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-2022学年新教材高中英语Unit3ConservationSectionⅠ复习课件-2022学年新教材高中英语Unit3ConservationSectionⅠTopicTalk&Lesson1TheSixthExtinction课件北师大版选择性必修第一册Unit3 ConservationSectionⅠ TopicTalk&Lesson1TheSixthExtinction晨读晚诵走近新课·一起读文阅读鉴赏·一起思考随堂练习晨读晚诵导语:人类不能是这个孤独星球上的唯一幸存者。Theremightbeasmanyas10millionspeciesofcomplex1...

-2022学年新教材高中英语Unit3ConservationSectionⅠ
复习 课件 超市陈列培训课件免费下载搭石ppt课件免费下载公安保密教育课件下载病媒生物防治课件 可下载高中数学必修四课件打包下载 -2022学年新教材高中英语Unit3ConservationSectionⅠTopicTalk&Lesson1TheSixthExtinction课件北师大版选择性必修第一册Unit3 ConservationSectionⅠ TopicTalk&Lesson1TheSixthExtinction晨读晚诵走近新课·一起读文阅读鉴赏·一起思考随堂练习晨读晚诵导语:人类不能是这个孤独星球上的唯一幸存者。Theremightbeasmanyas10millionspeciesofcomplex1lifeonthisplanettoday—ahugenumber.Butaddupallofthecomplexspeciesthateverlivedandsomebiologiststhinkthegrandtotalwouldbeaboutfivebillion.Theestimate2leadstoanastonishingconclusion:astaggering99%ofspeciesarenotaroundanymore.Theyhavebeendriventoextinction.Theremightbeasmanyas10millionspeciesofcomplex1lifeonthisplanettoday—ahugenumber.Butaddupallofthecomplexspeciesthateverlivedandsomebiologiststhinkthegrandtotalwouldbeaboutfivebillion.Theestimate2leadstoanastonishingconclusion:astaggering99%ofspeciesarenotaroundanymore.Theyhavebeendriventoextinction.Morespeciesarejoiningtheranksoftheextincteveryyear.Manyscientistsbelievewearelivingthroughanepisode(一段经历)ofremarkablyrapidextinction,onascalethathasbeenseenonlyfivetimesinthelasthalfabillionyears.Theycallthiscurrentepisodethesixthmassextinction—alarge,globaldeclineinawidevarietyofspeciesoverarelativelyshortperiodoftime.Andtheytendtoagreethathumansarethemaincause.Over-hunting,overfishing,andhuman-drivenhabitatlossarepushingmanyspeciestothebrink.Infact,wehavechangedtheplanetsomuchthatsomegeologistsarenowsuggestingthatwehaveenteredanewphase3inEarth’shistory;anepochtheycallthe“Anthropocene〞.By2100,itisexpectedthathumanswillhavecausedtheextinctionofuptohalfoftheworld’scurrentspecies.Becausewearelivingthroughthisextinction,itisrelativelyeasyforustostudythedrivingforcesbehindit.Buthowdowedeterminewhatcausedothermassdie-offsthathappenedlongago?Todosowehavetolookatwhatarchaeologists,paleontologists,geologistsandotherscientistshaveconcludedfromtheevidencetheyhavegathered.Thetroubleis,thosescientistsdonotalwaysagreewithoneanother—evenaboutthemostrecentextinctionevent.Aswellasthefive-orsix-massextinctions,therehavealsobeenmanysmallerextinctions.OneoftheseminiextinctioneventshappenedtowardstheendofthePleistocene,afewtensofthousandsofyearsago.Itissometimescalledthe“megafaunaextinction〞becausemanyofthespeciesitclaimedwereparticularlylargeanimals,weighingmorethan97lb(44kg).However,itscauseremainsadebateamongstscientists.