Unit4Earthquakes(FirstPeriod)BackgroundinformationStudents:34seniorhighschoolstudents(Ss),Grade1Lessonduration:45minsTeachingContentUnit4Earthquakes,warmingup&pre-reading.Lessontype:SpeakingTeachingobjectivesBytheendofthislesson,theSswillbeableto:Usetheirownwordstodescribeadisaster.Knowhowtoprotectthemselvesinfaceofadisaster.Knowthedamageofanearthquake.Improvetheirspeakingabilityandcooperativeabilitybytalkinganddiscussing.Observesomenaturalphenomenonindailylifeandcultivatetheirhabitofobserving.Searchtheinternetforspecificinformation.TeachingFocusSomebasicknowledgeabouttheearthquake.TeachingDifficultPointsTodescribeadisasterinEnglishTeachingAidsPPT,Acomputerroom,blackboard.TeachingProceduresStepⅠGreetingGoodmorning,boysandgirls.Goodmorning,teacher.StepⅡLead-in&WarmingUp(14')Guesstheriddle.(1’)Iamfromnature.I’measytogetangry.Ilovepeoplebuttheyhateme.Iloveshakingandtraveling.IwasinTangshanin1978AndinWenchuanin2008.Thisyear,ItraveledinYaan.WhoamI?Riddle(EARTHQUAKE)2.PlayavideoaboutanearthquakehappenedinLushan,Yaan.(5’)3.Asksomequestionsaboutthisvideo.(5’).Canyoudescribewhatthiscitylikebeforetheearthquake.(2’)It’squiteandcalm.Everythingissobeautiful.Peopleplayorworkasusual.2).Whathappenedafterthequake.(3’)Whathappenedtothepeople?Whathappenedtothehouses/buildings?Whathappenedtotheroads?Whathappenedtothebridges?Whataboutthewholecity?Thecitywereinruins(化为废墟）,thebridgesweredestroyed(毁掉了),buildingsfelldown.Peoplehurtordied,etc.4.Pairwork.(3’)1).DiscussinpairswhattheycanseeintheupperpicturesonPage25（1’）Tangshan:buildings,cars,people,streets,treesetc.SanFrancisco:bridge,ship,sea,buildings,etc.2).Describewhatmayhappentothemifanearthquakehappenedtothem.（2’）StepⅢPre-reading(24’)1.Discussing:Throughyourownlifeexperience,whatwillhappenbeforeastorm?(5’)Thecloudswillbecomedark,theairisstill,thereisnowind,theantswillremove,thefishinthewaterwillcomeoutandbreathe,thedragonflywillflyverylow....2.Whatdoyouthinkwillhappenbefo