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ID:57152581
大小:123.50 KB
页数:19页
时间:2020-08-02
《大学英语四级听力原文2018.12(卷一)教学文案.ppt》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、听力原文2018.12(卷一)News1Adevicethatweighslessthanonekilogramispartofamissionthatwillallowscientiststodeliverfourthgenerationor4Gmobilecoveragetothemoonin2019。Ifsuccessful,thetinydevicewillprovidethemoonwithitsfirstevermobilephonenetwork。Thelunarnetworkwill
2、supporthighdefinitionstreamingofvideoanddatabetweenthemoonandearth。Thenetworkispartofamissiontothemoon。Thisisaprojectwiththegoaloflandingthefirstprivatelypaidformissiontothemoon。The4GmissionissettolaunchfromCapeCanaveralintheUnitedStatesonaspaceXFalcon
3、9rocketin2019。MissiontothemoonintendstoestablishandtestthefirstelementsofacommunicationsnetworkonthemoonThescientistsworkingontheprojectoptedtobuilda4Gratherthanafifthgenerationor5Gnetwork。Thisisbecausefifthgenerationnetworksarestillintestingandtrialph
4、ases。Thismeansthata5Gnetworkmaynotyetbestableenoughtoworkonthemoon‘ssurfaceQuestion1:Whatarescientistsplanningtodo?Question2:Whydidscientistschoosetosetupa4Gnetworkintheirmission?News2FirefightersrespondedtoafireWednesdaynightatanabandonedmallinHaywar
5、d.Thefirewasreportedat9:26P.M.atanoldshoppingcenteronMissionAvenuenearSt.Mary'schurch.Sixfireengines,twotrucksandtwochiefsrespondedtothescene.Crewshavethefireundercontrolinabout45minutesandmanagedtocontainthefiretoitspointoforigin.Thereweresomepeoplein
6、sidethebuildingwhenthefirebrokeout,buttherewerenoreportsofanyinjuries.Fireinvestigatorshaverespondedtothescenebuthavenotyetdeterminedthecourseofthefire.FirefightersrespondedtoafireWednesdaynightatanabandonedmallinHayward.Thefirewasreportedat9:26P.M.ata
7、noldshoppingcenteronwillremainonthesceneuntillaterthismorningtoensurethatthefiredoesn'tstartupagain.Theshoppingmallhadnotbeeninusesince2002.In2014CityHalldevelopedaplantoknockdownthebuildingandreplaceitwithaffordablehousing.Howevertheplanwasdroppedduet
8、olackoffunds.Question3:Whatdoesthenewsitemsayaboutthefire?Question4:WhathadCityHallplannedtodo?News3PotatochipsinJapanarebeingsoldfor6Xtheirnormalprice。Thisisafterthecountry‘smainmanufacturerstoppedsalesduetoapotatoshortage。Stormsandflo
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