unit2-severe-drought.ppt

Unit2,Weather,SectionC,Naturaldisasters（灾难）,Whatdisasterscanyoufindinthisvideo(灾难）?,Seaquake海啸,sandstorm,Tornado龙卷风,drought,landslide,volcano,Disastersinthevideo,Brainstorming:,snowstorm,flood,Allthedisastersmaycausetopeople,damage,disaster,Severeweather,resultfrom,Weatheralert天气警报,before,Reading,lesssevere,severe,moresevere,mostsevere,天气预警等级逐渐升高,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预警，警报severe严重的Drought干旱lightening闪电Province省份level水平线Bottom底部crop庄稼Government政府cause造成Release倾注，倒入Takeplace发生,TherehasbeenlittlerainfallalongtheChangjiangRiverforhalfayear.B.TheweatherisnotasusualinJiangxi,HunanandHubeiprovinces.C.AseveredroughthappenedinsomeprovincesalongtheChangjiangRiver.D.Chinahasgotthemostseveredroughtsince1954.,Letsanswer,Whatsthemainideaofthispassage?,SevereDroughtin2011,XinhuaNewsAgencyTheChangjiangRiver,Chinaslongest,isfacingaseveredrought.ThespringdroughttookplaceinJiangxi,HunanandHubeiProvince.,Letsread,据新华社消息，中国最长的河流长江正面临着一次严重的旱灾。这次春季干旱发生在江西、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。人们可以在湖底看到死鱼。没有水，庄稼将会欠收。更糟的是，没有足够的水供人们饮用。所以政府已经发出了橙色预警。,SevereDroughtin2011,Whatcausedthedrought?Thereasonisthattheweatherisalwayssunnyintheseprovinces.TherehasbeenlittlerainfallsinceJanuaryofthisyear.Thegovernmentistryingitsbesttogetmorewatertohelppeople.ThreeGorgesDambegantoreleasewaterintotheChangjiangRivertofightagainstthedrought.,Letsread,是什么造成了此次干旱？原因是这段时间天气一直晴朗，从一月以来几乎没有下过雨。政府正在努力获得更多的水来帮助人们。三峡水库也开闸放水入长江，以缓解旱情。,SevereDroughtin2011,Luckily,theweatherforecastsaystherainyseasoniscomingsoon.Itisgoodnewsforallthepeopleintheseprovinces.,Letsread,幸好，天气预报说雨季马上将要来临了。对这几个省的人们来说，这是个好消息。,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,单击添加,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