九年級下冊 英語 第二模塊第四單元《Lesson 7 Revision of Module 2》課件

九年級下冊—上海教育出版社—英語—第二模塊第四單元

Module2Unit4NaturaldisastersLesson7RevisionofModule2學(xué)習(xí)目標(biāo)通過這節(jié)課的學(xué)習(xí)，你將能做到以下幾點：1.運(yùn)用本模塊的詞匯、句型描述環(huán)境問題、成因及影響。2.使用形式主語It、祈使句以及情態(tài)動詞就環(huán)境問題提出應(yīng)對措施。3.根據(jù)本模塊所學(xué)知識,小組合作設(shè)計一份關(guān)于“Environmentalproblemsinourcity”的手抄報。4.提升保護(hù)環(huán)境、抗災(zāi)自救的意識，樹立人與自然和諧共處的觀念。Iusedtobebeautiful!Iamintrouble.Pleasehelpme.Module2Environmentalproblems此頁圖片來源于網(wǎng)絡(luò)DifferentkindsofEnvironmentalproblems2.Naturaldisaters1.Man-madeenvironmentalissuesThegreenhouseeffectCuttingdownforestsBadhabitsFloodForestfireTyphoonEarthquake此頁圖片來源于網(wǎng)絡(luò)Part1Made-madeenvironmentalissuesQ:Doyourememberwhatthegreenhouseeffectis?Environmentalissuesaretheharmfuleffectsofhumanactivitiesontheenvironment.Theseincludegreenhouseeffect,deforestation,wastedisposal,etc.此頁圖片來源于網(wǎng)絡(luò)Whatisthegreenhouseeffect?ThereisanatmospherearoundtheEarth.Itisnecessaryforalllivingthings.TheatmospherecontrolstheEarth’stemperture,lettingsunlightinandstoppingitfromgettingout.Withoutit,theEarthwouldbeascoldandlifelessastheMoon.However,wearepollutingtheatmospherewithharmfulgases,whichmakesitkeepintoomuchheat.SotheEarthisbecomingwarmer

andwarmer.Wecallthisthegreenhouseeffect.此頁圖片來源于網(wǎng)絡(luò)此頁圖片來源于網(wǎng)絡(luò)Howdohumanactivitiesaffecttheenvironment?Whenweburnfuelssuchaspetrolandcoal,weproduceagascalledcarbondioxide(CO2).Toomuchofthisgaspollutestheatmosphere,andcausesittokeepintoomuchheat.Asa

result,theEarth’stemperatureisincreasing.Itcanalsocausesealeveltoriseandcitiestodisappear.ThegreenhouseeffectCuttingdownforestsPeopledestroynaturebycuttingdownhugeareasofforests.Thismakesthegreenhouseeffectworse.Italsodestroysthehomesofanimalsthatliveintheforests.Itcancause

thesurfaceofsoiltobeeasilydestroyedbyrain.Thiscanresultinfloodsandevenmoredamage.badhabitsManyofourbadhabitsalsocausepollution.Peopleoftenusethingsonceandthrowthemawayaslitter.Thiscreatesmountainsofrubbishandpolluteslandandseas.Howcanwefixtheproblems?Watchavideoandwritedownthesolutions.Human’simpactsonenvironment&solutions此頁視頻來源于網(wǎng)絡(luò)Waystohelpfixenvironmentalproblems.Walk,jog,oruseyourbikeorskateboardtoplacesinsteadofdrivingyourcar.Turnoffyourtablet,computerorTVwhenyouarenotusingit.Turnoffthelightswhenyouleavetheroom.Don’twastecleanwaterbecauseittakesalotofenergytoproduceit.Lastbutnotleast,recycleeverythingyoucan.Youcanmakeadifference.Tip1:WecanuseImperativesentencestomakesuggestions.圖片來源于網(wǎng)絡(luò)35Tip2:Wecanusemodalverbstomakesuggestionstoo.1.Inorderto...weneedtotakeproperaction.2.Weshouldbedifferentfrommanyconsumers.3.Weshouldonlybuyanduseproductsfriendlytotheenvironment.4.Weshouldalsorecycleasmanythingsaswecan.5.Wecanreusethingsforthesamepurpose.6.Ifwejustlearntoliveinnewanddifferentways,wecanmakeadifference.Read&summarize圖片來源于網(wǎng)絡(luò)Tip3:Otherphrasesandexpressionsofmakingsuggestions.圖片來源于網(wǎng)絡(luò)Part2NaturaldisastersNaturalDisastersarecatastrophic

