广西南宁市第三人教版高中英语必修五Unit3Lifeinthefuture教案

Unit3Lifeinthefuture南宁一、复习目标：帮助学生巩固和强化本单元的重点单词、短语、句型和语法

二、复习重、难点重点词汇：private,impression,constant,remind,surrounding,lack,

assist,require,takeup,

重点句型：asthough/asif句型

语法：过去分词作定语和状语

三、复习过程（精讲精练）

1.private

【原句回放】…smallshopsandprivatehouses.(P17)

【点拨】privateadj.usedonlybyaparticularpersonorgroup,oravailableonlytothem表示“私人的；个人的，不公开的”。

如：privateproperty私人财产；aprivateschool私立

Aprivatecargivesamuchgreaterdegreeoffortandmobility.

Don'tsayanythingaboutwhatwe'rediscussingtoanyone;it'sprivate.

【拓展】privacyn.表示“隐私，个人自由”；privatelyadv.表示“私下里，隐藏地”，短语：inprivacy隐避的,秘密地，

如：Wemustrespectother'sprivacy.

Itisillegaltoopenothers’lettersprivately.

【随时练】Afterthepresidentmadeanofficialannouncement,sheexpressedher_______opinion.

A.personalB.privateC.singleD.individual

Key:A

2.impression

【原句回放】FirstImpressions(P17)

【点拨】impressionn.anopinionorfeelingyouhaveaboutsomeoneorsth.youhaveseenbutdon’tknowverywell表示“印象，感觉”，短语：firstimpression第一印象；makeanimpressiononsb.给某人留下印象，

如：WhatwereyourfirstimpressionsofLondon?

WhatIsaidmadepracticallynoimpressiononhim.

【拓展】impressiveadj.表示“令人印象深刻的”；impressvt.表示“使留下深刻印象”。impresssthonsb.表示“使某人铭记某事”。

如：Whatimpressedmewastheirabilitytodealwithanyproblem.

Wearesurethe2008OlympicGamesinBeijingwillbethemostimpressive.

【随时练】ThespeechbythemayorofShanghaibeforethefinalvotingforEXPO2010isstronglyimpressed______mymemory.

A.toB.overC.byD.on

Key:D

3.constant

【原句回放】IhavetoremindmyselfconstantlythatIamreallyinAD3008.(P17)【点拨】constantadj.continuousorregularoveralongperiodoftime表示“持续不断的，经常发生的”，也用作名词，表示“不变的事物，常量”。

如：Thereisaconstantflowoftrafficonthehighwayeveryday.

Hishealthhasbeenaconstantsourceofconcernforus.

【拓展】constantlyadv.表示“总是，经常地”,相当于always，与进行时态连用时表示一种感情色彩。

如：Heisconstantlyleavinghisthingsbehind.

Hisreportwasconstantlyinterruptedbyapplause.

【随时练】Therewere________interruptionssowedidn’tgettheworkfinished.

A.plentyB.steadyC.relativeD.constant

Key:D

4.remind

【原句回放】IhavetoconstantlyremindmyselfthatthatIamreallyinAD3008.(P17)

【点拨】remindvt.totellsomeoneagainaboutaneventfromthepastoraboutafactthattheyusedtoknow表示“使想起,提醒”，用法：remindsb.ofsth/todo/that从句等。

如：Pleaseremindmetoleaveherthisnote.

PleaseremindmethatImustcallherupbeforenine.

ThefilmremindedhimofwhathehadseeninChina.

【拓展】区别remind/remember/recall都含“记住”、“忆起”的意思。

①remember系常用词,指“过去的事情仍在记忆中,不必费劲就能想起”。

如：He'llrememberthisdayforever.他会永远记住这一天。

②recall较remember正式,指“对自己或他人的过去进行有益的回忆”。

如：Letmerecallwhathesaid.让我回想一下他说过什么。

③remind指“由于受到提醒或启发而想起往事”,常用于结构remindsb.ofsth。

如：Yourstoryremindsmeofanother.

【随时练】Inourchildhood,wewereoften______byGrandmatopayattentiontoourtablemanners.

A．demandedB.remindedC.allowedD.hoped

Key:B

5.surrounding

【原句回放】Confusedbythenewsurroundings,Iwashitbythelackoffreshair.(P18)

【点拨】surroundingsn.allthethingsthatarepresentinaplaceandthoseformtheexperienceofbeingthere表示“环境”。

如：Shegrewupinfortablesurroundings.

Fredcannotfithimselfinhisnewsurroundings.

【拓展】surroundvt.表示“环绕，围绕”，besurroundedwith/by被……环绕着；surroundingadj.表示“附近的，周围的”，仅用来修饰名词。

如：Hefoundhimselfsurroundedbyanadmiringcrowd.

Thehotelislocatedforvisitingthecityandthesurroundingarea.

【随时练】Whenhecamebacktolife,hefoundhimself________byenemysoldiers.

