高中英語Unit5MeetingyourancestorsSection1WarmingUpandReading課件新人教版選修.ppt

,Meetingyourancestors,Unit5,牽手課堂,TheZhoukoudianBeijingManSiteisoneofthemostimportantworldheritage(遺產(chǎn))sitesinChina.Sincethediscoverywasmadeinthe1920s,Zhoukoudianhasbecomeanimportantplaceforarchaeologistsfromallovertheworld.Atthesiteinthesouthwestsuburb(郊區(qū))ofBeijing,thereis,forexample,theearliestevidenceoftheuseoffirebyhumans.Ithasalsobeenprovedthatpeoplelivedtherecontinuouslybetween500,000and10,000yearsago.,Today,however,Zhoukoudianisinseriousdanger.Partsofthecaveshavebeenbadlyaffectedbyrainandexposuretotheair.Someareasarealmostcompletelycoveredinweeds,causingseriousdamage.Pollutionfromnearbycement(水泥)factorieshasalsocontributedtotheproblem.Thesiteisextremelyexpensivetomaintain(維持)anditwillcostbetweenthreeandfivemillionyuantorepairit.Atthemoment,visitorsarenotallowedtovisitthecaves.ZhoukoudianisontheWorldCulturalHeritageList,organizedbyUNESCO,theUnitedNationsEducational,ScientificandCulturalOrganization.Thelistisconstantlychecked.Anysitewhichisseriouslydamagedorwhichisnotproperlyprotectedisanendangeredheritage,andUNESCOisveryquicktodosomethingaboutsituationslikethis.Theyhaverecommendedthatthesitebeclosedandrepaired.Ifnothingisdonetorepairit,itcouldberemovedfromthelist.,ThisisaveryseriousmatterandtheChineseAcademyofSciencesistryingtoraisepublicawarenessaboutit.Dr.ZhuMingoftheAcademysaid,“Wehaverequestedthatthegovernmentgetinvolved,butwealsoneedassistancefromordinarypeople.Theycanhelpbycontributingtothecostofrepairingthecaves.Theyareapreciouspartofourculturalheritageitisofgreatimportancethatwedosomething.Ifnot,itwillbeacatastrophe.”,SectionWarmingUpandReading,欄目導(dǎo)航,.Scanthetextandchoosethebestansweraccordingtothetext.1.Wheredothecaveslie?A.Intheforest.B.Ontheseaside.C.Atthefootofthehill.D.Higherupthehill.答案：D,2.Whichofthefollowingmaterialdidtheearliestpeopleinthecavesusedtomakeclothesaccordingtotheconversation?A.leavesB.woolsC.animalskinsD.cotton答案：C3.Fromtheconversationwecaninferthattheearliestpeopleinthecavesprobably_.A.weregoodatbuildingboatsB.mainlydependedonseaforalifeC.travelledtotheseaD.didntcareabouttheirappearance答案：C,4.Whichofthefollowingisthecorrectorderabouthowearlypeoplemadeclothes?a.cleanthefatandmeatfromtheskinb.cutuptheanimalsc.rubsaltinsidetheskind.removetheskine.sewthepiecestogetherA.bdcaeB.bdaceC.badceD.bacde答案：B,.Readtheconversationagain.Writedownthethreetopicsofthearchaeologistspartofthedialogue.Topic1:LifeinthecaveTopic2:WhatwecanlearnfromaneedleTopic3:Whatwecanlearnfromanecklace,.Completethefollowingpassagewiththewordsinbracketsintheirproperformsorthewordsfromthetext.AgroupofstudentsfromEnglandhascometotheZhoukoudiancaves1._avisit.2._archaeologistisshowingthemround.Thearchaeologists3._(excavate)hereformanyyears.After4._(find)humanandanimalbonesinthosecaveshigherupthehillaswellastoolsandotherobjects,theythink5._isreasonabletoassumetheylivedinthesecaves,regardlessofthecold.Theydiscoveredfireplacesinthecentreofthecaves6._theymadefires.Someevidencesuggeststhatourancestorsdidwearclothes7._(make)fromanimalskins.Thearchaeologistalsoshowsthestudentsaprimitivenecklace8._(preserve)quitewell.,for,An,havebeenexcavating,finding,it,where,made,preserved,Indeed,asthebotanicalanalyseshaveshownus,allthefieldsaroundhere9._(use)tobepartofalargeshallowlake.Perhapstherewastradebetweenearlypeoples10._theytravelledtotheseasideontheirjourneys.,used,or,Pointalternativen.C可能的選擇adj.供選擇的；其他的,考點(diǎn)一單詞點(diǎn)擊,Canyouthinkofthealternativeswewouldusetoday?（教材P37）你能想出今天我們使用的替代品嗎？,analternativeto的替代品havethealternativeofdoingsth.有做的選擇；可以做Thereisnoalternative別無選擇havenoalternativebuttodosth.除了做某事別無選擇,WecantakeaboattoFlorida,andasanalternative,wecanfly.我們可以乘船去佛羅里達(dá)，另一個(gè)選擇是乘飛機(jī)。Ihadnomoney,soIhadnoalternativebuttostayathome.我身無分文，只能待在家里，別無選擇。,單句語法填空。（1）Nowwehavenoalternativebut_（cancel）thiscontract.單句改錯(cuò)。（2）Youhavethealternativeofspeakingandkeepingsilent.,Ihavenoalternativebuttogiveuptheplan.=Ihavenochoicebuttogiveuptheplan.=Ihavenothingtodobutgiveuptheplan.除了放棄那個(gè)計(jì)劃我別無選擇。,tocancel,or,Pointinterruptvi.打斷講話；打岔；阻礙；中斷；插嘴vt.暫時(shí)中斷或中止,Imsorrytointerruptyoubuthowcouldtheylivehere?(教材P38)對不起，打斷了你的講話。不過，他們怎么能夠住在這兒的?Onepersonshoulddescribehisorherside,andtheotherpersonshouldlistenwithoutinterrupting.一個(gè)人應(yīng)描述他或她的狀況，而另外一個(gè)人應(yīng)該傾聽而不能打斷。,interruptwith用打斷beinterruptedby被打斷,Itisnotpolitetointerruptaspeakerwithfrequentquestions.不斷提問打斷演講者是不禮貌的。Theywereinterruptedbyasuddenandurgentknockatthedoor.他們被突然而急促的敲門聲打斷了。,interruptionn.阻斷物；中斷，打斷；打擾withoutinterruption不間斷地；不受打擾地,Shehaskeptupphysicaltrainingforseveralyearswithoutinterruption.她堅(jiān)持鍛煉，多年從未間斷。,interrupt,disturbinterrupt突然中斷、打斷他人的言語或行為，使其不能繼續(xù)，側(cè)重打斷disturb較正式的用詞，多用被動(dòng)語態(tài)。指“擾亂”，使人不能平靜或妨礙別人工作、思維或正常秩序，是程度較深的打擾,選詞填空（interrupt,disturb）。（1）Shetriedtoexplainwhathadhappenedbuthekept_her.（2）Ifyougetupearly,trynotto_anyoneelse.單句語法填空。（3）Thecalmoftheafternoon_(interrupt)byaloudbang.,interrupting,disturb,wasinterrupted,Pointassumev.假定；設(shè)想；承擔(dān)；采??；呈現(xiàn),assumetobe認(rèn)為是，假定是Itisassumedthat被認(rèn)為,Sowethinkitisreasonabletoassumetheylivedinthesecaves,regardlessofthecold.(教材P38)所以我們有理由認(rèn)為他們不顧嚴(yán)寒，就住在這些洞穴里。,Weassumedhimtobethebestwriterofourtime.我們認(rèn)為他是我們這個(gè)時(shí)代最好的作家。