人教版九年級(jí)英語(yǔ)下冊(cè) （We're trying to save the earth!）SectionA 教學(xué)課件(第2課時(shí))

We'retryingtosavetheearth!SectionA第2課時(shí)

Canyousharesomethingabouthowtoprotectourenvironment?Problem:airpollution,wastepollution...Solutions:recyclebooksandpaper,stopdrivingcars...Weshouldtakethebusorsubwayinsteadofdriving.Yes,orrideabike.It’salsogoodforourhealth.Forthewastepollution,Ineverusewoodenchopsticksinrestaurant.Andthrowrubbishinthebins.Pre-readingWhatdoyouknowabouttheseanimals?Doyouthinktheyareendangered?Why?Haveeverheardofthesharks?adj.瀕危的鯊魚(yú)Lookatthepictureandthetopic,What’sthemainideaofthispassage?Canyouguess?A.Thesharkfinsoupisfamousandexpensive.B.Thenumbersofthesharkshavefallenveryfast.C.Thesharksareendangeredintheworld.√While-readingParagraph1helpsavethesharksParagraph2thesharksareendangeredParagraph3thesharkfinsoupReadthepassagequickly.Thenmatcheachparagraphwiththemainidea.WheresharkfinsoupispopularNumberofsharkscaughtandtradedeveryyearHowgovernmentcanhelpTwoenvironmentalgroupsagainst“finning”southernChina70milliondeveloplawstostopthesaleofsharkfinsWildAidandtheWWF(魚(yú))鰭Readthepassageaboutsharksandcompletethefactsheetbelow.3a1.Manypeopledonotrealizetheyarekillingawholeshark______theyenjoyabowlofsharkfinsoup.2.Sharksareatthetopofthefoodchain,____iftheirnumbersdrop,theocean’secosystemwillbeindanger.whenReadthepassageagainandfillintheblankswiththewordsinthebox.3bsoalthoughifbutwhenso在…的頂端食物鏈生態(tài)系統(tǒng)3.Manythinkthatsharksaretoostrongtobeendangered,_____theyarewrong.4._________thereareno

scientific

studiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday___wedonotdosomethingtostopthesaleofsharkfins.butAlthoughifadj.科學(xué)的

Somepeopleliketoeatshark'sfinsoup,especiallyin_______China.Butgettingtheshark'sfinisvery_____.Whenpeoplecatchsharks,they_________theirfinsandthrowthesharksbackintotheocean.Thesharkslowlydiesbecauseitcan’t_______withoutthefin.Anditisalso________toenvironment.Sharkareatthe_____ofthefoodchain.Ifthe________ofsharksdropstoolow,itwillbreakthebalanceofnature.Pleasesaynotoeatingthesharkfinsoup,andtakeactiontosavethesharks!southerncruelcutoffswimharmfultopnumbers采取行動(dòng)Fillintheblanks.Post-readingNosharkfin,fisheveryyear!Savetheanimals!Saveourselves!Savetheearth!Whatattitudeshouldwetaketowardssharks?Whatcanwedotosaveourselves?BecauseofNovelcoronavirus,weChinesehavehadaspecialSpringFestival.

Nobodywantstogetthedisease,buthowshouldwepreventNCPandprotectourselves?Thereisnodoubtthathuntingwildanimalshasabadinfluence.Foronething,itcausestheimbalanceofourecosystem.Foranother,itleadstothespreadofinfectiousdiseasesfromanimalstoushumanbeings,suchasSARSandNovelcoronavirus.Weshouldneverhavewildanimalsforfood.[觀察1]

Whenpeoplecatchsharks,theycutofftheirfinsandthrowthesharksbackintotheocean.

[探究]

cutoff切掉；切斷

Theelectricityhasbeencutoffagain.又停電了。[觀察2]

Thisisnotonlycruel,butalsoharmfultotheenvironment.[探究]

1.

crueladj.殘酷的；殘忍的

weshouldn’tbecrueltotheanimals.我們不應(yīng)該虐待動(dòng)物。2.beharmfulto...對(duì)...有害，其同義短語(yǔ)bebadfor...Theairpollutionisharmfultoourhealth.空氣污染不利于身體健康。

[觀察3]

Withoutafin,asharkcannolongerswimandslowlydies.[探究]

nolonger不再；強(qiáng)調(diào)時(shí)間和動(dòng)作不再持續(xù)相當(dāng)于not...anylongerShenolongerliveshere.=Shedoesn’tlivehereanylonger.她不再住在這兒了。[觀察4]

Butinfact,around70millionsharksarecaughtandtradedinthisindustryeveryyear.[探究]

1.infact事實(shí)上；實(shí)際上Infact,thewordsalarycomesfromthewordsalt.事實(shí)上，薪水這個(gè)詞來(lái)自于鹽這個(gè)詞。2.Industryn.工業(yè)；行業(yè)。既可以做可數(shù)名詞也可以做不可數(shù)名詞，heavy/lightindustry重、輕工業(yè)Weneedtodeveloplocalindustries.我們需要發(fā)展地方工業(yè)。[觀察5]

Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years.[探究]

thenumbersof...的數(shù)量；是thenumberof的復(fù)數(shù)形式。此處，numbers表示不同種類(lèi)鯊魚(yú)的數(shù)量。Thenumbersofdifferentkindsoftreesaregrowingquickly.不同種類(lèi)的樹(shù)的數(shù)量正在快速增長(zhǎng)。thenumberof...的數(shù)量anumberof一些；若干+可數(shù)名詞復(fù)數(shù)做主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞用單數(shù)[辨析]thenumberof與anumberof+可數(shù)名詞復(fù)數(shù)做主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞用復(fù)數(shù)[觀察6]

Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.[探究]

lawn.法律；法規(guī)。lawyern.律師o(wú)beythelaw遵守法律breakthelaw違法Heisalawyerandhealwaystellusthateveryoneshouldobeythelaw.他是一名律師并且總是告訴我們要遵守法律。[觀察7]

Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth,sowhyeatthem?[探究]

sofar到目前為止；迄今為止。常用于現(xiàn)在完成時(shí)Iwasn'ttoohappywithwhatI'dwrittensofar.我對(duì)于目前已寫(xiě)完的這些并不太滿意。1.They______theirfinswhenpeoplecatchsharks.(切掉）

2.Mr.Liis_________amusiclover.(不再）3.Hewasstanding____________thestairs.(在...頂端）4._______,hedoesn’tlikeEnglish.(實(shí)際上）5.Now,thiskindofcar________20percent.(下降了）Exercise

根據(jù)漢語(yǔ)意思完成下面的句子cutoffnolongeratthetopofInfactfallsby

1.

—WhynotaskBobtojoinusinthetriptothezootomorrow?—Everyoneinourgrouplovesanimals,buthealwaysseems____.A.anxiousB.personalC.cruelD.careless2.Greenhousegasesare_____totheenvironment.A.goodB.betterC.harmD.harmfulCD

3.Anumberofvisitors____visitingtheWestLakeandthenumberofthevisitors___increasing.A.are;isB.is;areC.are;areD.is;is4.Thewriterissopopularthathe____morethan200,000bookssofar.A.sellB.soldC.hassoldD.havesoldAC1.Pollutionis_______

(harm)toallthelifeonearth.2.Theenvironmentisgettingworse.Weshouldstop___________(cutdown)treesatwill(隨意）.3.Thenumberofthestudentsinourschool____(be)twohundred.4.Sofar,no_________(科學(xué)的）studieshaveshownthatsharkfinsaregoodforhealth.scientificharmfuliscuttingdown

用括號(hào)里單詞的適當(dāng)形式填空SummaryPara.1sharkfinsoupispopularinsouthernChina.Para.2cruel:harmful:endangered:cutofftheirfinsandthrowthesharksbackintotheocean.bringdangertoalloceanlifeThenumbersofsomekindsofsharkshavefallenbyover9percentinthelast20to30years.Para.3environmentalprotectiongroupsnoscientificstudieshaveshownthatsharkfinsaregoodforhealth(teachingthepublicabout“finning”)(askedgovernmentstodeveloplaws)We’retryingtosavetheearth!SectionA第1課時(shí)

Bytheendofthisperiod,you’llbeableto:1.learnwordsandexpressionsaboutpollutionandenvironmentalprotection;2.summarizeandtalkaboutpollution’sproblems,causesandsolutions.LearningObjectivesairpollutionwaterpollutionWhatcanyouseeinthepictures?Whatkindsofpollutionarethey?land/waste/soilpollutionnoisepollutionWhatcanyouseeinthepictures?Whatkindsofpollutionarethey?waterpollutionland/waste/soilpollutionnoisepollutionairpollutionWhatkindofpollutionaretheytalkingabout?Listenandcompletethesentences.1bWhatwastheproblem?Whatcausedtheproblem?Howshouldtheproblembesolved?Theriverwas

.Eventhebottomoftheriverwasfullof

.Therewerenomore

forfishermentocatch.Peoplearethrowing

intotheriver.Factoriesareputting

intotheriver.Weshouldwritetothe

andaskthemto

thefactories.Everyoneshouldhelpto

theriver.reallydirtyrubbishfishlitterwastegovernmentclosedowncleanupTheriverwas

.Eventhebottomoftheriverwasfullof

.Therewerenomore

forfishermentocatch.Peoplearethrowing

intotheriver.Factoriesareputting

intotheriver.Weshouldwritetothe

andaskthemto

thefactories.Everyoneshouldhelpto

theriver.reallydirtyrubbishfishlitterwastegovernmentclosedowncleanupProblemsCausesSolutionsFromwhataspectsaretheytalkingabouttheproblem?A:TheairinourtownYes,butnowtoomuchtrafficB:airA:EveryoneinthetownB:Yeah,everyonesuchacomfortablethingtobreathefreelyeverywhereIwent.Itwasalwaysusedtobereallyfresh.isturningthefreshairintohaze.subwaymore.shoulddrivelessandtakethebusorgoodplacetolivein.shouldplayapartinmakingourtowna1cTalkaboutwhatthetownusedtobelike,whatcausedthepollutionanditssolutionbyusingthepictures.wastewaterMakeyourownconversation.1cWhatproblemsarementionedintheinterview?Oneproblemisthattheair

