2022-2023学年新教材高中英语Unit5HumansandNaturePartⅠTopicTalk课件北师大版必修第二册

PartⅠ

TopicTalk双基夯实·课前排查核心突破·要点讲解夯实基础·一遍落实双基夯实·课前排查学习目标话题语境人与自然和生态环境课时词汇disaster,flood,drought,hurricane,volcanic,eruption,wildlife,comment,crowded,landscape,living,weed,deer,insect,whale,shark,kangaroo,eagle,fox,soil,climate,ecology,jungle,shock,lecture,overuse,million,greenhouse,title常用短语innature,becoveredwith,asaresult,inthefaceof,infact,sufferfrom,makeuseof,turnone'sback(onsb./sth.),takecareof,inthefuture典型句式as＋adj./adv.原级assb.can/could尽可能……Ⅰ.核心单词拼写练习：请根据所给的词性和词义写出单词1．________________n.爆发2．________________n.生态；生态学3．________________vt.使震惊；使难以置信4．________________n.讲座，讲课；演讲5．________________n.百万6．________________n.评论；意见7．________________adj.拥挤的；挤满人的8．________________adj.活的，活着的9．________________n.旱灾，干旱10．________________adj.火山的；由火山作用引起的eruptionecologyshocklecturemillioncommentcrowdedlivingdroughtvolcanicⅡ.阅读单词拼写练习：请根据所给的单词和词性写出词义1．climaten.________________2．hurricanen.________________3．disastern.________________4．greenhousen.________________5．titlen.________________6．wildlifen.________________7．junglen.________________气候飓风灾难；灾祸温室，暖房题目，标题野生动植物，野生生物(热带)丛林8．weedn.________________9．deern.________________10．insectn.________________11．whalen.________________12．sharkn.________________13．kangaroon.________________14．eaglen.________________15．foxn.________________野草；海藻鹿昆虫鲸鲨(鱼)袋鼠鹰狐狸核心突破·要点讲解►第一版块：重点词汇(1)floodn.洪水，水灾

vt.&vi.淹没；（洪水般地）涌进；涌出[合作探究]体会flood的用法和意义TheRiverNileusedtobeinfloodregularlyeveryyear.尼罗河以前每年都定期泛滥。Therewasafloodofcomplaintsaboutthebadlanguageaftertheshow.演出结束后，人们对其语言之拙劣议论纷纷。Afterthenewswasbroadcast,telephonecallscamefloodinginfromalloverthecountry.消息播出后，全国各地的电话像潮水般打来。Themarketintheareaisoftenfloodedwithcheaporfalsegoods.这个地区的市场常充满廉价或假冒的商品。inflood在泛滥flood...with...使……充满(常用被动语态)floodin/into大量涌入(某处)afloodof...大量的；大批的

知识拓展flood既有单数形式，亦有复数形式作单数时，是量词，意为“大批、大量”如afloodof；亦可意为“涨潮”，如attheflood或inflood；作复数时，floods意为“大量的水”“洪水”。floods也可作为动词，意为“泛滥”“蜂拥而出”

即学即练单句语法填空①Hereceiveda________(flood)oflettersonhisbirthday.②Heavyrainfalls________(flood)thevillage.③Thericefields____________(flood).④Thecorridorswereflooded________applicants.⑤Hearingthebadnews,shewasflooded________tearsineyes.floodfloodedwerefloodedwithwith(2)commentn．评论；意见

vi.&vt.发表意见；评论[合作探究]体会comment的用法和意义Iwon'tcommentonthismatter.我对此事不予置评。Hecommentedthatitwasanexcellentfilm.他评论说这部电影很精彩。Hemade/giveacommenton/aboutmyperformance.他对我的表现进行了点评。(1)makecommentson/upon/about

对……做出评论withoutcomment不予评论nocomment无可奉告cause/attract/drawcomment

引来、招来评论askforcomments征求意见offercomments提意见(2)commenton/upon...

评论……，对……提意见

名师点拨comment一般用作不及物动词，后面常接介词on或upon表示“对……评论”comment指“评论”作及物动词，后面跟that从句，如：Shecommentedthatshewashappytobeaguestintheircountry.