Itisgenerallyassumedthatstressiscausedbytoomuchwork.普遍認(rèn)為，緊張是工作過重所致。,(1)assuming(that)假定(作狀語)(2)assumptionn.設(shè)想；假定；承擔(dān)makeanassumption(about)(對)作出假設(shè)/推測；假定/認(rèn)為ontheassumptionthat假定,Assumingthattheadviceisaccepted,whenarewegoingtogetthemoney?假定這個(gè)建議被采納，我們什么時(shí)候能拿到錢？Peoplemakealotofassumptionsaboutherfamilybackground.人們對她的家庭背景做出種種推測?！军c(diǎn)撥】assuming以及suppose/supposing/providing/provided后可接從句，相當(dāng)于if,onconditionthat引導(dǎo)的條件狀語從句。,單句改錯(cuò)。(1)Assumethatitistrue,whatshouldwedonow?(2)Weareworkingintheassumptionthattherateofinflationwillnotincreasenextyear.,Assuming,on,Pointsharpenvi.急轉(zhuǎn)的,陡峭;突然的,急劇的,asharpturn急轉(zhuǎn)彎asharpincrease急劇增加,單句語法填空。(1)Coffeebecamepopularwithscholarsasit_(sharpen)themindratherthandulleditlikealcohol.解析：句意：咖啡在學(xué)者中間開始流行，因?yàn)樗苁顾季S變得敏銳，而不是像酒精那樣讓它遲鈍。(2)Languageisnotonlyknowledge;itisaskillwhichneeds_(sharpen)byusingintherealworld.解析：句意：語言不僅僅是一種知識，它是一種需要在真實(shí)世界中打磨的技能。,sharpened,tobesharpened/sharpening,Pointregardlessof不管；不顧；不理會,考點(diǎn)二短語詮釋,Sowethinkitisreasonabletoassumetheyliveinthesecaves,regardlessofthecold.(教材P38)因此，我們有理由認(rèn)為他們不顧嚴(yán)寒，就住在這些洞穴里。Hestoodforfreedomofspeechforeveryoneregardlessofcolor,raceorcreed.他主張不分膚色、種族或信仰，人人都有言論自由。Thefieldsgivehighandstableyieldsregardlessofclamaticcircumstances.不管天氣條件如何，這塊地總是保持穩(wěn)產(chǎn)高產(chǎn)。,（1）regardlessof“不管；不顧”，常接名詞短語。（2）although/though“雖然，盡管”，常接從句。（3）however/nomatterhow“無論”，常接從句。（4）inspiteof/despite“雖然，盡管”，常接名詞短語；有時(shí)也用于inspiteof/despitethefactthat結(jié)構(gòu)。,【注意】regardlessof強(qiáng)調(diào)“不認(rèn)為重要”，從而不加以重視或考慮，而despite和inspiteof有“盡管但是”之意，一般情況下可互換使用。,體會：不管費(fèi)用多少，我們必須采取一切措施搶救這位老人。Regardlessofexpense,wemusttakeeverymeasuretosavetheoldmanslife.Inspiteof/Despitethefactthathowmuchitwillcost,wemusttakeeverymeasuretosavetheoldmanslife.Nomatterhow/Howevermuchitwillcost,wemusttakeeverymeasuretosavetheoldmanslife.Althoughitcoststoomuch,wemusttakeeverymeasuretosavetheoldmanslife.,單句改錯(cuò)。(1)Hecontinuedspeaking,regardlessaboutmyfeelingsonthematter.(2)Theyremainfriendsdespiteofalltheirdifferences.解析：despite+名詞，盡管。,of,Pointatmost=atthemost至多；不超過,Itsatmostthreecentimetreslong.(教材P38)這東西最多三厘米長。Hellbebackinfiveminutes,tenminutesatmost.他會在五分鐘后回來，最多十分鐘。Perhapsyoucycletoschoolortowork,ormaybeatmostashortcyclingtripwithfriends?或許你騎自行車去上學(xué)或去上班，或者最多與朋友一起騎自行車旅行？,atleast=attheleast至少atanyprice/rate無論如何；不惜任何代價(jià)atfull/greatlength極詳細(xì)地；全身平伸地atlarge逍遙法外的at(the)best最多，充其量at(the)worst在最壞的情況下,Itisbettertogettotheairportinadvanceofatleastanhour.最好提前至少一小時(shí)到達(dá)機(jī)場。Ifshereallywantedhimbackthatbadly,atleastshewouldhavecalledhim,butshedidnt.如果她真那么想讓他回來，至少可以給他打個(gè)電話啊，但她根本沒打。