译文:今天在这个星球上可能有多达一千万种复杂的生命——一个巨大的数字。但是,把所有曾经存在过的复杂物种加起来,一些生物学家认为总数大约是50亿。这一估计得出了一个惊人的结论:竟有99%的物种已经灭绝。他们已被赶尽杀绝。每年都有更多的物种参加灭绝的行列。许多科学家认为,我们正在经历一场非常迅速的物种灭绝,其规模在过去5亿年里只出现过5次。他们称目前的这一事件为第六次大灭绝——在相对较短的时间内,大量物种在全球范围内大量减少。他们倾向于认为人类是主要原因。过度狩猎、过度捕捞和人类活动导致的栖息地丧失正将许多物种推向灭绝的边缘。事实上,我们对地球的改变如此之大,以至于一些地质学家现在认为,我们已经进入了地球历史上的一个新阶段;一个他们称之为“人类世〞的时代。预计到2100年,人类将导致目前世界上多达一半的物种灭绝。因为我们正经历着这种灭绝,所以研究其背后的驱动力相对容易。但是我们如何确定是什么导致了很久以前发生的其他大规模死亡呢?要做到这一点,我们必须看看考古学家、古生物学家、地质学家和其他科学家从他们收集的证据中得出了什么结论。问题是,这些科学家并不总是意见一致——甚至在最近的灭绝事件上也是如此。除了五次或六次大规模灭绝外,还有许多规模较小的灭绝。其中一个小灭绝事件发生在更新世末期,数万年前。它有时被称为“巨型动物灭绝〞,因为被它夺去生命的许多物种都是特别大的动物,体重超过97磅(44公斤)。然而,其原因在科学家中仍存在争议。【词海拾贝】1plex/̍kɒmpleks/adj.复杂的;复合的2.estimate/̍estImət/n.估计,估价;判断3.phase/feIz/n.时期,阶段【理解诱思】Whatcanwelearnaboutthesixthmassextinction?A.Humansarethemaincauseofit.B.Itmeansaglobaldeclineoveralongtime.C.ItoccurredtowardstheendofthePleistocene.D.Scientistsstilldisagreeaboutthecauseofit.答案:A走近新课·一起读文词汇新知阅读理解词汇新知一、单词英汉互译1.conservation/̩kɒnsə̍veIʃən/n.      2.plastic/̍plæstIk/adj.        3.illegally/I̍liːəli/adv.            4.extinct/Ik̍stIŋkt/adj.            5.incredibly/In̍kredəbli/adv.           6.endangered/In̍deIndʒəd/adj.        7.solar/̍səʊlə/adj.          保护塑料制的非法地,违法地灭绝的,绝种的非常地,极端地濒危的太阳光(能)的8.hatch/hætʃ/vi.&vt.      9.restore/rI̍stɔː/vt.      10.       /dI̍strɔI/vt.破坏;毁掉 11.      /̍aItəm/n.一项,一条 12.       /̩riː̍saIkəl/vi.&vt.再利用,回收利用 13.        /In̍fɔːmətIv/adj.有教育意义的;知识性强的 14.      /ret/n.威胁;(灾难等坏事)发生的可能 15.      /swItʃ/vi.&vt.转换,改变 (使)孵化(使)恢复destroy itemrecycle informative threat switch16.      /̍spiːʃiːz/n.物种,种 17.       /ʌn̍juːʒuəl/adj.异常的;不平常的 18.      /mæs/adj.大量的 19.      /̍veərid/adj.各种各样的,形形色色的 20.       /dI̍kriːs/vi.&vt.减少 n.减少;减少的量 21.      /ə̍fekt/vt.影响 species unusual mass varieddecreaseaffect二、短语英汉互译1.wipeout            2.causeforconcern            3.beatrisk            4.solarenergy            5.offthecoast            彻底消灭引起忧虑处境危险,受到威胁太阳能远离海岸线6.            起某种作用 7.            尽自己的 职责 岗位职责下载项目部各岗位职责下载项目部各岗位职责下载建筑公司岗位职责下载社工督导职责.docx  8.            寻找 9.            消失;绝迹,灭绝 10.            把……归咎于 havearole doone’sparthuntfor dieout betoblame阅读理解一、阅读课文“THESIXTHEXTINCTION〞,判断正误(T/F)1.Itisnotcommontoseeanimalsextinctinourplanet.(  )2.Thedeathofthedinosaursoccurredintheforthmassextinction.(  )3.Speciesaredyingoutatanalarmingrate.(  )4.Uptothree-fourthsofspecieswillbeextinctifthereisasixthmassextinction.(  )5.Asixthextinctionisunavoidable.