即学即练单句语法填空/完成句子①Hewasannoyedandrefusedtocomment________theaward.②Agirlheknewhadannoyedhimby__________(comment)onhisincreasingweight.③She______________________________(对……进行了有益的评论)mywork.④Wearejust________________(评论)howwellyoulook.⑤—Willyouresign,Sir?—___________(无可奉告)!on/uponcommentingmadehelpfulcommentson/about/uponcommentingon/uponNocomment(3)crowdedadj.拥挤的；挤满人的(教材P28)Actually,thewholecityisquitecrowded.事实上，整个城市都很拥挤。[合作探究]体会crowd及其派生词的用法和意义Thegreathallwascrowdedwithaudiencethatday.那天大厅里挤满了听众。Icrowded(myself)intothecrowdtoseethefamousstar.我挤进人群去看那位明星。Theynoticedacrowdof/crowdsofpeopleshoutingandcheering.他们看到一大群人在喊叫欢呼。becrowdedwith...挤满……crowdinto涌入，大批涌入crowd...out(因空间或时间不够而)将……挤出；挤掉；排挤followthecrowd跟大家一样；随大溜acrowdof＝crowdsof一群；一堆；许多

词语积累crowdn．人群；大众；一伙；一堆

vt.&vi.挤；把……塞进

即学即练单句语法填空/完成句子①Wouldyouliketogotoatheatre________(crowd)withaudience?②Stop________(crowd)me—there'splentyofroom.③Theprevioustrain___________________(挤满了游客).④____________(一小群人)gatheredoutsidethecastle,waitingtoseetheKing.crowdedcrowdingwascrowdedwithvisitorsAsmallcrowd(4)livingadj.活的；活着的

n．生活；生计(教材P28)LivingThings生物[合作探究]体会living的用法和意义Thelivingaremoreimportanttousthanthedead.对我们来说，活着的人比死去的人更重要。Hedependsonhisparentsforlivingcost/expenses.他靠父母给生活费。Idriveataxiforaliving.我开出租车谋生。Heearnshislivingbybegging.他靠乞讨谋生。alivinglanguage仍在使用的语言alivinglegend当今的传奇人物makealiving谋生earnone'sliving谋生，度日livingconditions生活条件livingroom起居室

词语辨析

living/alive/live/lively(1)living表示“活着的”，与alive同义，可作表语或前置定语。Heisoneofthegreatestlivingcomposers.他是仍然健在的最伟大的作曲家之一。(2)alive表示“活着的，有活力的”，可作表语、后置定语或补足语。Wedon'tknowwhetherheisaliveordead.我们不知道他是死是活。(3)live作形容词时，表示“活着的”，一般不指“人”，通常作前置定语，作副词时，还可表示“现场演出”。Weweresoexcitedtoseeliveelephants.我们看到活生生的大象非常兴奋。Theconcertwillbebroadcastlive.这场音乐会将现场直播。(4)lively表示“充满活力的，生动有趣的”，既可指人，也可指物，作定语或表语。Shegavealivelydescriptionoftheevent.她生动地描述了那件事。即学即练辨析填空(alive/living/live/lively)/完成句子①Heisrecognisedasoneofthegreatestpainters________．②Heisrecognisedasoneofthegreatest________painters.③Inthebusaccident,thefatherwaskilled,buthisdaughterwasfound________．④Heisa________LeiFenginmodernsociety.⑤Thepaintergavea________descriptionofthecontemporarypainting.⑥Ilovetheirmusic,butI'veneverseenthemperform________．⑦Thecriminalwascaught________bythepolice.⑧Thecitycentrereally__________(热闹起来)attheweekend.⑨Thepatientwithlungcancerwas________(维持生命)onalife­supportmachine.⑩Thepond______________(到处都是)frogs.alivelivingalivelivinglivelylivealivecomesalivekeptalivewas/isalivewith(5)shockvt.使震惊，使难以置信

n．震惊(教材P29)Thetwostudentswereshockedatthelectureonnature.这两个学生对关于自然的讲座感到震惊。[合作探究]体会shock的用法和意义Itshocksyouwhensomethinglikethathappens.发生那样的事情，你会觉得难以置信。Thenewswasagreatshocktoher.这个消息使她大为震惊。TheywereshockedwhentheysawtheNorwegianflag.当他们看到挪威国旗时，感到非常震惊。Thepublicwereshockedby/atthisplanecrash.公众被这起飞机失事震惊了。Itshockssb.tosee/hear...看到/听到……使某人震惊shockvt.使震惊shockedadj.惊愕的，震惊的shockingadj.令人震惊的beshockedat/by对……感到震惊beshockedtodosth.对做某事感到震惊shockedlook/expression/voice震惊的表情/声音beinastateofshock处于震惊的状态agreatshocktosb.对某人来说是个极大的震惊(抽象名词具体化)即学即练完成句子/单句语法填空①_________________(听到……让我震惊)thatthehospitalwasclosingdown.②Theparents______________(对……感到震惊)thenewsthattheirsonneededanoperationonhisknee.③Peoplewere________(shock)toseethatthelittlegirlwasoftenbeatenbyherstepmother.The______(shock)news________(shock)allthepeoplearound,whichwasalso________shocktoherfatherwhowasworkingabroad.④Thisis________news;it___________everyone,andeveryoneis________atthenews.(shock)Itshockedmetohearwereshockedby/atshockedshockingshockedashockinghasshockedshocked(6)overusevt.过度使用；滥用

