【课件】Unit-4-Earthquake

ListthenaturaldisastersthatyouknowfireNaturalDisastersfloodtyphoonsnowslide(雪崩)volcano(火山)mudflowsandstormTsunami(海啸）earthquakeListthebigearthquakesthathappenedinChinaTangshanThisbeautifulcityisinHebeiProvince.Itlookssobeautifulnow.Butdoyouknowthatin1976,abigearthquakehappenedinthisverycity?Tangshan,HebeiJuly28th,1976唐山大地震概况1976年7月28日3时42分53.8秒，中国河北省唐山、丰南一带（东经118.2°，北纬39.6°）发生了强度里氏7.8级（矩震级7.5级）地震，震中烈度Ⅺ度，震源深度23千米，地震持续约12秒。强震产生的能量相当于400颗广岛原子弹爆炸，地震造成242769人死亡，16.4万人重伤，列20世纪世界地震史死亡人数之首。唐山大地震概况它发生在现代中国重大转折的1976年。它不仅造成的伤亡3倍于汶川地震，更发生在京津唐这样的中国政治中心地带。当年周恩来、朱德、毛泽东三位伟人相继去世.OnMay12th,200814:28AbigearthquakehappenedinWenChuanSichuan!RoadswerecrackedCarswerebrokenBuildingsweredestroyedAnotherearthquakeinChina北京时间2013年4月20日8时02分46秒，在四川省雅安市芦山县龙门乡、宝盛乡、太平镇交界（北纬30.3°，东经103.0°）发生面波震级为Ms7.0的地震，震源深度13公里。受灾人口152万，受灾面积12500平方公里。Doyouknowwhyanearthquakehappens?SanFranciscoPacificplateAmericanplateEurasianplateIndiaplateAfricanplateAntarcticplateTheearthismadeupofmanyplates(板块),andtheplatesarealwaysinthestateofmoving.Whentwodifferentplatesknocktogetherwhenmoving,anearthquakehappens.Paragraph4•PacificplateNorthSouthWestEastAmericanplateEarthquakeHappensManypeoplebelievethat“itisalwayscalmbeforeastorm.”butisitright?Ifnot,whatstrangethingsmayhappenbeforeanearthquake?2.Whatstrangethingswouldhappenbeforeanearthquake?Animalsaretoonervoustosleep,suchascats,dogs,chickens,horses,ducksandrabbits,etc.Whatdoyouthinkmayhappenbeforeanearthquake?Thewaterinthewells____and____.Andsomedeep______couldbeseeninthewellwalls.A______gascameoutthecracks.rosefellcrackssmellyWhatdoyouthinkmayhappenbeforeanearthquake?Miceranoutofthefields___________placestohide.Fish_________outofbowsandponds.lookingforjumpedWhatdoyouthinkmayhappenbeforeanearthquake?Thechickensandevenpigswere______nervous_____eat.Thedogwas________loudlyagainandagain.tootobarkingWhatdoyouthinkmayhappenbeforeanearthquake?Peoplecouldsee_______lightsinthesky.brightImagineyourhomebeginstoshakeandyoumustleaveitrightaway.Youhavetimetotakeonlyonething.Whatwillyoutake?personalwashingthingsabottleofwatermoneytorchmobilephonefoodandsweetsblanketmedicineYouwilltake:ANIGHTTHEEARTHDIDN’TSLEEPReadingParagraph1Paragraph2Paragraph3Lookateachpartandwritedownitsmainidea.Part1Part2Beforetheearthquakestrangethingsbegantohappenbutnoonetookanynoticeofthem.TheearthquakedestroyedthecityofTangShanandshockedthepeopleverymuch.Paragraph4Part3Thearmycametohelpthesurvivors,bringinghopeforanewlife.Jointhecorrectpartsofthesentences.2Thepeopledidn’tworrybecause1Thechickensdidn’teatbecauseCtheywerenervous.Etheydidn’tknowwhatthestrangeeventsmeant.3Suchagreatnumberofpeoplediedbecause4Waterwasneededbecause5ThepeopledidnotlosehopebecauseDdamsandwellswereuseless.Bthequakehappenedwhiletheyweresleeping.Athearmycametohelpthem.MakeatimelineTimeEventForthreedaysAt3:42amLaterthatafternoonSoonafterthequakesForthreedayssmellygascameoutoffish:jumpwellwaterroseandfallcrackschickens,pigs:toonervoustoeatmice:runouttohideInthewellInthefarmyardAtabout3:00amonJuly28,1976thesoundofplanescouldbeheardwaterpipes:crackedandburstbrightlightwereintheskyIntheskyInthecityHouse,roadsandcanalsSteamHillsofrockThelargecityhadahugecrackburstfromholeintheground.becameriversofdirtlayinruinsAt3:42amLaterthatafternoonExplainthetitle“Anighttheearthdidn’tsleep”.Thensuggestanothertitleforthetext.Thetitlemeansatthatnight,theearthdidn’tfallasleepasusual,butbecameactive.Itisapoeticwayofsayingthatanearthquakehappened.Sample:“Thewakingearthandthesleepingcity”“Tangshan’sgreatchallenge”GroupworkAt3:42am,everythingbegantos_____.Itseemedthattheworldwasa_________.O________(1/3)ofthenationf____it.Ah_____crackcutacrossthecity.Thecitylayi_______.Two-thirdsofthepeopled____orwerei_______.Thenlaterthatafternoon,anotherbigquakes______TangShan,whicht_______manyr______workersanddoctors.Peoplebegantowonderhowlongthed______wouldl_____.hakene-thirdeltugenruinsiednjuredhookrappedescueisasterasttanendFillintheblanks.SoonafterthequakesThearmy:Workers:---sentsoldierstoTangshan.organizedteamstodigoutthosewhoweretrappedandtoburythedead.---builtsheltersforsurvivorswhosehomeshadbeendestroyed.Result:Thecitybegantobreatheagain.True(T)orfalse(F)?1.Two-thirdsofthenationfelttheearthquake.()2.AllthepeopleinTangshanweredeadorinjuredduringtheearthquake.()3.Allofthecity’shospitals,factories,buildingsandhomesweredamagedintheearthquake.()FFFOne-thirdTwo-thirds75%90%75%4.Laterthatafternoon,aterribleearthquakeshookTangshanagain.()5.Peoplesleptoutdoorsaftertheearthquake.()TT6.Notonlythepeoplebutalsotheanimalswereshockedgreatly.7.Manyrescueworkersanddoctorsweretrappedundertheruinsduringtheaftershock.TT1.Whatisthepassagemainlyabout?AnearthquakehappenedinTangshanin1976.Readthetextcarefullyandanswerthesequestions.3.Whatdidpeoplehear?2.WhatdidpeopleinTangshanseeintheskybeforetheearthquake?Theysawbrightlightsinthesky.TheyheardthesoundofplanesoutsideTangshanevenwhennoplaneswereinthesky.4.Whatdidpeoplenoticeinthewells?5.Didpeoplepayanyattentiontotheseabnormalphenomena?Peoplenoticedthewellwallshaddeepcracks,andasmelly