Unit 4 Natural Disasters 自然的力量課外話題閱讀課件-高中英語人教版（2019）必修第一冊

Thepowerofnature

MountNyiragongoisoneofthemostdangerousvolcanoesintheworld—andscientistssayitisonlyamatteroftimebeforeitmakesthecitybelowamoderndayPompeii

(龐培古城).Buttheydon'tknowwhensince,locatedasitisinthewar-torneasternedgeoftheDemocraticRepublicofCongo,thetwomilehighcauldron(大汽鍋)oflava(巖漿)isalsooneoftheleastwellunderstood.TwiceinrecentyearsNyiragongo'seruptionshavehitthecity,destroyinghomesandsendingresidentsfleeing.Butnow,seismologists(地震學(xué)家)

believe,theriskisnotjustnearthecity,butdirectlybeneathit.TopicNews1

世界最危險(xiǎn)火山隨時(shí)爆發(fā)或造成災(zāi)難。尼拉貢戈火山（Nyiragongo）是世界上最危險(xiǎn)的火山之一，科學(xué)家表示，山腳下的城鎮(zhèn)重現(xiàn)龐培古城的悲劇只是時(shí)間的問題。因位于戰(zhàn)火紛飛的剛果共和國東部地區(qū)，科學(xué)家們對于這座高大的巖漿“爐”知之甚少，所以尚且不乏預(yù)計(jì)這災(zāi)難性浩劫將在何時(shí)發(fā)生。

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

Scientistssayvolcanoesaredriven

bypowerfulundergroundforces.

Theseforcesarecausedbythemovementofhugepieces,orplates,oftheEarth'souterskin,thecrust(地殼).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