北师大版高中英语模块课件 51页

北师大高二Unit22\nUnit22EnvironmentalProtection\nLesson3NaturalDisasters\nLookatthefollowingpicturesandwhatarehappeninginthepictures?earthquake\ntsunami\nflood\ndrought\nvolcaniceruptions\nhurricane\nforestfire\ntyphoon\nlandslide\nReviewthewordsdroughts旱灾earthquake地震floods洪水,水灾forestfires森林火灾hurricanes飓风landslides滑坡,山崩tsunamis海啸typhoons台风volcaniceruptions火山爆发\nWhichofthedisastersdoyouthinkare:causedbypeople?madeworsebypeople?natural?DiscussionReadthearticleandcheckyouranswertothequestions:Whatcausethedisasters?\nReadingStrategies:CompletingtextswithsentencegapsReadthetexttogetthegeneralidea.Readaparagraphwithasentencegapandidentifythetopic,e.g.disasters.\nReadthesentencesbeforeandafterthegapandlookforcluesaboutthemissingsentence,e.g.isitanexampleofwhatismentionedbefore?Certainwordsmayhelpyou:timereferences(then),pronounreferences(it,that),linkingwords(however).\nDecidewhichsentencegoesinthegap.Checkthatitfitsthesentencesbeforeandafterit.\nUsetheStrategiestocompletethegapsinthetext(1-5)withthesesentences(a-g).Therearetwoextrasentencesyoudonotneed.a)Butevidenceshowsthat73,000yearsagotherewasamuchgreatereruption.\nb)EvenEuropehassufferedandlargeareashavebeenunderwater.c)Thatisprobablynotthemostimportantfactoreither.d)Third,theotherbitsoflandyoumighthavebeenabletofarmarenowuseless.e)Ontopofthataddglobalwarming.\nTheanswers:1.b2.f3.g4.e5.af)Forexample,theYellowRiver,oncefamousforflooding,failedtoreachtheseaatallfor226daysin1997.g)Oneanswerisoverpopulation.\nReadthetextagainandanswerthesequestions.1.Whatistheattitudeofthejournalisttowardsthefuture?Pessimistic/negative2.Whoaremostlikelytobethevictimsofnaturaldisasters?Poorpeople.\n3.Whyaretherenowmorehurricanes,floodsanddroughts?Overpopulationandmismanagementoftheworld’sresources.\n4.Whyarevolcanoesandearthquakesmoredangerousnow?Becausearoundhalftheworld’spopulationlivesincities,morethan500millionpeoplenowlivewithintherangeofavolcaniceruptionandanevengreaternumberofpeopleliveatriskfromearthquakes.\n5.Whatcouldbethebiggestthreattotheplanetinthefuture?Avolcaniceruption.6.Whateffectsmightthisthreathave?Itmightsendtheplanetintowinterforyears.\nFillintheblanksaboutthetext.Inthelast___years,therearemoreandmoredisasterssuchas______,________,thunderstorms,earthquakes,________,volcanic_________and______firesallovertheworld.Whyaresomanydisasters?Oneofthereasonsisover-__________.tenfloodstsunamistyphoonseruptionsforestpopulation\n__addition,_______changeandglobal________causedbythemismanagementoftheworld’sresourcescanlead___thedisastersormakethemworse.Atpresent,volcanoesandearthquakesaremore__________withthefast_______ofpeople.Inclimatewarmingtodangerousgrowth\nEarthquakestakethelivesof1.6millionpeopleinthelasthundredyears.Whatisworse,thedisasterprofessionalspredictthatthethingswillget______.worse\nDecideiftheunderlinedwordsinthesentencesbelowarenounsorverbs.ThenwritedowntheirChinesemeanings.1.a)Sheputherarmsaroundmetocomfortme.b)Thesoldierswerearmedwithguns.noun手臂verb武装\n2.a)Heavyrainsresultedinfloods.b)Hisresultswerenotasgoodashehadhoped.3.a)Hemeanswellbutjustgetsitwrongsometimes.b)Thetelephoneisameansofcommunication.verb导致noun成绩verb意思是，怀(好意)noun方法\n4.a)Thechildrenhadfunslidingdowntheslideallafternoon.b)Penguinsslidedownhillovericeontheirbellies.5.a)Becareful!Don’tsliponthewetfloor.b)Writeyournumberonthisslipofpaper.noun滑梯verb滑行verb滑倒noun小纸条\n6.a)Whatwouldyoulikeonyourbreadrollforlunch?b)Herolledtheballacrossthefloortome.noun卷verb滚动\nCompletethesentenceswiththecorrectformsofthewordsabove.1.The______forcesprotectedthecity.2.Whenwillyougetyourexam______?3.Donbrokehisarmwhenhe______andfellontheice.4.I______whatIsaid.5.Whatwouldbethebest______ofadvertisingourproduct?armedresultsslippedmeanmeans\n6.Wouldyoulikehoneyonyour_____?7.Thehouse______downthemountainsideinthefloodlastyear.8.Thematch________inadraw.Theyhad2pointseach.rollresultedslid\n1.Anumberofnationshavealreadybeeninarmedconflictoverwater,andreducedrainfallinthewestoftheUShasresultedinhugeforestfires.[寓词于境]阅读下列句子，注意arm的词性及意思。1.Isawhimwalkingwithagirlonhisarm.Languagepoints\n2.Heunbuttonedhisovercoatandsatonthearmofthechair.3.HisforcesareequippedmostlywithAmericanarms.4.Hesaidbothsidesarearmingthemselves.5.Wariscertain;weshouldarmwithoutdelay.\n[自我归纳]arm作名词时，意为“手臂”，如句1；“扶手”，如句2；“_____”，均用复数形式，如句3。arm作动词时，既可作及物动词，也可作不及物动词，意为“武装”，如句4和句5。武器\n[即学即练]猜猜下列句子中划线部分的意思。1.Thegirlsrandowntheroadarminarm.2.Themajorityoftheirsoldierssimplylaiddowntheirarms.3.Thepeoplewerequicktotakeuparmstodefendtheirfreedom.手挽手地放下武器，投降拿起武器，准备战斗\n[语境展示]阅读下列句子，注意resultin的意思及用法。1.Theaccidentthathappenedinfrontofourschoolyesterdayresultedintendeaths.2.Ifleftuntreated,theconditionwilleventuallyresultinblindness.\n[自我归纳]resultin意为“导致，造成”，后接导致某事的_____，句子的主语是_____。[拓展]resultfrom表示“由……造成，因……而产生”，后接导致某事的原因，句子的主语是结果。如：Theterribleaccidentresultedfromhiscarelessdriving.结果原因\n[即学即练]根据括号内的汉语提示完成下列句子。1.Hisbeinglatefortheperformance_________________________(导致了全盘失败).2.Hisheartdisease_____________________________________(是由食用过多的高脂肪食物造成的).resultedinacompletefailureresultedfromeatingtoomuchfat-richfood\n3.Theexperiment__________________________(导致新发现)acureforcancer.resultedinanewdiscoveryof\n2.Inthelastthreeyears,Indonesiahashadaroughtime,sufferingseveralkillerquakesand...[寓词于境]阅读下列句子，给出rough的意思。1.Couldyougivemearoughideawhattimeyou’llbeathome?粗略的，大概的roughadj.艰难的\n2.Thefirstyearwasrough,butthingshavegottenbetter.3.Theotherboyswererough,alwayslookingforafight.4.Itwasaroughmountainroad,fullofstonesandhugeholes.艰苦的粗暴的，粗野的高低不平的，粗糙的\n3.Peopleinagriculturalareas,withoutanymeanstoearntheirliving,movetothecities,andthen...[寓词于境]阅读下列句子，注意means的意思及用法。1.Everypossiblemeanshasbeentried,butnoneofthemworked.2.Allpossiblemeansareconsidered,butnonecanhandletheproblem.\n3.—CouldIborrowthatbookforafewdays,please?—Byallmeans.4.Theyoungmanrealizedhisdreambymeansofhardwork.5.Whateverhappens,bynomeansshouldwelietoourparents.\n[自我归纳]meansn.意为“__________”,单复数形式相同。means作主语时，其谓语动词要按其所表达的意思来确定用单数还是复数，如句1和句2。means常构成以下搭配：byallmeans没问题，当然可以（句3）；bymeansof用……，依靠……（句4）；bynomeans_______________（句5）。手段,方法绝不，一点也不\n[即学即练]从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。1.InChina,thecarisbecomingapopular_____oftransportation.A.route           B.meansC.object      D.entranceB\n2.—CanyougivemesomeadvicewhereIshouldgoformyholiday?—_____.Wecantalkaboutitoverlunch.A.Bynomeans    B.NevermindC.Byallmeans     D.BythewayC\nWorkinpairs.Discussthesequestions.1.Whatnaturaldisasterhadhappenedinyourmemory?2.Whatweretheresultsofthedisaster?Speaking\n3.Whatdoyouthinkgovernmentscandotohelppreventnaturaldisasters?4.Whatcanwedotoimprovetheenvironmentandhelpvictimsofnaturaldisasters?\nThankyou!