n．过度的使用(教材P29)Theylearntthatweoverusednature.他们知道我们过度利用自然。[合作探究]体会overuse的用法和意义Whichwordsorphrasesdoyoumostoveruse?你最为常用的词或词组有哪些？

overuse是由前缀over­加use而成，前缀over­含有“过度”之意，所以overuse有“过度使用，滥用”的意思。类似的词还有：overpopulation人口过多overcooked煮过头的overweight超重的知识拓展over作前缀的用法1．表示“过度；过分”。如：overwork,overcoat例句：Wedon'tliketheactorbecausewebelievehehasoveractedinthisfilm.2．表示“越过；在……之上”。如：overlook例句：Janeoverlooksallherboyfriend'sfaultsbecauseshelovehimsomuch.3．表示“颠倒；反转”如：overthrow例句：Canyoubelievethattheywanttooverthrowthegovernment?It'stoocrazy.即学即练完成句子①学生往往会滥用某些词语。Studentstendto________certainwords.②有些科学家担心世界人口过多。Somescientistsareconcernedabout____________intheworld.③牛排做得太老了，蔬菜做得有点生。Thesteakisalittle__________，

andthevegetablesarealittleundercooked.④我不知道这个包裹是否超重。Iwonderiftheparcelis__________．overuseoverpopulationovercookedoverweight(7)millionn.百万Amazing,isn'tit?Andtherearethreemillionprivategardens.很神奇，不是吗？有300万个私人花园。[合作探究]体会million的用法和意义Abouteightmillionpeoplemakeupthepopulationofthecity.大约800万人构成了这座城市的人口。Bothofthesemedicineshavesavedmillionsofpeople'slivessincetheywereinvented.自这两种药发明以来，它们已经挽救了数百万人的生命。(1)具体数目的表达：数字＋hundred/thousand/million/billion/dozen/scoresixhundredvolunteers600名志愿者twodozeneggs24个鸡蛋(2)概数的表达：hundreds/thousands/millions/billions/dozens/scoresofhundredsofpeople数百人dozensoftimes几十次thousandsofbirds成千上万只鸟即学即练单句语法填空/完成句子①________(million)ofpeoplewatchedastronautswalkonthemoononTV.②Thecomputercanworkoutmathsproblems________(million)oftimesfasterthanwedo.③____________________________(那里人山人海).④Lastnight,therewere______________(数百万人)watchingtheopeningceremonyliveonTV.⑤______________________(成千上万的人)weregatheringthere.MillionsmillionsThereweremillionsofpeopletheremillionsofpeopleTensofthousandsofpeople►第二版块：核心短语

turnone'sback(onsb./sth.)对……置之不理；对……撒手不管(教材P29)Naturegothurt,feltpain,andfinallyturneditsbackonus.大自然受到伤害，感到痛苦，最终背弃了我们。[合作探究]Sheturnedherheadaway,feelingtooashamedtomeethisgaze.因害羞而不敢和他对视，她转过头去。Theweatherbecamesobadthattheyhadtoturnback.天气变得很坏，他们只好原路返回。Turnonthelight.打开灯。inturn依次；轮流byturns轮流turninto变成turnin上交(物品)turndown拒绝(建议、要求等)；(把音量)调小turnout(tobe)＋n./adj.结果是……turnover翻转；仔细考虑；移交(工作)；转让(公司)turnto求助于；查阅；转向；翻到(书的某页)turnup调大，开大(热度、音量等)；突然露面；(机会等)不期而至

词语拓展①back作“后面”“背面”“反面”解时用单数形式，其前须加定冠词the。②在表示较近的“后面”“背面”时用onthebackof，在表示较远的“后面”时用atthebackof(范围之外)或inthebackof(范围之内)。提示：outofwork失业

