高中英语 unit 9 wheels period one课堂讲义 北师大版必修3

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1、Unit9WheelsTheoilresourceswhichareleftwillnotlastverylong.Thismeansthatallvehiclessuchascars，trains，buses，planesandshipsthatneedoiltoworkwillnotbeabletorun.Soitwillbenecessarytodevelopanewsystemoftransportwhichusesafuelmorethanoil.Electricvehiclesareonepossibility.

2、InBritain，mostfamilieshaveatleastonecarandthiscarisusedeveryday.Itcouldbethatonlyonepersoninthefamilydrivesthecartoworkorforshopping.Thenumberofcarsontheroadwhicharealmostemptyperhapshelpstoexplainwhytheoilisusedupsoquickly.Thefamilycarisaveryusefulformoftransportb

3、utitisalsoagreatwasteofenergy，especiallyifitiscomparedwithbusesortrains.Muchpetrolisusedbyacarwhichistravelingat120kilometersanhour.Clearly，itwouldbebetteriftherewerefewercarsontheroadandmorespeedlimitssothattheoilwhichisleftwilllastaslongaspossible.About25%ofBrita

4、in’stotalconsumptionofenergyisdomestic—itisusedonlyinthehome.Justover20%isusedfortransport.Mostoftheenergyisusedinindustry.Itisdifficulttosuggestanypossibleenergyconservationinindustrybecausemanyofthesuggestionswouldmeanthatsomepeoplewouldlosetheirjobs.Itisimportan

5、tthatindustryproducesthesameamountofproductsusingthesameamountofworkers.Obviously，conservationisnotgoingtobetheanswertotheenergycrisis.Themostitcandoistogivemoretimeforabettersolutiontobefound.Themoretimewhichisavailablefornewsourcesofenergytobedeveloped，thebetteri

6、tisbecausethereisstillalotofworktobedoneinordertofindsuitable，safemethodsofproducingenergy.1．domesticadj.家用的；国内的2．crisisn．危机1．InBritain，whatreasoncouldhelptoexplainwhyoilisusedupveryquickly?Manycarsontheroadarealmostempty.2．Whatisabetterwaytosolvetheproblemoftheene

7、rgycrisis?Newsourcesofenergyshouldbefoundanddeveloped.PeriodOne　Warmup&Lesson1OnYourBikeⅠ.单词检测1．cyclistn．骑自行车的人cyclev．循环；骑自行车2．actuallyadv.实际地，真实地actualadj.事实的，实际的3．benefitvi.&n．得益；好处beneficialadj.有益的，获益的4．conveniencen．方便，便利convenientadj.方便的，便利的5．insertvt.插入，嵌入inse

8、rtionn．插入，嵌入6．consequencen．后果，结果consequentlyadv.所以，因此7．arrestvt.逮捕8．arguevi.争辩，争吵argumentn．论据，论证Ⅱ.短语检测1．have/takeashower洗淋浴2．fedup厌烦的，不愉快的3．thank