Unit4SavethetreesModule2Man’sbestfriends自主预习一、根据汉语写出英文单词1.树枝(n.)___________________2.气体(n.)___________________3.产生(v.)___________________4.拯救(v.)___________________5.方便的(adj.)___________________6.有害的(adj.)___________________7.讨论(v.)___________________8.与……作斗争(v.)___________________9.想像(v.)___________________10.搬;扛(v.)___________________11.反对(prep.)___________________12.疾病(n.)___________________branchgasproducesaveconvenientharmfuldiscussfightimaginecarryagainstdisease二、根据汉语写出下列词组1.来自__________________2.例如__________________3.对……有用,有好处__________________4.事实上__________________5.吸收__________________6.由……制成__________________7.环顾四周__________________8.数以百万计的__________________efromforexample(be)goodforinfacttakein(be)madeof/fromlookaroundmillionsof三、根据汉语补全句子,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)thisifwedon’twantaworldwithouttrees.4.Rebeccawantstoknowmoreabouttreesand________________________________(它们如何帮助我们).5.Theyhelpus________________________(用很多方式).takeinharmfulgasesismadeofwoodstopdoinghowtheyhelpusinmanyways词汇精析【1】savev.拯救;保存;节约;节省;储蓄Hesavedthelittleboy.他救了那个小男孩。Saveallyourfiles.保存你所有的文件。Theonlywayistosaveenergy.唯一的办法是节约能源。【拓展】(1)savewater节约用水Weshouldtryourbesttosavewater.我们应尽量节约用水。(2)savemoney存钱Iwastryingtosavemoneytogotocollege.我当时正努力攒钱去上大学。(3)savetime节省时间Itwillsaveusmuchtime.这将为我们节省大量的时间。【应用】Animalsareourfriends.Wemustdoourbest________(save)them.tosave【2】discussv.讨论Wewilldiscussthatmatterafterlunch.午饭后我们将讨论那件事。【拓展】(1)discusssth.withsb.和某人商讨某事Thechildrenarediscussingfamilyruleswiththeirparents.孩子们正在和父母讨论家规。(2)discussionn.讨论;议论Shejoinedusinthediscussion.她与我们一起讨论。【应用】(1)Wehavemanyideasafterthe____________(discuss).(2)()Wediscussedtheproblemforanhour.(选出可以替换画线部分的最佳选项)A.talkedaboutB.thoughtaboutC.learnedaboutdiscussionA【3】againstprep.反对;违反Noonespokeagainstmeatthemeeting.会上没有人发言反对过我。Youareagainstthelaw.你违反了法律。【拓展】beagainst反对……;befor支持……Areyouagainstitorforit?你对此事是反对还是赞成?Areyoufororagainsttheplan?你支持还是反对这项计划?【应用】()Heisagainsttheidea.(选出可以替换画线部分的最佳选项)A.agreesaboutB.disagreesaboutC.isforB【4】harmfuladj.有害的There’snothingharmfulgoingon.没有什么有害的事情发生。【拓展】(1)harmlessadj.无害的Muchofitisharmless.它大部分是无害的。(2)harmv.伤害n.伤害Manyanimalscanharmme,butIdonotharmthem.许多动物能伤害我,但我不会伤害它们。Noharmwouldetous.我们不会受到伤害。(3)beharmfulto=doharmto=bebadfor对……有害Smokingisharmfultous.=Smokingdoesharmtous.=Smokingisbadforus.吸烟对我们有害。【应用】(1)Somepestsare__________(harmful).Theyaregoodforhumanbeings.(2)Itwilldo___________(harmful)tous.(3)Youare___________(harmful)herfeelings.(4)()Airpollutionisharmfultoourhealth.(选出可以替换画线部分的最佳选项)A.difficultforB.goodforC.badforharmlessharmharmingC【5】producev.产生;生产Treescantakeinharmfulgasesandproduceoxygen.树可以吸收有害气体并产生氧气。【拓展】(1)productn.产品;结果;作品Howshouldyousellyourproduct?你怎样卖出你的产品?(2)productionn.生产;产量Theywillincreaseproductionofsmallcars.他们将增加小型汽车的产量。(3)producern.生产商;制作人Theproducerandtheconsumeraredifferent.生产者和消费者是不同的。Jackworksasadirectorandproducer.杰克兼任导演和制片人。【应用】(1)Myfather’scarisahome____________(produce).(2)The__________(produce)shouldthinkmoreoftheconsumer.(3)()Theyproducemanybeautifultoysforthechildren.(选出可以替换画线部分的最佳选项)A.giveB.buyC.makeproductproducerC【6】convenientadj.方便的Ilivebythemarket,andit’sveryconvenienttogoshopping.我家就住在市场旁边,买东西很方便。【拓展】conveniencen.方便Fortheconveniencegovernmentbuiltanewdepartmentstore.为了便利,政府新建了一家百货商店。【应用】(1)()Thecarsmakeourlifeconvenient.(选出可以替换画线部分的最佳选项)A.difficultB.fastC.easy(2)Theplanebroughtuslotsof_____________(convenient).Cconvenience【7】imaginev.想像;设想Canyouimagineaworldwithouttrees?你能想像一个没有树的世界吗?【拓展】(1)imaginationn.想像;想像力Shehasplentyofimagination.她的想像力非常丰富。(2)imaginaryadj.想像的Lotsofchildrenhaveimaginaryfriends.许多孩子都有假想的朋友。【应用】(1)______________(imagine)ismoreimportantthanknowledge.(2)Someare__________(imagine),somearereal.Imaginationimaginary【8】carryv.搬;扛;背;拿Andinthismobileworld,youhavetocarryitalongwithyou.在这个移动的世界里,你得无时无刻地带着它。【拓展】(1)carrysth.搬东西Pleasecarrythisstonetotheyard.请把这块石头搬到院子里去。(2)carryon继续,坚持下去Hisencouragementmadeuscarryonwiththestudy.他的鼓励让我们坚持学下去。(3)carryout执行Iamcarryingoutatask.我正在执行一项任务。【辨析】bring,take,carry与fetch(1)bring拿来,指从别处拿到说话的地方来。Theteacheraskedthestudentstobringtheirdictionariestotheclass.老师让学生们把字典带到班上来。(2)take拿去,指从说话的地方带到别处去。MayItakethismagazinehome?我可以把这本杂志带到家里去吗?(3)carry携带、运送,没有方向性。Thisbuscancarry100passengersatmost.这辆巴士最多可以乘坐100位乘客。(4)fetch去拿来,一去一回往返,goandbring。Pleasefetchmesomechalk.去帮我拿点粉笔来。【应用】()Aretheworkers____thetables?A.bringingB.takingC.carryingC【9】keepv.保持Whydoyoukeepsilent?你为什么不吭声?【拓展】(1)keepdoingsth.一直做某事Thelittlebabycouldnotfindhismother,sohekeptcrying.那小宝宝找不见妈妈,所以一直哭。(2)keep+adj.保持某种状态Keepquiet,children!孩子们,请肃静!(3)keepsb./sth.+adj./adv.使……处于……状态Everyoneshouldkeeptheroomclean.每个人都应该保持室内清洁。【应用】()Heisinterestedinpainting,sohekeeps____hispaintingskills.A.practiseB.practisingC.topractiseB【10】makev.做;使Youcan’tmakemedoanything.你不能强迫我做任何事。【拓展】(1)make+n.制作……Icanmakecakes.我会做蛋糕。(2)make+sb./sth.+n./adj.使……处于……状态Thenewsm