unit2-severe-drought.ppt

Unit2,Weather,SectionC,Naturaldisasters（災難）,Whatdisasterscanyoufindinthisvideo(災難）?,Seaquake海嘯,sandstorm,Tornado龍卷風,drought,landslide,volcano,Disastersinthevideo,Brainstorming:,snowstorm,flood,Allthedisastersmaycausetopeople,damage,disaster,Severeweather,resultfrom,Weatheralert天氣警報,before,Reading,lesssevere,severe,moresevere,mostsevere,天氣預警等級逐漸升高,blue,yellow,orange,red,Doyouknowtheweatheralert?,A,B,C,D,E,F,G,H,WeatherAlert,A,G,D,F,C,E,B,H,Letsclassify,Supposeyouareinadesert,Whatdoyouwantmost,myfriend?,Water!Water!Please,waterisimportant,Nowater,drought,If,disaster,FastReading,SevereDroughtin2011,Alert預警，警報severe嚴重的Drought干旱lightening閃電Province省份level水平線Bottom底部crop莊稼Government政府cause造成Release傾注，倒入Takeplace發(fā)生,TherehasbeenlittlerainfallalongtheChangjiangRiverforhalfayear.B.TheweatherisnotasusualinJiangxi,HunanandHubeiprovinces.C.AseveredroughthappenedinsomeprovincesalongtheChangjiangRiver.D.Chinahasgotthemostseveredroughtsince1954.,Letsanswer,Whatsthemainideaofthispassage?,SevereDroughtin2011,XinhuaNewsAgencyTheChangjiangRiver,Chinaslongest,isfacingaseveredrought.ThespringdroughttookplaceinJiangxi,HunanandHubeiProvince.,Letsread,據新華社消息，中國最長的河流長江正面臨著一次嚴重的旱災。這次春季干旱發(fā)生在江西、湖南和湖北省。,SevereDroughtin2011,Waterlevelsaredroppingquickly.Thelakesaredryingup.Peoplecanseedeadfishatthebottomofthelakes.Cropswillbelostwithoutwater.Whatisworse,thereisnotenoughwaterforpeopletodrinkanduse.Sothegovernmenthasgivenanorangealert.,Letsread,水位正在快速下降，湖泊正在干涸。人們可以在湖底看到死魚。沒有水，莊稼將會欠收。更糟的是，沒有足夠的水供人們飲用。所以政府已經發(fā)出了橙色預警。,SevereDroughtin2011,Whatcausedthedrought?Thereasonisthattheweatherisalwayssunnyintheseprovinces.TherehasbeenlittlerainfallsinceJanuaryofthisyear.Thegovernmentistryingitsbesttogetmorewatertohelppeople.ThreeGorgesDambegantoreleasewaterintotheChangjiangRivertofightagainstthedrought.,Letsread,是什么造成了此次干旱？原因是這段時間天氣一直晴朗，從一月以來幾乎沒有下過雨。政府正在努力獲得更多的水來幫助人們。三峽水庫也開閘放水入長江，以緩解旱情。,SevereDroughtin2011,Luckily,theweatherforecastsaystherainyseasoniscomingsoon.Itisgoodnewsforallthepeopleintheseprovinces.,Letsread,幸好，天氣預報說雨季馬上將要來臨了。對這幾個省的人們來說，這是個好消息。,why,result,drought,when,where,2011,第一自然段,第三自然段,第二自然段,Changjiangriver,江西,湖南,湖北,result,Lakesare2.3.Peoplehavenotodrink,dryingup,dead,lost,water,單擊添加,reason,Alwayssunny,Littlerainfall,Readagain,Thedroughtcameinspring.2.WaterlevelsintheChangjiangRiveraregoingup.3.Productionofthecropswilldropbecauseoflacking(缺乏)water.4.Anorangeweatheralertmeansnothingtoworryabout.5.Theweatherforecastsaysthedroughtwillendintendays.,T,F,T,F,F,Letsdecide,C.green-houseeffect,Letschoose,1.Whatsthereasonofthisdrought?,A.littlerainfall,B.sandstorm,C.sunnyweather,2.Whatstheeffectofthisdroughtonpeoplesdailylife?,C.nohouse,A.nocrops,B.notenoughdrinkingwater,3.Whatdidthegovernmentdotofightthedrought?,C.findariver,A.storewater,B.getmorewater,4.Whatenvironmentalfactorsmayaffectthissevereweather?,A.notenoughplants,B.pollutedair,Whatcanwedotopreventadrought?,Tips,Plantmoretrees.,Dontwastewater.,Storewater.,Letsdiscuss,Improvefarmingmethods.,Paymoreattention.,Wecantimaginetheworldwithoutwater.,Letscherisheverydropofwater,orthelastdr