（災(zāi)難性的）eventsthatresultfromanyoftheEarth’snaturalphenomena（現(xiàn)象）.Thesecanrangefromfloodsandhurricanestotsunamis(海嘯)andearthquakes.FloodForestfireTyphoonEarthquakeTsunami圖片來源于網(wǎng)絡(luò)Naturaldisasters&theirbadeffects圖片來源于網(wǎng)絡(luò)FloodWhatisaflood?Afloodisanoverflowofwaterthatcoverslandthatisusuallydry.Floodsarethemostcommonandwidespreadnaturalsevereweatherevent.Floodingisthenumberonesevereweatherkiller.

Somefloodsareextremelypowerful.Theyhaveenoughforcetorolllargerocks,teartreesfromtheground,destroybuildingsandbridgesandsoon.Naturaldisasters&theirbadeffects圖片來源于網(wǎng)絡(luò)TyphoonWhatisatyphoon?Atyphoonisaverystrongtropical(熱帶的)storm.Typhoonsaremadeovertheocean.Theyarenotmadeovertheland.Forstrongertyphoons,acharacteristicstructurecalledthe"eye"formswhenthewindspeedsreachaboutabout140kilometersperhour.

Typhooncandamageordestroyvehicles,buildings,bridges,treesandpersonalproperty.

Naturaldisasters&theirbadeffects圖片來源于網(wǎng)絡(luò)EarthquakeWhatisanearthquake?

Earthquakeisoneofthemajornaturaldisasters.Anearthquakeisashakingofthegroundcausedbymovementoftheearth'scrust(地殼).

Anearthquakecanoccuranywhereontheearth.

Everyyearitcausesahugelossoflifeandpropertyallaroundtheworld.

Naturaldisasters&theirbadeffects圖片來源于網(wǎng)絡(luò)ForestfireWhatisaforestfire?Forestfireisanuncontrolledfirethatmostlyoccursduringthesummertimewhenduetolowornorainfall,thedryleavesburstintoflamesbycomingintocontactwithaspark.Thiscanleadtoalarge-scalefireintheforestthatishardandalmostimpossibletobeputoutbyhumanefforts.

Forestfiresarecausedbynaturalcausesaswellasman-madecauses.

Theycancausenativespeciestodisappearandleadtofloodsandlandslides(滑坡).