,選用以上短語的適當(dāng)形式填空。(1)Thethievesarestill_,andbecauseofthelackofevidence，itisunlikelythattheywilleverbebroughttojustice.解析：句意：這群竊賊仍然逍遙法外，并且由于證據(jù)不足的緣故很可能無法定罪。(2)Ivespoken_abouttheimportanceofowningyourowntime.解析：句意：我已經(jīng)詳細(xì)地講過擁有自己時(shí)間的重要性。,atlarge,atgreat/fulllength,(3)Althoughheispoor,_heishonest.解析：句意：雖然他窮，但他至少是誠實(shí)的。(4)Dontexpectmuchofhim;heis_astudent.解析：句意：不要對他期望過多；他充其量是個(gè)學(xué)生。,atleast,atbest,Pointcutup切碎；使傷心；嚴(yán)厲批評,Itseemsthattheyusedthesharpenedstonetoolstocutupanimalsandremovetheirskin.（教材P38）看樣子他們是用磨尖的石器切割野獸并剝皮。Thispieceofmaterialmaybecutuptomakeapairoftrousers.這塊布料可以裁成一條褲子。Thearticlewasseverelycutupbysomecritics.那篇文章曾受到一些評論家嚴(yán)厲的抨擊。Icutupthecakeandgaveeachchildonepiece.我把蛋糕切開，給每個(gè)孩子各一份。,cutoff切斷；剪掉cutdown砍伐；削減cutin打斷cutout剪去，刪去;略去cutintopieces切成碎片,Shewasmuchcutupabouthisbrothersaccident.弟弟出事了，這讓她很傷心。,選用以上短語的適當(dāng)形式填空。（1）Lets_thechickenandmakesomesoup.（2）Thefloodshave_oursupplies.（3）Donttryto_whileothersaretalking.（4）Thecoalindustrywas_tohalfofitsformersize.,cutup,cutoff,cutin,cutdown,考點(diǎn)三句型歸納,Pointmust的“推測”功能,Youmustbeawarethatitsherethatwefoundevidenceofsomeoftheearliestpeoplewholivedinthispartoftheworld.（教材P38）想必你們知道,正是在這兒我們找到了居住在世界這個(gè)部分最早人類的證據(jù)。點(diǎn)撥：本句中的must用于對肯定或有把握的事情或情況表示推測，意思是“必定，準(zhǔn)是”。常用于以下四種結(jié)構(gòu)中：,（1）must+do表示對現(xiàn)在情況的推測。Heenteredtheroomjustnow.Hemustbehere.他剛剛進(jìn)屋，他一定在這里。Imsorryheisnthere.Hemusthaveleftalready.抱歉，他不在這兒。他準(zhǔn)是走了。（2）must+havedone表示對過去情況的推測。Hemusthavestayeduplastnight,forheisalittletiredinthemorning.他昨晚一定熬夜了，因?yàn)樗绯烤陀悬c(diǎn)疲憊。,（3）must+bedoing表示對正在發(fā)生的動(dòng)作或?qū)⒁l(fā)生的動(dòng)作的推測。TherewillbeanEnglishtesttomorrow.Hemustbepreparingforitnow.明天要考英語，他現(xiàn)在一定在準(zhǔn)備考試。（4）musthavebeendoing表示對過去某個(gè)時(shí)候或某段時(shí)間正在發(fā)生的動(dòng)作的推測。Imusthavebeensleepingwhenyoutelephonedmelastnight.當(dāng)你昨晚給我打電話的時(shí)候我一定正在睡覺。,can/could,may/might的推測功能：（1）can/could通常用于疑問句和否定句中表示推測。Thatcantbeourclassteacher.HehasgonetoBeijing.那一定不是我們的班主任，他已經(jīng)去北京了。（2）may/might用于肯定句和否定句中表示推測。（3）在肯定句中表示推測時(shí)must的語氣比may/might強(qiáng)。（4）在否定句中表示推測時(shí)can/could的語氣比may/might強(qiáng)。（5）情態(tài)動(dòng)詞can/could，must和may/might表示推測時(shí)，其反義疑問句不能用情態(tài)動(dòng)詞，必須去掉情態(tài)動(dòng)詞之后在句子本來意義的基礎(chǔ)上進(jìn)行反問。,Hemusthaveseenthefilm.可以理解為Hehasseenthefilm，所以反義疑問句用hasnthe？Hemusthaveseenthefilmyesterday.可以理解為Hesawthefilmyesterday，所以反義疑問句用didnthe？,單句語法填空。(1)Ihavelostoneofmygloves.I_(drop)itsomewhereinthelibrarythisafternoon.(2)Thelightisstilloninourteachersoffice;he_(mark)ourexampapersnow.,musthavedropped,mustbemarking,Pointas引導(dǎo)的非限制性定語從句,Yes,indeed,asthebotanicalanalyseshaveshownus,allthefieldsaroundhe