持镇定，你会想到解决的办法的。【应用】（）Themedicinekeptthepatient_foranothermonth.A.liveB.toliveC.alive,C,【3】Lookaroundthisroom.Alotofthefurnitureismadeofwood.环顾这间房间，很多家具都是用木头制成的。【用法】（1）lookaround环顾，其中around作介词，也可作副词，意为“在附近；在周围，大约”。（2）furniture家具，为不可数名词，谓语用第三人称单数形式。（3）bemadeof由制成，从其成品能看出原材料是什么。,【例句】Shehasbeenmovingaroundthehouse.Sheseemstolookforsomething.她一直在绕着那栋屋子走，似乎在寻找什么。Mynecklaceismadeofmetal.我的项链是金属制品。【应用】（1）（）Thissweaterismade_wool.A.intoB.ofC.from（2）（）Wewantto_thetown.A.lookforB.lookaroundC.lookafter,B,B,【4】Butwecutdownmillionsoftreeseveryyear.但我们每天砍伐数以百万计的树木。【用法】（1）cutdown砍倒，后接名词时放在down的前面和后面均可，接代词时必须放在cut和down的中间。（2）millionsof数以百万计的；大量的（表示不是具体的数量）。【例句】Itsnotrighttocutdownthetrees.砍树是不对的。Millionsofpeoplearestarvingnowintheworld.当前世界上仍有数百万的人在挨饿。,【拓展】与millionsof类似的短语有：hundredsof数以百计的thousandsof成千上万的Therearemillionsofstarsinthesky.天空中有无数颗星星。但是当hundred/thousand/million.+复数可数名词时，表示具体数量，后面不能加s。Therearethreethousandstudentsinourschool.我们学校有三千名学生。,【应用】（1）Thereareseven_（hundred）studentsinourschool.（2）_（hundred）ofstudentsinourschoolareleaguemembers.（3）（）Everyyear_touristscometovisittheGreatWall.A.twomillionofB.twomillionsC.millionsof,hundred,Hundreds,C,【5】Weshould_stopdoing_this_if_wedontwant_aworldwithout_trees.如果我们不想要一个没有树木的世界，我们应该停止这样做。【用法】（1）stopdoingsth.停止做某事。（2）aworldwithout.一个没有的世界。（3）if意为“如果；假如”，引导条件状语从句，一般情况下，如果主句是将来时，从句要用一般现在时。【例句】Stopmakingsuchsillymistakes.别再犯这种低级错误了。,Weneedaworldwithoutwars.我们需要一个没有战争的世界。Ifyoudontworkhard,youwillnevermakeyourdreamcometrue.如果你不努力，就永远也不能实现你的梦想。【拓展】（1）stopdoingsth.停止做某事（不做）。Itstimeforclass.Letsstoptalking.到上课时间了。我们停止讲话吧。（2）stoptodosth.停下（手头上的事）去做另外一件事。Tonystoppedtolistentotheteachercarefully.托尼停下来，认真听老师讲课。,【应用】（1）Wearetired.Letsstop_（have）arest.（2）Thestudentsstopped_（talk）whentheteachercamein.（3）（）Icantimagineaworld_water.A.withB.withoutC.and,tohave,talking,B,一、用所给单词的适当形式填空1.Doyouknowthe_（important）ofeducation?2.Howmuch_（furniture）isthereinyourroom?3.Youhadbetterputthefoodintothe_（contain）.4.Hisstorymadeusfullof_（imagine）.5.Thisplanthasgreen_（leaf）throughouttheyear.,importance,furniture,container,imagination,leaves,6.Thereismoreandmore_（pollute）nowadays.7.Goslowlyand_（breath）slowly.8.Yourfatherisa_（fight）andapatriot（爱国者）.9.Wehadalong_（discuss）beforewehadameeting.10.Three_（life）werelostintheaccident.,pollution,breathe,fighter,dicussion,lives,二、阅读理解Therearemanythingsyoucandotosavetreesatschool.Youcanaskyourteacherstoencouragestudentstouserecycled（再利用的）paperatschool.Newpaperismadefromtrees.Recycledpaperismadefromusedpaperandcardboard.Doyouknowthatittakestwotonsofwoodjusttomakeonetonofnewpaper?Thatmeansalotoftreesmaybecutdown!Youcanaskyourteacherstotakeyourclasstothebotanicalgarden（植物园）.Treesareveryimportantthere.Youllenjoythebeautyofmanyplantsinit.,Youcanalsouselessenergyatschool.Howcanyouuselessenergyatschool?Forexample,youcanwalkorrideyourbiketoschoolanddontusedisposableproducts（一次性用品）.Whenyouarenotintheclassroom,makesurethatlightsareturnedoff.