Mobilephoneshelpuseasilyfindpe-查字典问答网

来自金剑秋的问题

　　Mobilephoneshelpuseasilyfindpeopleanywhereatanytime.AmobilephonecanincludemanythingssuchasgamesmusicandInternetaccess(互联网接入).Today4.6billionpeoplearoundtheworldhavemobilephonesaccordingtoCBS

　　HowevermobilephonesmaycausecanceraccordingtotheWorldHealthOrganization.Ina2010studypeoplewhousedamobilephonefor10yearsormoreweremorethantwotimesaslikelytogetbraincanceraccordingtoCNN.

　　“Ithinkitisagoodideatogivethepublicsomekindofwarningthatlong-termexposure(暴露)toradiation(辐射)fromyourmobilephonecouldpossiblycausecancer”toldDrHenryLai.Laiisascientistofbioengineering(生物工程)attheUniversity(大学)ofWashingtonwhohasstudiedradiationformorethan30years.

　　Thesesuggestionsmayhelpyoureduceyourriskofcancer:

　　1.Useaheadset(耳机)orspeaker

　　Headsetsgiveoutmuchlessradiationthanphones.Someheadsetsgiveoutlow-levelradiation.Howeveryoushouldtakeitoffyourearwhenyou’renottalkingtoanyone.Usingyourphonewithaspeakerwillalsomakeitsafer.

　　2.Listenmoretalkless

　　Yourphonegivesoutradiationwhenyoutalkortextbutnotwhenyou’relisteningorgettingmessages.Listeningmoreandtalkinglesscanlowertheriskofcancer.

　　3.Holdthephoneawayfromyourbody

　　Holdthephoneawayfromyourbodywhenyou’retalkingnotagainstyourear.Alsodon’tkeepitinyourpocket.

　　4.Choosetextingovertalking

　　Phonesgiveoutlessradiationtosendtextsthantocarryaperson’svoice.Textingalsokeepsradiationawayfromyourhead.

　　5.Poorsignal?Stayoffthephone

　　Apoorsignalmeansthatthephoneneedstogiveoutmoreradiationtowork.Makeandtakecallswhenyourphonehasastrongsignal.

　　1.Thestudyfrom2010showedthat_________.

　　A.peopleshouldusemobilephonesfornomorethan10years

　　B.peoplewhodon’tusemobilephoneswillnotgetbraincancer

　　C.thelongerpeopleusemobilephonesthemorelikelytheyaretogetbraincancer

　　D.themoremobilephonespeoplehavethemorelikelytheyaretogetbraincancer

　　2.WhichisNOTtrueaboutthesuggestionsmentionedinthepassage?

　　A.Someheadsetsdon’

1回答

2020-04-25 00:59

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　　1.C

　　2.A

　　3.D

　　分析：

　　手机帮助我们能很容易的随时随地找到人。手机可以包括很多东西比如游戏、音乐和互联网。如今全世界有46亿人拥有手机。手机有很强的辐射，这样患癌症的风险更大，因此短文提出了几点相关的建议。

　　1.a2010studypeoplewhousedamobilephonefor10yearsormoreweremorethantwotimesaslikelytogetbraincanceraccordingtoCNN.句意：据CNN在2010年的一项研究中人们使用手机10年或更久的将会得脑癌的数量超过两倍。结合选项第三项正确。故选C

　　2.giveoutmuchlessradiationthanphones.Someheadsetsgiveoutlow-levelradiation.句意：耳机比手机的辐射更少。一些耳机可以降低辐射强度。结合选项，明确第一项不符合短文中提到的建议。故选A

　　考点：

　　人物传记类短文阅读。

2020-04-25 01:01:28

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