人教版必修1-Unit+4+Earthquakes+warming+up+.ppt

TalkaboutNaturalDisasters,Howmanynaturaldisastersdoyouknow?,typhoon,tornado,hurricane,seismicseawave/tsunami,volcano,sandstorm,thunderstorm,Fire,Flood,earthquake,Unit4,Earthquakes,Lookatthefollowingpictures,trytodescribe(描述)whatyouhaveseeninthepicture,SanFrancisco,GoldenGateBridge,Tangshan,manybuildings,roads,cars,people,Canyouimaginewhatwouldthecitybelikeaftertheearthquake?,Thebuildingsfelldown(倒下).,buildings,Manythingsweredestroyed,suchas,bridge,railway,Thecracks(裂缝)cutacross(横断,截断)theroads.,road,Thecitylayinruinsaftertheearthquake.,*Lieinruins:变成废墟,Whatstrangethingswouldhappenbeforeanearthquake?,Brightlightsflashinthesky,Animalsaretoonervoustosleep,suchascats,dogs,chickens,horses,ducksandrabbits,etc.,Miceranoutofthefields,Fishjumpedoutofbowlsandponds.,Therewerecracksonthewells.Thewaterinthewellroseandfell.,我国地震分布,seismograph,Tangshan,Hebei,03:42:53July28th,1976,Whenandwheredidthegreatestearthquakehappeninthe20thcentury?,THEEARTHDIDNTSLEEP,ANIGHT,Reading,Dividethewholepassageintothreepartsandthenfindoutthetopicsentenceofeachpart.Trytogetthemainideaofeachpart.,Fast-reading:,Structureofthenewsreport:,Clue(线索)ofthestory:,Part1.,Beforeduringafter,（Para.1）,(Para.2,3),(Para.4),Strangethingswerehappeningbeforetheearthquake,butnoonetookanynoticeofthem.,TheearthquakedestroyedthecityofTangshanandshockedthepeopleverymuch.,Thearmycametohelpthesurvivors（生还者）,bringinghopeforanewlife.,part2.,part3.,theearthquake,Timeorder,Carefulreading,Whathappenedbeforetheearthquake?,Wallsofthewells_.Chickensandpigs_.Mice_.Fish_.Soundandlights_.Waterpipes_.,haddeepcracks,weretoonervoustoeat,ranoutofthefieldslookingforplacestohide,jumpedoutofbowlsandponds,wereheardandseen,crackedandburst,Para.1,Whathappenedduringtheearthquake?,House,roadsandcanals,Steam,Hillsofrock,Thelargecity,hadahugecrack,burstfromholeintheground.,becameriversofdirt,layinruins,Para.2.3,True(T)orfalse(F)statement:,1.Two-thirdsofthenationfelttheearthquake.()2.AllthepeopleinTangshanweredeadorinjuredduringtheearthquake.()3.Allofthecityshospitals,factories,buildingsandhomesweredamagedintheearthquake.()4.Laterthatafternoon,aterribleearthquakeshookTangshanagain.()5.Peoplesleptoutdoorsaftertheearthquake.(),F,F,F,T,T,One-third,Two-thirds,75%,90%,75%,Whathappenedaftertheearthquake?,Thearmy:,Workers:,-sentsoldierstoTanizedteamstodigoutthosewhoweretrappedandtoburythedead.,-builtsheltersforsurvivorswhosehomeshadbeendestroyed.,Para.4,Result:,Thecitybegantobreatheagain.Allhopewasnotlost.,Tangshansnewlook,Howcanweprotectourselves(自我保护)inanearthquake?,Discussion,A,H