.Weusedtoseethe

clearly,butnowwehardlyeversee

anymore.Theotherproblemisthatthere’stoomuch

inthestreets.isbadlypollutedstarsblueskiesrubbishandwasteListentotheinterviewandanswerthequestion.2aairpollutionandlandpollutionKindsofpollutionCauses

Listenagainandcompletethesentences.airpollution1.Thereare

ontheroadthesedays.2.Factoriesthatburncoalalso

theairwithalotofblacksmoke.landpollution1.People

thingseveryday.2.Peoplearealsolitteringin

likeparks.morecarspollutearethrowingawaypublicplacesProblems

Causes

Whenwetalkaboutpollution,howdoweexpressproblemsandcauses?Structures

therebeusedtodobedonehavedone

becausetherebebedoingProblems

Causes

air/bebadlypolluted/usedto/stars/blueskiesmorecars/factories/burncoal/blacksmokeRetelltheconversationwiththegiveninformation.thereis/rubbishandwastethrowaway/everyday/litter/publicplacesJasonandSusanaretalkingaboutsomeenvironmentalproblemsthey’veseen……Theseareseriousproblemsforourenvironment.JasonandSusanaretalkingaboutsomeenvironmentalproblemstheySampleOneproblemisthattheairTheotherproblemisthatTheseareseriousproblemsforourenvironment.haveseen.clearly,butnowwehardlyeverseeblueskiesanymore.isthatfactoriesthatburncoalpollutetheairwithalotofblacksmoke.isbadlypolluted.WeusedtoseethestarsOnereasontherearemorecarsontheroadthesedays.It’salsobecausestreets.peoplethereistoomuchrubbishandwasteintheIt’sbecausepeoplearethrowingawaythingseveryday.Andarealsolitteringinpublicplaceslikeparks.Problems

Causes

air/bebadlypolluted/usedto/stars/blueskiesmorecars/factories/burncoal/blacksmokeRetelltheconversationwiththegiveninformation.thereis/rubbishandwastethrowaway/everyday/litter/publicplacesJasonandSusanaretalkingaboutsomeenvironmentalproblemsthey’veseen……Theseareseriousproblemsforourenvironment.1.Takethe

or

insteadof

.2.

.KindsofpollutionIdeasforsolvingtheproblems

AirpollutionWastepollution1.

whilegoingshopping.2.Nevertake

orplasticforkswhilebuying

.3.Throwrubbish

andkeeppublicplaces

and

.bussubwaydrivingRideabikeBringabagwoodenchopstickstakeawayfoodinthebinscleanbeautifulListenandfillintheblanks.2dJasonandSusan,whatareyourideasforsolvingtheseproblems?Correct.LiHua:LiJing:Whoareyournewfriends?LiHua:HelenSmithandZhangMing.Theyaretwooldclubmembers.Theyhelpedmewithmyself-introduction.Interviewer:Jason:Susan:Greatideas!Interviewer:Susan:Well,tocutdownairpollution,webusorsubwayshouldtaketheinsteadofdriving.Yeah,orrideabike.bikeriding.anything!ThereareotheradvantagesofIt’sgoodforhealthanditdoesn’tcostWhataboutwastepollution?Mmm,Ithinkshoppingsimplethingslikebringingabagtogocanhelp.Istarteddoingthatayearago.Role-playtheconversation.Role-playtheconversation.SolutionsWhenwetalkaboutpollution,howdoweexpresssolutions?Structures

Weshoulddosth.insteadofdoingsth.Simplethingslikedoingsth.canhelp.Neverdosth.Remembertodosth.It’sagoodideatodosth.It’sagreatideathat+sentence.…Thingswhichcanbedonebypeopleeveryday:stopridingincarsturnoffthelightswhenweleavearoomThingswhichcanbedonebypeopleeveryday:turnofftheshowerwhilewearewashingourhairrecyclebooksandpaperensurethatfactoriesgetridofwasteinaresponsiblewaynotallowactivitiesthatseriouslyendangertheenvironmentThingswhichhavetobedonebygovernmentsandorganizations:educatethepublicpreservetheforestspreserveendangeredspecies1.2.3.4.5.Becausetheymaycauseinconvenience.Tobereallyseriousaboutsavingtheearth,weneedtoknowtheconsequencesofouractions,orlackofaction,andbepreparedtoputthegreatergoodbeforeourpersonalneeds.WhydoesJuliarefuse