即学即练完成句子/用turn短语填空①Howcanyou______________(拒绝)yourownmother?②Howcouldyou________suchafantasticjobwhenyouhavebeenoutofworkformonths?③I'mupsetbecauseIhadmyproposal__________again.④Hepromisedtobehereatoneo'clock,buthedidn't________．⑤Hegothisfirstbookpublished.It________tobeabest­seller.⑥Tomhadto________theinvitationtothepartylastweekendbecausehewastoobusy.⑦Don'tworry.I'msureyourmissingglasseswill________soonerorlater.turnyourbackonturndownturneddownturnupturnedoutturndownturnup夯实基础·一遍落实Ⅰ.练单词—记牢固A．请根据句意和所给的首字母或中文提示用正确的单词填空1．Wewereofferedachancetoseethe________(野生动植物)inthenationalpark.2．Wealthycountriesshouldoffermoneyandtechnologytohelppoorcountriesdealwith________(气候)change.3．Ourgovernmentismakinggreatereffortstocontrol________(温室)effect.4．Asthe________(飓风)seasoncomesup,wewillhavealotofrainfall.5．Whichofthefollowingmightbethebest________(标题)forthetext?wildlifeclimategreenhousehurricanetitle6．Doyouhaveanyc__________tomakeaboutthecauseofthedisaster?7．Therecentvolcanice________inthecountryhascausedalotofpollutiontotheair.8．Weweresofrightenedtosees________circlingaroundourboat.9．ProfessorWangiscomingtoourschoolandgivingusal________onsciencethisweekend.10．Therearem________ment(s)eruptionsharkslecturemillionsB．用准用活：请根据句子语境，用所给提示词的正确形式完成句子Group1:crowded1．Hegotupinfrontofthehuge________andmadeanexcitingspeech.2．Thetrainisso________thatIcan'tfindanywheretosit.Group2:living1．Theoldmanisoneofthe________folkartistsinthecountry.2．Therewillbea________TVprogrammeofthebigmatch.3．Ihopetherewillbea________andinterestingdiscussioninourclass.crowdcrowdedlivinglivelivelyGroup3:eruption1．It'smanyyearssinceMountVesuviuslast________．2．ThemostcommontypeofVolcanic________occurswhenlava(岩浆)isreleasedfromavolcanicvent(火山口).Group4:ecology1．Mybrotherhasgotmuchinterestinnatureandhasdecidedtotake________ashismajor.2．Weshouldworkhardtokeepthe________balanceofthearea.Group5:shock1．Theaccidentisagreat________tothefamily.2．It________methatasthetopstudentinourclass,Tom,shouldhavefailedintheexam.3．Thenumberofpeoplewhodiedintheaccidentis________．eruptederuptionecologyecologicalshockshockedshockingⅡ.练短语—记牢固请根据所给中文写出相应的短语1．对……置之不理；对……撒手不管____________2．照顾；照料________________3．在将来________________4．结果；因此________________5．面对________________6．在自然界中；本质上________________7．被……覆盖________________8．事实上________________9．遭受________________10．利用________________turnone'sback(onsb./sth.)takecareofinthefutureasaresultinthefaceofinnaturebecoveredwithinfactsufferfrommakeuseofⅢ.练句子—用活用准短语请根据中文提示用正确的短语完成句子1．我们想在大自然中度过一周的时光，这里看上去是个完美的地方。Wewantedtospendourweek________，

andthislookedlikeaperfectspot.2．全世界大约有3.5亿人听力受损。Thereareabout350millionpeopleallovertheworldwho___________hearingloss.3．到11月，这个地区将被大雪覆盖，道路运输变得更加困难。ByNovember,thisareawill____________snow,makingroadtransportevenmoredifficult.innaturesufferfrombecoveredwith4．我失去工作的时候，我哥哥没有不理我，相反，他尽最大努力帮助我。Myolderbrotherdidn't____________mewhenIlostmyjob;instead,hetriedhisbesttohelpme.5．地球是我们的家园，我们有责任为自己和后代照顾好它。Theearthisourhomeandwehavethedutyto_____________itforourselvesandourlatergenerations.turnhisbackontakegoodcareofⅣ.单句写作请根据句意和提示短语翻译句子1．离开父母后，我们应该学会照顾好自己。(takecareof)_________________________________________________________2．我打算将来在大学里学习一些有关中国传统文化的东西。(inthefuture)__________________________________________________________________________________________________________________3．自然界中有许多不同种类的动植物。(innature)_________________________________________________________Weshouldlearntotakecareofourselveswhenweareawayfromourparents.Inthefuture,IamgoingtolearnsomethingabouttraditionalChinesecultureintheuniversity.Therearemanydifferentkindsofanimalsandplantsinnature.4．飓风过后，街上到处是折断的树枝。(becoveredwith)_________________________________________________________5．面对危险，我们应该保持镇静。(inthefaceof)_________________________________________________________6．许多贫困地区的人们还遭受着饥饿的折磨。(sufferfrom)_________________________________________________________7．我们都在利用这项新技术改进我们的工作。(makeuseof)_________________________________________________________Afterthehurricane,thestreetswerecoveredwithbrokenbranches.Weshouldkeepcalminthefaceofdanger.Inmanypoorareas,peoplearestillsufferingfrom