Howcanweprotectourselvesduringthedisasters?calm/stay/fire/importantprepare/survivalkit/necessaryimportant/stayinside/awayfromcallthepolice/stayawayfromItisveryimportanttostaycalmwhenthereisafire.ItisnecessarytoprepareasurvivalkitwhenanasteroidhitstheEarth.Itisimportanttostayinsideandawayfromthewindowwhenatyphooniscoming.Itisagreatideatocallthepoliceatonceandstayawayfromtheforestfire.Tip4:Wecanuseitastheemptysubjectofasentencetoreplaceato-infinitivetomakesuggestionsaswell.圖片來源于網(wǎng)絡(luò)Readthearticle&makesuggestionswith“It”.Itisimportanttodropdownontoyourhandsandkneesbeforeanearthquakeknocksyoudown.Itisagoodideatocoveryourheadandneckunderneathasturdytable.Itisnecessarytoholdontoashelteruntiltheshakingstops.圖片來源于網(wǎng)絡(luò)Howcanwestaysafeduringanearthquake?Part3DesignaposterabouttheEnvironmentalproblemsinourcity.Man-madeenvironmentalissuesNaturaldisastersBadeffectsMeasuresBadeffectsSurvivaltips圖片來源于網(wǎng)絡(luò)posterboardThingsyouneedfordesigningapostercolorpensscissorsgluestickpencilGroupdiscussion:Writealistofelementstoincludeintheposter.Student1:Sketchoutthedesign.Student2:Responsibleforenvironmentalissues.Student3:Responsiblefornaturaldisasters.Student4:Decorateyourposter.12345圖片來源于網(wǎng)絡(luò)Evaluationofthegroupwork圖片來源于網(wǎng)絡(luò)CriteriaContentsScore（1-5）Content（內(nèi)容）1.Man-madeenvironmentalproblems,effectsandmeasures2.Naturaldisasters,effectsandsurvivaltipsLanguage（語言）1.Applying“It”astheemptysubject,modalverbsandimperativesentencestomakesuggetions2.Accuracyofwordsandexpressions(準(zhǔn)確性)3.Logicoflanguage(語言的邏輯性)Layout（布局）1.Clearlyidentifiedtopic(清晰的主題)2.Illustration(插圖)3.Creativity(創(chuàng)意)54534544通過這節(jié)課的學(xué)習(xí)，我能做到以下幾點：1.Describesomeevironmentalproblems,thecausesandeffectsinyourownwords.2.Use“It”,Imperativesentencesandmodalverbstomakesuggestions.3.Designahand-madeposteraccordingtowhatyouhavelearnedinthislesson.4.Raiseyourawarenessofenvironmentalprotectionandlearnhowtostaysafeduringadisaster.Summary&AssessmentHomeworkPleasemakeaspeechon“Let’sgogreen!”toyourclass!此頁圖片來源于網(wǎng)絡(luò)Thank

you!九年級下冊—上海教育出版社—英語—第二模塊第四單元

Module2Unit4NaturaldisastersLesson7RevisionofModule2（答疑）BrainstormWhatarethestudentsdoinginthepictures?此頁圖片來源于CCTVTheyarecelebratingEarthDay.SomethingaboutEarthDay1.WhenwasEarthDayfirstcelebrated?2.Whatisthetheme(主題)ofEarthDay?3.WhydowecelebrateEarthDay?4.HowdowecelebrateEarthDay?此頁圖片來源于網(wǎng)絡(luò)Pleasereadthearticleandanswerthequestions.Ourplanetisanamazingplace,butitneedsourhelptothrive!That’swhyeachyearonApril22,morethanabillionpeoplecelebrateEarthDaytoprotecttheplanetfromthingslikepollutionanddeforestation.SincethefirstEarthDaywasheldin1970intheUnitedStates,ithasgrownintoaninternationallycelebratedeventinmorethan200countriesacrosstheglobe.1.OnwhichdaywasEarthDayfirstcelebrated?ItwasfirstcelebratedonApril22,1970.此頁圖片來源于網(wǎng)絡(luò)2.Whatisthetheme(主題)forEarthDay2022?Everyyear,athemeisdecidedforthecelebrationofEarthDay.HerearesomeofthethemesforEarthDay.TheglobalEarthDayorganizerannouncedthatthethemefor2022willbe“Investinourplanet”.Itisfocusedonacceleratingsolutionstocombatourgreatestthreat,climatechange,andtoactivateeveryonetodotheirpart.EarthDay2022Investinourplanet此頁圖片來源于網(wǎng)絡(luò)2.WhydowecelebrateEarthDay?1.Everyonecanparticipate2.Smallactsmatter3.WeonlyhaveoneEarthNooneisleftoutorleftbehind,everyonecandosomethingsmalltomakeanimpactonourplanet.Nomatterhowsmallchangesyoumake,theyaresignificant,andthisisyourchancetoimproveourworld.Weallneedtoberemindedtostayin