必修二unit4 Animal extinction

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AnimalextinctionLookatthesepicturesandanswerquestions:They___________________alongtimeago.disappeared/diedoutQ1:Whatarethey?Q2:Whathappenedtothem?Theyare_________dinosaursWhatmightbethereasonsfortheirextinction?GuessingWhendiddinosaurslive?Tensofmillionsofyearsago,longbeforehumanscameintobeing.Whendiddinosaursdieout?FastReadingDinosaursdiedoutsuddenlyabout65millionyearsago.Howdiddinosaursdieout?Maybethat’sbecauseahugerockfromspacehittheearthandputtoomuchdustintotheairorbecausetheearthgottoohottoliveon.FastReadingFastReadingTrueorfalse1.TherearemanydifferentspeciesofdinosaurandallofthemhavebeenfoundinChina.2.Notlongago,ararenewspeciesofbird-likedinosaurwasdiscoveredinHenanProvince.anumberLiaoningFFCarefulReading3.Somescientistsaresuredinosaursdiedoutbecausetheearthgottoohotforthedinosaurstoliveonanymore.FthinkCarefulReadinglongbefore“很久之前”,引导______从句。Itwillbelongbefore+从句(很久之后才…)Itwill(not)belongbefore+从句(不久就....)Languagepoints1.Theylivedontheearthtensofmillionsofyearsago,longbeforehumanscameintobeing…时间状语Ex.It___longbeforewe___theresultOftheexperiment.A.willnotbe;willknowB.is;willknowC.willnotbe;knowD.is;know拓展:beforelong不久以后ontheearth在地球上。在earth,sun,moon等表达世界上独一无二的名词前,要加the。onearth究竟;到底。◆2.comeintobeing:形成,产生■漏油事件危害到了许多海鸟的生存,这促使了许多以保护鸟类为目标的社会团体形成______withoilspills____manyseabirds,whichhasencouragedsocietiesto____________,whose___istosavethebirdsIncidentsharmcomeintobeinggoal■我们的学校是1997年建立的※Ourschool___________in1997ABsetupwassetup※Ourschool___________in1997cameintobeingABwascomeintobeingcomeintobeing不可以用被动语态Thereisastoryabouthowtheword“sandwich”___________AcameintobeingBwascameintobeingCcametopowerDwascametopower◆3.accordingto:按照,根据….所说■根据标题和图片,这篇文章主要讲的是什么内容?Whatisthemainideaofthepassage_________the____andthepicturesaccordingtotitle■Wearepaid__________howmuchworkwedid.■____________manyoldpeople,helikesthiskindofsong.ABCDaccordingtoaccordingtoasaresultofWiththehelpofIncommonwith4.Somescientiststhinkitcameafteranunexpectedincidentwhen…incidentn.事件;事变Theseriousincidentalongtheborderincreasedourfearsofthewar.accident,incident,event这些名词均有“事故、事件”之意。accident:强调偶然或意外发生的不幸事情。incident:既可指小事件或附带事件,又可指政治上具有影响的事件或事变。event:可指任何大小事件,但尤指历史上的重大事件。野生动植物保护基金会定期视察大熊猫保护区,结果那里的大熊猫得到了很好的保护。他们确保任何大熊猫捕猎者会受到惩罚,毫不留情。TheWWF_______thepanda_______regularly_______thepandastherearewellprotected.Theymakesurethatanyonewho____apandawillbepunish____________inspectsreservesothathuntswithoutmercysothat◆“结果…”引导结果状语从句■Pleasespeakloudlyandclearlysothat“为了”引导目的状语从句◆so…that…“如此…以至于”■Everybodylentahandsothat■TheflyingcarpettravelledsofastthatnextminutetheywereinZimbabwetheworkwasfinishedaheadoftime.(结果)everyonecanhearyou(为了)5.sothatDodoItstoodaboutameter(3feet)tall,weighingabout20kilograms,livingonfruit,andnestingontheground.Thedodohasbeenextinctsincethemid-to-late17thcentury.Itbecameextinctinabout1681.Itsextinctionwasdirectlyattributabletohumanactivity.setatrap设圈套Theysetatrapforhimandhewalkedrightintoit.Thepolicesetatraptocatchthethief.spearn.矛Thefisherusedaspearashisweapon.Newexpressions

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