A.tosurroundB.surroundedC.surroundingD.surround

Key:B

6.lack

【原句回放】Confusedbythenewsurroundings,Iwashitbythelackoffreshair.(P18)

【点拨】lackn.asituationinwhichyoudon’thaveanyordon’thaveenoughofsth.youneed表示“缺乏；需要”，常与of连用。如：

Thelackofrainresultedintheseriouslackoffood.

Itwaslackofcurrentcapitalthatdefeatedtheirbusiness.

【拓展】lack也用作及物动词，表示“缺乏；不足”；lackingadj.表示“缺少的”只能作表语。如：Thesephotographslackdefinition（清晰）.You'dbetterhavethemtakenagain.

Sheseemedtobetotallylackinginmonsense.

【随时练】Healthproblemsarecloselyconnectedwithbadeatinghabitsanda_____ofexercise.(07辽宁)

A,limitB.lackC.needD.demandKey:B

7.assist原句回放】TheyhaveassistedinthediscoveryofplanetsroundthefourthstarinthePleiadessystem.(P22)

【点拨】assistvt.,vi.tohelpsomeoneorsth.表示“帮助；支援”，短语：assistinsth/indoingsth.或assistsb.todosth.表示“帮助某人做某事”。Weallassistedinmendingtheroof.

Thesemeasuresaretakentoassistthepeoplewithdisabilities.

Thisprogrammeassiststheyoungtofindajobeasily.

【拓展】assistantn.表示“助手，助理”；assistancen.表示“协助，援助”，短语：beofassistance=helpsb.帮助某人，

如：Hebecameanassistantcookafterhegraduatedfromthetechnologicalschool.

CanIbeofanyassistancetoyou?

【随时练】Herearesomegoodsourcesofinformationto____youinmakingthebestchoice.

A.provideB.supplyC.assistD.support

Key:C

8.require

【原句回放】Theyrequirethesameatmosphereashumansandaregreatengineers.(P22)

【点拨】requirevt.toneedsomeoneorsth.表示“需要，要求”，常用与句型：Itrequiresthat...“有……的必要”；requiresb.todosth.“要求某人做某事”；requiredoing“需要做某事”，主动表被动。

如：Thefloorrequireswashing.

Theemergencyrequiresthatitshouldbedone.

【拓展】requirementn.表示“要求，规定”，常与介词for连用。

如：Applicantsmustsatisfytherequirementsforadmissiontotheuniversity.

Dothesegoodsply（符合）withoursafetyrequirements?

【随时练】______intheregulationsthatyoushouldnottellotherpeoplethepasswordofyoure-mailaccount.

A.WhatisrequiredB.Whatrequires

C.ItisrequiredD.itrequires

Key:C

9.takeup

【原句回放】Istillcan’tbelievethatIamtakingupmyprizethatwaswonlastyear.(P17)

【点拨】takeup相当于toacceptanofferorachallengethatsomeonehasmadetoyou,表示“接受”，还有“开始从事，占据”等意思。

如：ItookupsmokingwhenIwasatschool.

I’lltrynottotakeuptoomuchofyourtime.

Oneofourexcellentathleteshastakenupanewchallenge.

【拓展】相关短语：makeup编造，弥补；saveup储存;giveup放弃，让；bringup抚养，教育；dressup打扮；pickup捡起，恢复;drawup草拟；写；breakup结束；解散

如：Thecrowdstartedtobreakupwhenthenightfell.

Iwilldrawupaschemeofitforyou.

【随时练】Afterheretiredfromoffice,Rogers_______paintingforawhile,butsoonlostinterest.

A.tookupB.savedupC.keptupD.drewup

Key:A

重点句型Asthough/asif【原句回放1】Theairseemedthinasthoughitsbinationofgaseshadlittleoxygenleft.(P18)

【原句回放2】Wangping’smotherappeared,flashedaswitchonaputerscreen,andatableandchairsrosefromunderthefloorasifbymagic(P18)

【点拨】

一、asif/though引导表语从句和方式状语从句

①常跟在look，seem等词后面引导表语从句，

如：Shelooksasifsheweretenyearsyounger.她看起来好像年轻了十岁。

②引导方式状语从句。

如：Shelovestheboyasifshewerehismother.她爱这男孩,好像她是他的母亲一样。

二asif从句的语气及时态

1.asif从句用陈述语气的情况：当说话者认为句子所述的是真实或极有可能发生或存在的事实时。如:Lookatthedarkclouds!Itlooksasifitisraining.

2.asif从句用虚拟语气的情况：当说话者认为句子所述的是不真实的或极少有可能发生或存在的情况时,从句虚拟语气动词时态的形式如下:

a.从句表示与现在事实相反,谓语动词用一般过去时。如：:Hetalksasifheknewwhereshewas.他说话的样子,好像他知道她在哪里似的。

b.从句表示与过去事实相反,谓语动词用“had+过去分词”。

如：HetalksaboutRomeasifhehadbeentherebefore.他说起罗马来好像他以前去过罗马似的。

c.从句表示与将来事实可能相反,谓语动词用“would/could/might+动词原形”