Unit5ADelicateWorldVocabularyandlistening第3课时学历案-高中英语选择性

枣庄三中实验高中校区高二年级上学期英语学历案编写教师：枣庄市实验高中英语统筹组长周敏使用日期：2023.11选必二Unit5ADelicateWorld（第3课时）Vocabularyandlistening自主学习【学】【课标要求】1.本单元的主题语境是“人与自然”，涉及的主题语境内容是保护我们脆弱的星球。。2.本课时围绕主题语境提供的语篇类型是对话。【学习目标】听懂并把握听力材料的核心思想和细节信息；使用所学语言描述某一生物的消失可能给人类带来的灾难性影响；；【自学评价】重点词组lookatthediagram _____________expressionsinbold _____________dissolvenutrients _____________absorblight _____________relyonvegetation _____________provideenergy _____________feedon _____________preyon _____________aswellas _____________breakdown _____________foodchain _____________livingthings _____________inexistence _____________pensatefor _____________accordingtostatistics _____________anaturedocumentary _____________checkout _____________inthatcase _____________师生研学【研】【学习过程】Step1VocabularyLearntheexpressionsinactivity5andpletethepassagewiththecorrectformsoftheminactivity6.Step2ListeningPrelisteningReadtheinformationin“DidYouKnow”togetsomebackgroundinformationofhoneybees.WhilelisteningListentotheconversationandfinishactivity7and8.PostlisteningWorkinpairsandtalkaboutwhatwouldhappentotheecosystemifanotherspeciesdiedout.ListeningmaterialMeg:HeyOllie,haveyouheardthatthebeepopulationisdeclining?Ollie:No,Ihaven’t.But,thinkingaboutit,Ihardlyeverseebeesthesedays.WhenIwaslittle,theyseemedtobeeverywhere!Meg:Ifbeesdieout,humanswilldieouttoo.Ollie:What?Youmustbekidding!Idon’tbelieveit!Meg:It'safact!!Iwatchedanaturedocumentaryallaboutittheotherevening.Beesareveryimportanttoourfoodsupply.Ollie:Howcanthatbepossible?Humanswon'tdieoutjustbecausethere'snohoney!Meg:Beesdon'tjustmakehoney.Don'tforgetthatbeesarealsoresponsibleforpollinatingplants.Withoutthem,cropswouldbeunabletoreproduce.Ollie:Butsurelythereareotherwaysofgettingthesecropstoreproduce.Doesithavetobebees?Meg:Well,thereareotherinsectsthatpollinateplants,butit'sunlikelythattheywouldbeabletofullypensateforthelossofbees.Beesareresponsibleforpollinatingabout70%ofthespeciesofcrops.Ollie:Areyousureaboutthatdata?Itsoundsratherexaggerated.Meg:Watchthedocumentaryandcheckitoutforyourselfifyoudon'tbelieveme.Withoutbees,numerousplantspecieswoulddieout.Animalsthatliveonthecropswoulddieout,andwewouldn'thaveenoughtoeat.Ollie:Seriously?That'sscary!Butlookingonthebrightside,therearemillionsandmillionsofbees.They'renotgoingtodieoutanytimesoon.Meg:I'mafraidyou'rewrong.Thebeepopulationisdecliningveryquickly.Accordingtostatistics,beenumbersintheUShavefallenby17%injustoneyear.Ollie:Gosh!Whatcausedthat?Meg:Abinationofthings,really,butit'smainlyduetodamagetotheirhabitatscausedbypesticidesandclimatechange.Ollie:Sohumanactivityisthemaincause?Meg:That'sright.Ollie:Well,inthatcase,we'dbetterdosomethingbeforeit'stoolate.训练提升【练】【当堂检测】I.选用方框内合适的短语并用其正确形式填空（每个短语限用一次）。feedon,breakdown,dieout,preyon,relyon1.Climatechangemightdryupgrassesandwaterthatthewildlife____________________.2.Herbivorousanimalsarethoseanimalsthat____________________plants,leaves,fruitsandothernaturalfoodfornutrition.3.Whenthereisachoice,wolvesinMongoliapreferto____________________wildanimalsratherthangrazelivestock.4.Asweknow,ittakesmanyyearsforplasticto____________________fully.5.Extinctionhappenswhenenvironmentalfactorsorevolutionaryproblemscauseaspeciesto____________________.II.根据汉语意思，补全下列句子（每空一词）。1.我们认为提高公众保护海洋野生动物的意识非常重要。Weconsider________________________________________________thepublic'sawarenessofsavingoceanwildlife.2.你认为顾客们有可能不使用塑料瓶和塑料袋吗？Doyouthink________________________forcustomersnot________________________plasticbottlesandbags?3.如果人人都能参与这次回收计划，我们会很感激。________________________________________________ifeveryonecantakepartintherecyclingprogramme.4.自然资源保护主义者认为这些生物被尊重对待是理所当然的。Conservationists________________________________________________thatthesecreaturesshouldbetreatedwithrespect.5.我们应该让每个人都知道没有买卖就没有杀害。Weshould____________________________________toeveryonethattherewillbenomurderifthereisnotrade.III.阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。RossCrates,amemberoftheDifficultBirdResearchGroupattheAustralianNationalUniversity,says,“Allourtargetspeciesarequite1.__________(challenge)tostudymostlybecausethey'rerareandhighlymobile.”Oneofthosedifficultbirdsistheendangeredregenthoneyeater(摄政王食蜜鸟),2.__________isamediumsizedsongbird—withabrightyellowtailandablackandwhitechest.Thoughtheyonce3.__________(wander)Australiainflocksofhundreds,fewerthan300remaininthewildtoday.Cratesandhisteamtrackedthebirdsoverfive4.__________(year).Whentheyencounteredamale,theywouldrecordhissongandnote5.__________themalewaspairedupwithafemaleornot.Theyfoundthataquarterofthebirdssangvariationsofthetraditionalhoneyeatersong.And12percentofthebirdscan'tsinghoneyeatersongsatall.Thatcouldmeanbadnewsforthebirds'future—becausemales6.__________(sing)thoseuntraditionalsongsarelesslikelytobepairedupwithamate,7.__________(pare)tothosewhosingthestandardtune.“Asfemalesbreedless,thereare8.__________(obvious)fewermalestoteachthenextgeneration.Andahigherproportionofmalesaresingingweirdsongs.Thatthehoneyeatersareforgettingtheirsongsequates(等同于)toalossofculture.”Cratessaysthephenomenoncanserve9.__________awarningthatwemustdomore10.__________(tackle)climatechangeifwehopetosavethem.IV.补全对话Ihavethesame24hoursinadayasyoudo,but1havemadespecificchoicethatallowmetomakethemostofeverydayandstillfeelhappyandrelaxed.____11____Pickthemostimportant.____12____Focusonspendingtimethatforyouisfunandproductive.1chosethelifeofanadviserbecauseIliketoworkwithpanies,butdon'twantthelifeofabigpanyCEO.Mychoicesarebasedonthelifestyle1want.bineyouractivities.Manypeoplegocrazytryingtofigureouthowtospendtimewithfriends,family,work,play,etc.____13____Findwaystoenjoytheminabinedmanner.Buildyoursociallifearoundpeopleyourworkenvironment.Findpeopleinyourpanywhosharemoninterestsanddevelopyourcareer(职业)aroundthepeopleandactivitiesyoulove.____14____Youwouldthinklearningtakesmoretimefromyou,butactuallythe