(  )FFTTF二、阅读课文“THESIXTHEXTINCTION〞,选择正确答案1.Whichofthefollowingisnotincludedinthecausesforthelastfiveextinctions?A.Globalwarming.B.Volcaniceruptions.C.Thedecreaseoftheoxygencontentofthesea.D.Humanactivity.D2.Whichofthefollowingdoesn’tbelongtohumanactivity?A.Deforestation.B.Airandwaterpollution.C.Changesinsealevels.D.Overfishing.C3.Whatisthepurposeofthelastparagraph?A.AppealtopeopletoprotecttheEarth.B.Blamepeoplefordestroyingtheenvironment.C.Urgethegovernmenttotakeaction.D.Warnthepublictoreducetheirdestructivebehaviour.A4.Whatcontributedtothesurvivaloftheblackrobin?A.Therestorationoftheirhabitats.B.Theeffortsofthewildlifeworkers.C.Theremovalofanimalshuntingthem.D.Thechicksraisedbytheworkers.B三、仔细阅读课文“THESIXTHEXTINCTION〞,并根据课文内容将短文补充完整Uptonow,there1.          (be)fivemassextinctions,whereentirespeciesarewiped2.   ,amongwhichthe3.      (three)oneisknownas“GreatDying〞.Thereare4.      (vary)reasonsresultingintheextinction,5.       (range)fromvolcaniceruptionsto6.       (change)insealevels. hasbeenoutthirdvariedrangingchangesManyexpertsbelieveweareenteringthesixthextinctionandhumanactivityis7.       (blame).Therateat8.      animalsaredyingout9.     (become)acauseforconcern.Weneedtotakestepstosaveendangeredspeciesandstopdestroying10.      planetwherewelive. toblamewhichbecomesthe阅读鉴赏·一起思考1.Ourenvironmentneedsprotection.(Page50)我们的环境需要保护。★needv.需要Thecarneedswashing.Thecarneedstobewashed.这辆车需要洗了。(needdoing主动表被动,相当于needtobedone)【合作探究】读一读·细观察 阅读以下句子,写出句中与need相关的词组和含义①Thereisnoneedtoworryabouthim.词组Thereisnoneedtodo 含义做……没有必要②Thereisnoneedforfurtherdiscussionontheissue.词组Thereisnoneedfor 含义……没有必要③Reliefshouldbegiventopeopleinneed.词组inneed 含义有需要的④Theyprintedanother10,000bookstomeettheneedsofthereaders.词组meettheneed(s)of 含义满足……的需求⑤Youneedn’thavetakenataxi.Itisonly3-minutewalk.词组needn’thavedone 含义本不需要做说一说·勤归纳 记一记·长知识 与needdoing主动表被动,相当于needtobedone用法相似的动词还有:want,require,deserve等等。Theheroicdeeddeservespraising.Theheroicdeeddeservestobepraised.英雄事迹值得赞扬。【即学即用】单句语法填空①Afriend      needisafriendindeed. ②Themeatneeds            (roast)beforebeingserved. ③Thereisnoneed          (bother)him.Wecanmanageitbyourselves. inroasting/toberoastedtobother完成句子④我们本不需要再买这些椅子。储藏室有多余的。We                allthesechairs.Therearesomeextrainthestorageroom. ⑤我们书店很需要?哈利·波特?系列的书。TheHarryPotterseries          inourstore. needn’thaveboughtareingreatneed2.Ireallyfeelstronglythatweneedtochangethewayweliveinordertoprotectourplanet.(Page50)我确实强烈地感到,为了保护我们的星球,我们需要改变我们的生活方式。剖析theway后加从句时,表示“……的方式〞,通常可以用inwhich,that引导或者不加引导词。Idon’tlikethewayyoutalktoyourmom.Idon’tlikethewaythatyoutalktoyourmom.Idon’tlikethewayinwhichyoutalktoyourmom.我不喜欢你跟你妈妈讲话的方式。【合作探究】读一读·细观察 阅读以下句子,用相似的结构改写句子①IwasneverallowedtosingthewayIwantedto.Iwasneverallowedtosingthewaythat/inwhichIwantedto. ②Colouristhekeytomakingaroomfeelthewayyouwantittofeel.Colouristhekeytomakingaroomfeelthewaythat/inwhichyouwantittofeel. 