Unit4EarthquakesPeriod4Section1:AtextstructureanalysisofANIGHTTHEEARTHDIDN’TSLEEPI.TypeofwritingandsummaryofthemainideaTypeofwritingThisisapieceofdescriptivewritingMainideaofthepassageThearticledescribesthecause,thecourseandtheresultofTangShanearthquakein1976.Itshowsustheterribleimageofearthquake.Atthesametimeithitsusthatwemustrealizethatwecandosomethingtominimizethedamagecausedbyearthquake.Topicsentenceof1stparagraphStrangethingswerehappeninginthecountrysideinnortheastHebei.Topicsentenceof2ndparagraphEverythingbegantoshakeanditseemedthattheworldwasatanend.Topicsentenceof3rdparagraphEverywheretheylookednearlyeverythingwasdestroyed.Topicsentenceof4thparagraphAllhopewasnotlost.II.AtextstructureanalysisReadthetext“ANIGHTTHEEARTHDIDN’TSLEEP”,andthencompletethefollowingchart.Time/orderWhathappenedResultthreedaysbeforetheearthquakeatabout3:00amSaw:crackswaterinthewells---roseandfell,[animals---toonervous,hidefishjumpedoutofbowls&pondsbrightlightintheskywaterpipes---crackedandburstheard:soundofplanessmelt:smellygasinthecracksofthewellsPeoplethoughtlittleoftheeventsandwenttobedasusualat3:42amfelt:everythingshookone-thirdnationfeltitheardinBeijing100kilometersawayahugecrackcutacrosshouses,roads…saw:steamburstfromholesinthegroundhardhillsofrock-riversofdirtcitylayinruins4400,000peoplekilled/injured75%factories90%homeweregonebrickscovereddams/bridgesfellnotsaferailwaytracksuselesscowsnevermilkpigs/chickensdiedwellsfilledwithsandrescueworkersanddoctorstrappedundertheruinsbuildingsfelldownwater/food/electricityhardtogetafterthathopenotlostarmysent150,000soldiersworkersbuiltsheltersforsurvivorsfreshwaterwastakentothecitythecitybegantobreatheagain源:III.AretoldversionofthetextOnepossibleversionStrangethingshappenedinTangShan.Forthreedaysthewaterinthevillagewellsroseandfell.Thewellwallshaddeepcracksandasmellygascameoutthecracks.Thechickens,pigsandmiceweretoonervous.Fishjumpedoutofbowlsandponds.Brightlightappearedinthesky.Peopleheardthesoundofplanesevenwhennoplaneswereinthesky.Thewaterpipesinsomebuildingscrackedandburst.At3:42ameverythingbegantoshake.Itseemedthattheworldwasattheend!One-thirdofthenationfeltit.Ahugecrackcutacrossthecity.Infifteenterriblesecondsalargecitylayinruins.Two-thirdsofthepeoplediedorwereinjured.Nearlyeverythingwasdestroyedinthecity.75%ofitsfactoriesand90%ofitshomesweregone.Thenlaterthatafternoon,anotherbigearthquakeshookTangshan.Peoplebegantowonderhowlongthedisasterwouldlast.Butallhopewasnotlost.Thearmysent150,000soldierstohelpthem.Workersbuiltsheltersforsurvivors.Slowly,thecitybegantobreatheagain.Section2:BackgroundinformationonEARTHQUAKESI.ZhangHengZhangHeng(张衡)(78AD—139AD)wasanastronomer,mathematician,artistandliteraryscholar（文学学者）intheEasternHanDynastyofChina.Bornintoday’sNangyangCounty,Henan,hewasagoodwriteratage12.Attheageof16,helefthometopursue(从事)hisstudyingthecapitalcity.Hespentatleast10yearsofhisyouthinliterarystudiesandwriting.Hepublishedseveralwell-recognizedliterarywritings.Heswitchedto(转向)astronomyafterage30.Intheyear123hecorrectedthecalendartobringitintolinewiththeseasons.In132ZhangHenginventedthefirstseismograph(地震仪)formeasuringearthquakes.Hisdevicewasintheshapeofacylinder(圆柱体)witheightdragonheadsaroundthetop,eachwithaballinitsmouth.Aroundthebottomwereeightfrogs,eachdirectlyunderadragonhead.Whenanearthquakeoccurred,aballfel...
