Unit 4 Unforgettable Experiences.ppt

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1、Unit4UnforgettableexperiencesWarmingupLookatthefollowingpictures.Doyouknowwhotheyare?Whatmadethemunforgettable?Video---SeismographDoyouknowthem?…isthemanwho……istheparkwhich/thatVideo--EarthquakeBackgroundEarthquakesareconstantlyreshapingthesurfaceoftheearth.Whethe

2、rgoodorbad,earthquakesareanaturalconsequenceoflivingonthisplanet.Theyhavebeenamysteryforpeopleforthousandsofyears,andtheywillcontinuetofascinateusformanymoreyearstocome.Butslowlywearelearningmore.HaveyouevenheardTangShanearthquake?LetmelearnmoreaboutTangShanearthqu

3、ake:OnJuly28,1976,at3:42a.m.localtime,apowerfulearthquakeregisteringM8.2occurredinnortheasternChinaabout95mileseastofBeijingnearTangShan,anindustrialcityofabout1millionpeople.Manyeyewitnessessaidtheysawabrightflashedacrosstheskywhichwasfollowedbyadeafeningroarjustb

4、eforetheshakingbegan.Vigorousshakinglastedforseveral10'sofseconds.Arobustaftershocksequencefollowedandculminatedabout18hourslaterwhenanotherpowerfulM7.6earthquakestruckjustoutsideTangShan.Buildingsthatwerepartiallydamagedduringthefirsttemblorwerewreckedbytheseconda

5、ndmanyparticipatinginrescueattemptswerekilled.Thecitywasdescribedbysomeasbeingtotallydestroyed,withfewbuildingsleftstanding.Listening—part1Listentothetapecarefully,thenanswerthefollowingquestionsinpairs.Whendidtheearthquakehappen?Wherewasthemandrivingwhenithappened

6、?Whatwasthefirstthinghesaw?Whathadhebeendoingbeforetheearthquake?Whatwashegoingtodo?Whendidtheearthquakehappen?Theearthquakehappenedataquarterpastfiveintheafternoon.(5:15pm)2.Wherewasthemandrivingwhenithappened?Themanwasonhiswaytohisdaughter’sschool.3.Whatwasthefir

7、stthinghesaw?Thecarinfrontstartedtomovefromsidetoside.4.Whathadhebeendoingbeforetheearthquake?Beforetheearthquakehehadfinishedhisworkandgonetothepostoffice.5.Whatwashegoingtodo?Hewasgoingtofetchhisdaughterfromherschool.Listening—part2Listentopart2,fillintheblanksan

8、dwritethewordsinthespaces.1.I_________myselfinthedark.2.ThenIrememberedwhat_______________.3.ItwascleartomenowthatI__________inanearthquake.4.The