说一说·勤归纳 【即学即用】单句语法填空①Themusiccan’tbepresentedtodaytheway    itwasin1908or1958. ②Themusiccan’tbepresentedtodaythewayin   itwasin1908or1958. thatwhich翻译句子③它必须继续往前走,因为世界运作的方式是不一样的。(用至少两种方式翻译)Ithastocontinuetomove,becausetheway(that/inwhich)theworldworksisnotthesame.3.Conservationisastateofharmonybetweenmenandland.(Page51)保护是一种人与土地的和谐状态。★staten.状态Heisnowinacriticalstate.Ifhecanpullthrough,everythingwillbefine.他现在处于关键的状态。如果他能挺过去,一切都会好起来。【合作探究】读一读·细观察 阅读以下句子,写出句中与state相关的词组、词性和含义①Thestate-runnewsagencyreleasedabreakingnewsthismorning.词性形容词 含义国营的②Thelawdidnotstateclearlywhatinformationisfake.词性动词 含义说明③Whichofthefollowingstatementsistrue?词性名词 含义说法④Theofficemadeapublic/anofficialstatementtoclarifythematter.词组apublic/anofficialstatement 含义公开/官方声明说一说·勤归纳 【即学即用】单句语法填空①Atthebeginning,theUSwasmadeupof13  (state). ②Iwas      aconfusedstateofmindandcouldn’tunderstandwhathewastalkingabout. 完成句子③肉处于冰冻的状态,所以我们不能直接用。Themeatwas         sowecouldn’tuseitdirectly. statesininafrozenstate4.HowmanytimesuptotodayhaslifeonEarthalmostdiedout?(Page52)到今天为止,有多少次地球上的生命几乎灭绝?★uptotoday直到今天Uptotoday,over50candidateshaveappliedforthejob.到今天为止,已有50多个人申请了这份工作。【合作探究】读一读·细观察 阅读以下句子,写出句中与upto相关的词组和含义①Itisuptoyoutodecidewhethertoparticipateornot.词组uptosb 含义取决于 ②Thestadiumcanseatupto60,000people.词组upto 含义多达 ③Whathashebeenuptorecently?词组beuptosth 含义在做某事(非正式)看一看·助记忆 说一说·勤归纳 【即学即用】单句语法填空①They            (receive)over50complaintsaboutthenoiseuptonow. ②Itisup      youtodecidewhethertoaccepttheofferornot. havereceivedto翻译句子③多达5,000人参加了他的葬礼。④我很好奇你最近在搞什么鬼。Upto5,000peopleattendedhisfuneral.Iwaswonderingwhatyouhavebeenuptorecently.5.Andthefifthevent,whichoccurred66millionyearsago,causedthedeathofthedinosaurs.(Page52)第五次物种大灭绝事件发生在6,600万年前,导致了恐龙的死亡。★occurvi.发生AgreatdeclineinyoungworkforceislikelytooccurinChina.中国可能会出现年轻劳动力大幅减少。【合作探究】读一读·细观察 阅读以下句子,写出句中与occur相关的词组、词性和含义①Culturaldifferencesoccurwhereveryougo.词性动词 含义存在②Idon’twantanythingbadtooccurtoyou.词组occurtosb 含义发生在某人身上③ItoccurredtomethatIcouldborrowabikefromyou.词组occurtosb 含义某人想到……记一记·长知识 【即学即用】单句语法填空①Aterribleaccident       (occur)yesterday,claiming15lives. ②Itoccurred      himthathehadanimportantmeetingtoattendthenextmorning. occurredto完成句子③他突然间想到他把钥匙落在办公室了。                     thathehadleftthekeyintheoffice. 翻译句子④我从来没有想过要不辞而别。Itsuddenlyhit/struck/occurredtohimItneveroccurstometoleavewithoutsaying.6.ManyscientistssaywearenowenteringtheEarth’ssixthmassextinction.Thistime,humanactivitywillbetoblame.(Page52)许多科学家说,我们现在正在进入地球的第六次大灭绝。这一次,人类活动将是罪魁祸首。★betoblame该受责备(无需用被动形式)Itisthepedestrian,notthedriver,thatistoblame.是行人而不是司机该受责备。【合作探究】读一读·细观察 阅读以下句子,写出句中与blame相关的词组和含义①Shewasblamedforfrequentabsencefromschool.