英语四级新闻听力句子分享 英语四六级

下面小编跟大家一起了解英语四级新闻听力句子分享，希望对大家的学习有所帮助。

1.

A.Internetconnectivity.

B.Androidoperatingsystem.

C.FreeGmailservice.

C.Youtubeservice.

2.

AWindcurrents.

B.Solarcollectors.

C.Sunradiation.

D.Abattery.

参考答案

AGoogle-backedprojecttobringinternetconnectivitytoruralareasaroundtheworldissettolaunchitsfirstserviceinKenya.TheprojectisledbyLoon,whichisownedbyGoogle'sparentcompany,Alphabet.Largeballoonscarrysolar-poweredequipmenthighintheskytosendhigh-speedinternetsignalstotheground.LoonofficialstoldthatitsballoonsareexpectedtoreachKenyainthecomingweeks.Loonbegantestingthesystemin2011,

butthisisthecompany'sfirstmarkettest.Theservicewillsell4Ginternetservicetopeoplelivinginarural,mountainousarea.Kenyantransportationofficialssaidtheyexpecttogivefinalapprovaltotheprojectthismonth.Itismadeofaplasticmaterialthatisbuilttolastatleast100days.Theballoonsarefilledwithgasthatislighterthanairandriseupto20kilometersintothesky–aheighttwiceashighasairplanesfly.Thishelpstheballoonsavoidweatherproblemsandwildlife.

Loonballoonsmovethroughtheskiesbywindcurrentsthatcarrythemupanddownduringtheflightpath.Theyaredesignedtolinkupwithateamofballoonsoverareaslackinginternetconnectivity.Stationsonthegroundsendsignalsfromlocalinternetserviceprovidersuptotheballoons.Thesesignalsarethenfedbacktoearthinasimilarwaytohowsatelliteswork.Peopleonthegroundcanthenconnecttothehigh-speedinternetservice.Loonsayssolarcollectorspowertheequipmentduringthedayandchargeabatterytorunthesystematnight.

Question1:Accordingtothenewsreport,whatkindservicewouldtheGoogle-backedprojectLoonprovideinKenya?

Question2:Accordingtothenewsreport,whatwillruntheprojectLoonsystematnight?

重点词汇

1.connectivity:theabilityofacomputer,program,device,orsystemtoconnectwithoneormoreothers（电脑、程序、设备、系统等的）连接性能

2.current:amovementofwater,air,orelectricityinaparticulardirection水流；气流；电流

3.charge:toputelectricityintoanelectricaldevicesuchasabattery充电

背景知识

ProjectLoon是GoogleX实验室的计划之一，通过多个热气球为指定地区的人提供快速及稳定的Wi-Fi网接网络。Alphabet的互联网气球项目ProjectLoon与肯尼亚签署商业协议，利用高空气球为偏远地区提供联网服务。ProjectLoon将与肯尼亚电信合作，肯尼亚电信提供网络信号，Loon将其传递到偏远地区。据路透社报道，Loon正与肯尼亚第三大航空公司肯尼亚合作进行商业试验。

参考答案

Question1:A

Question2:D