（）1.Accordingtothepassage,howmanytonsofwooddoesittaketomakethreetonsofnewpaper?A.Two.B.Three.C.Five.D.Six.（）2.WhichofthefollowingcanNOTthestudentsdotosaveenergyatschool?A.Ridebikestoschool.B.Donotusedisposableproductsatschool.C.Turnoffthelightswhentheyleavetheclassroom.D.Drivecarstoschool.,D,D,（）3.Thepassageiswrittenfor_.A.parentsB.teachersC.studentsD.doctors（）4.Whichofthefollowingisthebesttitleforthepassage?A.ThewaystosavetreesandenergyB.ThewaystousepaperC.ManyplantsinthebotanicalgardenD.Energyatschool,C,A,一、根据教材P45的课文内容，补全下面短文，每空一词Rebeccais1._DrJonesabouttrees.Shelearnsthattreeshelpusinmanyways.Theykeeptheaircoolandclean.Theytakein2._gasesfromtheairand3._oxygenforusto4._.In5._,manyofthethingsinourdailylivescomefromtrees.Forexample,paper,pencils,fruitandoil.Teaalsocomesfromthe6._oftrees.Treesreallymakeourlivesmore7._.Wecant8._aworldwithouttrees.Weshould9._cuttingdown10._oftreeseveryyear.,interviewing,harmful,produce,breathe,fact,leaves,convenient,imagine,stop,millions,二、选择填空（）1.There_lotsoffurnitureintheroom.A.isB.areC.have（）2.Theschoollibrarycan_us_lotsofbookstoread.A.give;toB.buy;forC.provide;with（）3.MrsWhite,yourbagistooheavy.MayIhelpyou_it?Thanksalot.A.bringB.carryC.take,A,C,B,（）4.Thecupissobeautiful.Isit_glass?A.madeofB.madeinC.madefrom（）5.Doyouoftengotoschoolbybus,Jack?Yes.Itsvery_totakeabustoschool.A.helpfulB.convenientC.harmful（）6.Dontspendtoomuchtimeplayingcomputergames.Its_toyoureyes.OK,Iwont.A.difficultB.badC.harmful,A,B,C,（）7.Eatingallkindsoffruitsandvegetables_yourhealth.A.isgoodforB.aregoodforC.isgoodat（）8.Doyouknowhowdolphins（海豚）_?Well,they_oxygenthroughtheirlungs(肺).A.swim;takeawayB.breathe;takeinC.eat;comein（）9.Yourhometownisnotthesameasbefore.Yes.Therewere_treesbefore,butthevillagershave_allofthem.A.millionsof;cutdownB.millionof;plantedC.millions;takendown,A,B,A,（）10.Thesoldiersarehelpingthevillagersfight_theflood.Theyareverykind.A.forB.againstC.to三、阅读理解Treesareusefultomaninthreeveryimportantways.Thefirstimportantwayisthattheyprovidemanwithfood,woodandotherproducts.Treesprovidefoodnotonlyformanbutalsoformanyanimals.WithouttreesmanyanimalscouldnotliveontheEarth.ItsnoteasyformantoliveontheEarth,either.,B,Thesecondimportantwayisthattreesgiveusshade.Onahotsummerday,peopleareeager(渴望)tohavearestundertheshadeofatreeaftertheyhavewalkedalongway.Youcanimaginehowimportanttheshadeof