Module5Unit2Theenvironment重点单词1.debatevi.&n.争论,辩论,讨论【用法拓展】debateon/about...就……辩论debatewithsb.aboutsth.和某人就某事辩论考虑/讨论是否……haveadebate进行讨论、辩论underdebate在辩论中,在讨论中open/closeadebate开始/终止辩论(be)opentodebate/amatterfordebate还有待于讨论debatewithoneself仔细考虑,思考,盘算debatableadj.可争辩的,有争议的【易混辨析】debate/argue/discuss(1)debate指在正式场合,和意见对立的一方进行全面地、彻底地、比较正式地争论,重在各述理由,双方交锋。后接名词或连接代词、副词引起的不定式短语,不接that从句。(2)argue指就自己的看法、立场条理清楚地提出赞成或反对某事的理由,以说服他人。其后可接名词或that从句,不可接what,when,whether等引导的从句和不定式。(3)discuss重在交换意见,进行讨论,不含有意说服对方的成分。其后可接名词、动名词、不定式短语或when,whether,what等引导的从句,但不可接that从句。Theyhadbeendebatingforseveralhourswithoutreachingaconclusion.他们已经争论了好几个小时,仍然没有得出一个结论。[剑桥高阶]Educationisthecurrentfocusofpublicdebate.教育是目前大众谈论的焦点。[剑桥高阶]Shedebatedwithherselfforawhile,andthenpickedupthephone.她仔细琢磨了一会儿,然后拿起了电话。Thetwosidesdebatedwitheachotheraboutwhowasthebestforawholeday.双方就谁是最优秀的问题相互争论了一整天。Hewasdebatingwhethertogoforawalkortovisitafriend.他当时正考虑是去散步还是去拜访一位朋友。即学即用完成句子①He________usintobelievingthathewasinnocent.他说服了我们,相信他是清白的。答案:argued②We________howtocarryouttheplan.我们讨论了如何实施这个计划。答案:discussed2.expandvt.&vi.扩展,扩大【用法拓展】expandv.使变大,伸展,扩大,其名词为expansion详述,进一步说明expandinto扩展成……【易混辨析】expand/spread/stretch(1)expand指向四面八方扩大、扩张。(2)spread指消息、疾病、瘟疫等的传播、蔓延,也指把某物铺开或把胳膊张开。(3)stretch指手掌、手臂、腰、腿、颈由曲变直,由短变长的伸展或伸出,多与out连用。Committeemembersexpandedontheissuesatthemeeting.委员会成员在会上详述了那些问题。[美国传统]Thesofaexpandsintoabed.那个沙发展开就是一张床。[美国传统]即学即用用expand,spread,stretch的适当形式填空③Theman________theinformationalloverthetown.答案:spread④Metals________whentheyareheated.答案:expand⑤Thecompanyhas________itsoperationsinAtlantabybuildinganewfactorythere.答案:expanded⑥Despitetherecession,thecompanyisconfidentoffurther________.答案:expansion⑦She________outherhandstomeetme.答案:stretched3.concernn.&v.关心,关注;担心,担忧【用法拓展】beconcernedabout/forsth.担心,挂念beconcernedin(=beinvolvedin)涉及,牵涉beconcernedwith有关,关于beconcernedthat...(=beworried)担心as/sofarassb./sth.isconcerned就某人/某事而言concerningprep.关于,就……来说【特别提醒】(1)concernedadj.作前置定语时,作“关切的”讲;作后置定语时,作“有关的”讲。(2)concern可作动词,但一般不用于进行时,意为“与……有关系,涉及,影响到”。(3)concern作名词,意为“所关切的事;担心,忧虑”。Thelackofraindeeplyconcernedthefarmers.缺雨使农民们深感忧虑。[美国传统]Hehasneverbeenveryconcernedaboutwhatotherpeoplethinkofhim.他从来不大在乎别人怎样看他。Asfaraswe’reconcerned,youcangowheneveryouwant.(=Wedon’tmindwhenyougo.)就我们而言,你们随时想走都可以走。Concerningyourrequest,Iampleasedtoinformyouthat...关于你的请求,我非常高兴地告诉你……即学即用用concern及相关短语的适当形式填空⑧Everyonewhowas________theaffairregretsitverymuch.答案:concernedin⑨Thisstoryis________aRussianfamilyinthe19thcentury.答案:conc...