词组beblamedfor 含义因为……受责备②Itisunfairtoputtheblameonthegirl.词组puttheblameonsb 含义将责任归咎于……③Sheshouldbeblamedforthefailureofthesystem.词组shouldbeblamedfor 含义应该因为……而被责备记一记·长知识 【即学即用】单句语法填空①Lotsofpeoplefindithardtogetupinthemorningandputtheblame      thealarmclock. ②Themaninsistedthathewasinnocent,     (blame)thatthepolicewerenotdoingtheirduty. ③Whois      (blame),thesystemorthepeopleinvolved? onblamingtoblame完成句子④他把责任推给其他队员,逃脱了干系。Hegotawayby              theotherteammembers. ⑤是你该为整个事故负责任。Itisyouthat                forthewholeaccident. puttingtheblameonaretoblame/shouldbeblamed7.Althoughitisnotunusualforspeciestodieoutnaturally,therateatwhichthisisnowhappeningiscauseforconcern.(Page52)虽然物种的自然灭绝并不罕见,但现在灭绝的速度让人担忧。★raten.率,价格Whatistherateforastandardroomtoday?今天 标准 excel标准偏差excel标准偏差函数exl标准差函数国标检验抽样标准表免费下载红头文件格式标准下载 间的价格是多少?【合作探究】读一读·细观察 阅读以下句子,写出句中与rate相关的词性、词组和含义①TheexchangeratebetweenChineseYuanandUSdollaris7.13fortoday.词组exchangerate 含义汇率 ②Theglobaltemperatureisincreasingatanalarmingrate.词组atanalarmingrate 含义以惊人的速度③Howwouldyouratethismovie,fiveorfourstars?词性动词 含义 评价 LEC评价法下载LEC评价法下载评价量规免费下载学院评价表文档下载学院评价表文档下载 ;划分等级④Atanyrate,thepackagewillbedeliveredtoyouinthreedays.词组atanyrate 含义不管怎样 看一看·助记忆 记一记·长知识 【即学即用】单句语法填空①Thecarisrunning      arateof120kilometresperhour. ②Iwouldrateit      oneofthebestmoviesthatI’veeverseen. atas完成句子③过去几年出生率有所下降。Thepastfewyearshaswitnessedadropin     . ④这所大学因其学术研究而受到高度评价。Theuniversity         foritsacademicresearch.thebirthrateishighlyrated8.Withoutforests,wewouldhavenoairtobreathe...(Page53)如果没有森林,我们就没有空气可以呼吸……剖析此句用without短语表示虚拟条件,主句应用虚拟语气。Icouldn’tlivesuchalifewithoutagoodwife.没有一个好妻子,我无法过这样的生活。这个句式中的“without+名词〞替代了一个虚拟的条件状语从句:IfIdidn’thaveagoodwife,Icouldn’tlivesuchalife.【合作探究】读一读·细观察 阅读以下句子,用without改写句子①Iftherewerenoair,wehumanscouldn’tlive.Wehumanscouldn’tlivewithoutair. ②Ifithadn’tbeenforyourhelp,Icouldn’thavepassedtheexam.Icouldn’thavepassedtheexamwithoutyourhelp. ③Wewouldbeunabletosurviveiftherewerenocleanwater.Withoutcleanwaterwewouldbeunabletosurvive. 说一说·勤归纳 【即学即用】单句语法填空①Pleaseshowupatthemeeting.I         (be)terrifiedwithoutyou. ②Icouldn’t            (achieve)itwithoutyourgeneroussupport. wouldbehaveachieved完成句子③这里一定有其他人。没有别人帮助,这个男孩子不可能算出这道题。Theremusthavebeensomeoneelsehere.Theboy                    withouthelp.④没有地球,我们没有地方居住。We               withouttheEarth. couldn’thaveworkedouttheproblemwouldn’thaveaplacetolive9.Expertssaythatitisnotyettoolate,ifwetakeactionnow.(Page53)专家们说,如果我们现在就采取行动,还为时不晚。★takeaction采取行动Suchanideaurgedhimtotakeimmediateaction.念头一出,他马上行动。【合作探究】读一读·细观察 阅读以下句子,写出句中表达采取行动,采取 措施 《全国民用建筑工程设计技术措施》规划•建筑•景观全国民用建筑工程设计技术措施》规划•建筑•景观软件质量保证措施下载工地伤害及预防措施下载关于贯彻落实的具体措施 的词组①Weshouldtakeimmediateactiontodealwiththeproblem.