Unit 4 Natural Disasters 自然的力量课外话题阅读课件-高中英语人教版（2019）必修第一册

Thepowerofnature

MountNyiragongoisoneofthemostdangerousvolcanoesintheworld—andscientistssayitisonlyamatteroftimebeforeitmakesthecitybelowamoderndayPompeii

(庞培古城).Buttheydon'tknowwhensince,locatedasitisinthewar-torneasternedgeoftheDemocraticRepublicofCongo,thetwomilehighcauldron(大汽锅)oflava(岩浆)isalsooneoftheleastwellunderstood.TwiceinrecentyearsNyiragongo'seruptionshavehitthecity,destroyinghomesandsendingresidentsfleeing.Butnow,seismologists(地震学家)

believe,theriskisnotjustnearthecity,butdirectlybeneathit.TopicNews1

世界最危险火山随时爆发或造成灾难。尼拉贡戈火山（Nyiragongo）是世界上最危险的火山之一，科学家表示，山脚下的城镇重现庞培古城的悲剧只是时间的问题。因位于战火纷飞的刚果共和国东部地区，科学家们对于这座高大的岩浆“炉”知之甚少，所以尚且不乏预计这灾难性浩劫将在何时发生。

ScientistssaytheexplosionsofvolcanoesinJapanandthePhilippineshavesimilarcauses.Theydonotthinktheactivityislinked.Yettheyfearitmaybethestartofaverydestructivegeologicalperiod.ThevolcanoinJapanisMountUnzen.ThevolcanointhePhilippinesisMountPinatubo.BotharepartofagroupofvolcanoesaroundthePacificOceanknownasthe“ringoffire.”Uptoninetypercentoftheworld’sactivevolcanoesareinthisgroup.TopicNews2

Scientistssayvolcanoesaredriven

bypowerfulundergroundforces.

Theseforcesarecausedbythemovementofhugepieces,orplates,oftheEarth'souterskin,thecrust(地壳).Atoneedgeoftheringoffire,thePacificOceanplateismovingundertheNorthAmericancontinentalplate.Scientistshavebecomeskillful

atknowingwhenavolcanowillexplode.Buttheyarenotyetabletosayhowlongtheactivitywillcontinue.

NewMeasurementShowsMountEverestaBitHigherChinaandNepalhaveannouncedanewofficialheightforMountEverest,theworld'shighestmountain.Afternewmeasurements,thetwocountriesreportedonTuesdaythatEverest'speakstands8,848.86meterstall.Theresult1._____(report)duringanonlinevideoevent2._____(lead)bytheforeignministersofChinaandNepal.Thetwocountriesagreedtotheofficialheightafterexpertteamscompletednewsurveysofthemountainin2019and2020.Therehadbeendebateovertheactualheightofthepeakandconcern3._____itmighthaveshrunkafteraTopicPracticemajorearthquakein2015.Thequakekilled9,000peopleanddamagedabout1millionstructuresinNepal,4._____(cause)anavalancheonEverestthatkilled19people.ANepalgovernmentteamofclimbersandsurveyorsclimbedEverestinMay2019.5._____teamusedGPSandsatelliteequipment6._____(measure)thepeakandsnowdepthatthetopofthemountain.ChinesePresidentXiJinpingvisitedNepallaterthatyear.The7._____(leader)ofthetwocountriesdecidedtheyshouldagreeonanofficialheight.

AsurveyteamfromChinathencarriedoutmeasurementsinthespringof2020,whenallotherclimbingactivitieshadstoppedbecause8._____thecoronaviruscrisis.Nepal'sclimbingcommunitywelcomedtheendofdisputesoverEverest'sheight.Thefirstpeopleto

9._____(official)climbEverestwereNewZealand'sSirEdmundHillaryandNepal'sSherpaTenzingNorgay.TheyreachedthepeakinMayof1953.Sincethen,themountain

10._____(climb)10,184timesby5,789people.ThosenumberscomefromtheHimalayanDatabase,whichrecordsclimbingactivities.

NewMeasurementShowsMountEverestaBitHigherChinaandNepalhaveannouncedanewofficialheightforMountEverest,theworld'shighestmountain.Afternewmeasurements,thetwocountriesreportedonTuesdaythatEverest'speakstands8,848.86meterstall.Theresult1._____________(report)duringanonlinevideoevent2._____(lead)bytheforeignministersofChinaandNepal.Thetwocountriesagreedtotheofficialheightafterexpertteamscompletednewsurveysofthemountainin2019and2020.Therehadbeendebateovertheactualheightofthepeakandconcern3._____itmighthaveshrunkafteraTopicPracticewasannouncedledthatmajorearthquakein2015.Thequakekilled9,000peopleanddamagedabout1millionstructuresinNepal,4._______(cause)anavalancheonEverestthatkilled19people.ANepalgovernmentteamofclimbersandsurveyorsclimbedEverestinMay2019.5._____teamusedGPSandsatelliteequipment6._____(measure)thepeakandsnowdepthatthetopofthemountain.ChinesePresidentXiJinpingvisitedNepallaterthatyear.The7._____(leader)ofthetwocountriesdecidedtheyshouldagreeonanofficialheight.

causingThetomeasureleaders

AsurveyteamfromChinathencarriedoutmeasurementsinthespringof2020,whenallotherclimbingactivitieshadstoppedbecause8._____thecoronaviruscrisis.Nepal'sclimbingcommunitywelcomedtheendofdisputesoverEverest'sheight.Thefirstpeopleto

9.________(official)climbEverestwereNewZealand'sSirEdmundHillaryand