B4U1新世纪大学英语(第二版)综合教程第4册Unit1.ppt
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B4U1新世纪大学英语(第二版)综合教程第4册Unit1.ppt

B4U1新世纪大学英语(第二版)综合教程第4册Unit1.ppt

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ReadandExplore1.Doyouthinkmanlivesinharmonywithnaturenow?2.Doyouthinkthatmanhasbeendestroyingnature?Couldyougivesomeexamples?3.Whatdoyouthinkweshoulddotopreservenature?Studythefollowingquotesaboutmanandnatureanddiscussinpairswhatyoucanlearnfromthem.Studynature,lovenature,stayclosetonature.Itwillneverfailyou.—FrankLloydWrightLookdeepintonature,andthenyouwillunderstandeverythingbetter.—AlbertEinsteinWedonotseenaturewithoureyes,butwithourunderstandingsandourhearts.—WilliamHazlittThehighestpurposeistohavenopurposeatall.Thisputsoneinaccordwithnature,inhermannerofoperation.—JohnCageWatchthefollowingvideoclip“Iftheworldwarmsby6degrees”anddothetasksthatfollow:Iftheworldwarmsby6degrees,fromadistancethemayappearbrightblue,buttheyaremarinewastelands.Desertsacrosscontinentslikeconqueringarmies.becomecommonevents.Someoftheworld’sgreatcitiesareandabandoned.Iftemperaturessoarby6degreeswithin,we’regoingtofacenothinglessthanaglobalwipeout.Video-2marinea.of,near,livingin,orobtainedfromthesea(近)海的;海生(产)的fisheryn.apartoftheseausedforthebusinessofcatchingseafish近海渔场exhaustvt.useupcompletely用完,用尽endangervt.causedangerto使遭危害,危及excessivea.toomuch;toogreat;goingbeyondwhatisreasonableorright过多的,过分的,过度的starvationn.[U]sufferingordeathfromlackoffood挨饿,饥饿;饿死Choosethebestanswertoeachofthefollowingquestionsaccordingtotheinformationcontainedinthelisteningpassage.Whatisthemainideaofthepassage?2.WhatdidpeopleinEuropeandAmericainthe19thcenturythinkaboutmarineresources?3.Whyarethethreatstofishmorealarmingthanthethreatstoanimalsandbirds?4.HowmuchfishisharvestedintheNorthAtlanticeveryyear?A)Naturalresourceswillbeexhaustedwithinthenextfewyears.B)Fishreserveswillbedestroyedwithinthenextfewyearsbecauseofexcessivefishing.C)Peopleinsomepartsoftheworldwillfacestarvationbecauseofthedrought.D)People’sdemandonfishwilldeclineinsomepartsoftheworld.L&R2dietNorthAtlanticalone.Searesourcesarealsorapidlyinmanyotherpartsoftheworld.Scientistsnowbelievethatfoodfromtheseawon’tlastforever.Theywarn