词组takeaction ②Thegovernmenthastakenmeasurestostoptheproblemfromgettingworse.词组takemeasures ③Weneedtotakestepstocleanuptheriver.词组takesteps 看一看·助记忆 说一说·勤归纳 记一记·长知识 【即学即用】单句语法填空①Theytookstrong       (measure)againstdangerousdrivers. ②Effectivemeasuresmust           (take)toimprovethepresentsituation. measuresbetaken完成句子③你要完全相信你的本能并准备好在必要的时候对他们立刻采取行动。Youneedtototallytrustyourinstinctsandbepreparedto                uponthemifnecessary. ④一个小小的善意的举动能有大不同。           canmakeabigdifference. takeimmediateactionAsmallactofkindness10.Weneedtochangehowweworkandtravelbyusingcleaner,morenaturalsourcesofenergy,suchaswindandsolarenergy.(Page53)我们需要改变我们的工作和旅行方式,使用更清洁、更自然的能源,如风能和太阳能。★sourcen.来源Over40percentofadultsusetelevisionastheirmajorsourceofinformationaboutthearts.超过40%的成年人把电视用作他们了解艺术信息的主要来源。【合作探究】读一读·细观察 阅读以下句子,写出句中与source相关的词组和含义①Youshouldpaycloseattentiontothesourceoftheinformationyouplantouse.词组thesourceoftheinformation 含义信息的来源②Whenreadingapieceofnews,checkthesourceofthenewstomakesureitisreliable.词组thesourceofthenews 含义新闻的来源③Thesourceofthewatershouldbewellprotectedsothatitwillnotbepolluted.词组thesourceofthewater 含义水源记一记·长知识 【即学即用】单句语法填空①Itisurgenttofindalternative       (source)toreplacethenon-renewableones. ②Thisgavemeaclueastothesource      theproblem. sourcesof完成句子③我们已经找到麻烦的来源了。We’vefound           thetrouble. ④人们说网络是他们获得当地信息的主要来源。PeoplesaidtheInternetwas          localinformation. thesourceoftheirmajorsourceof随堂练习一、单词拼写1.Asamanager,youwillhavetobearpartofthe    (责任). 答案:blame2.Thechemicalisinanunstable      (状态)andmayexplodeatanytime. 答案:state3.Iamcallingtoenquireaboutthe      (价格)ofasingleroomontheweekend. 答案:rate4.These      (物品)willbeputonauctionifnooneclaimsforthem. 答案:items5.RememberthethreeRs:       (回收),reuseandreduce. 答案:recycle6.Thereare      (各种各样的)reasonswhypeoplecannotcommittotheprotection. 答案:varied/various7.Inonestory,thewholevillagewas       (毁掉)byanangrygod. 答案:destroyed8.Yourhealthwillbeseverely       (影响)ifyoukeepstayingup. 答案:affected9.Theproductscanbeputinto      (大规模的)productionifthetrialissuccessful. 答案:mass10.ItisunfairtoseeChinaasamere      (威胁).Wearewillingtocooperatewithanyfriendlycountryintheworld. 答案:threat二、句型转换1.Thecarneedsrepairing.(用need的其他结构改写句子)答案:Thecarneedstoberepaired.2.Iwouldn’thaveknownwhattodoifyouhadn’tbeenthere.(用without改写句子)答案:Iwouldn’thaveknownwhattodowithoutyou.3.Extinctionsarenotunusualinthehistory.Entirespeciesarewipedoutintheextinctions.(将两句话合并为包含定语从句的复合句)答案:Extinctions,whereentirespeciesarewipedout,arenotunusualinthehistory.
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