欢迎来到天天文库
浏览记录
ID:20498263
大小:46.50 KB
页数:3页
时间:2018-10-13
《环球雅思学校6分入学测试题》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、环球雅思学校入学测试题(A)READINGREADINGPASSAGE1Youshouldspendabout20minutesonQuestion1-13,whicharebasedonReadingPassage1below:Readingpassage1haseightsectionsA-H.ChoosethecorrectheadingforA-Gfromthelistofheadingsbelow.LISTOFHEADINGSiiiiiiivvviviiviiiixxxixiiResearchonearphone
2、sharmBeyondcomfortableofhearingThemaximumnoiselevelofthe'Walkman'HarmfulnoisepollutionNoiseeverywhereReasonsforharmThemaximumsafenoisedosageThecurseofsilenceAcurefor'tinnitus'AlarmingstatisticalevidenceAchronichearinglossimpairmentThedangeroffallingasleep1.Section
3、Aiv2.SectionBv3.SectionCxi4.SectionDvii5.SectionEiii6.SectionFxii7.SectionGixExampleSectionHviiiAItisbyoldsayingthatthevirtueofsilencebyclaimingitisgolden,yetexperiencetellsusthatsilenceisashardtocomebyasthepreciousmetalitself.Thebenefitofsilencetothehumanearissci
4、entificallydemonstrable.Lesssuperfluousnoise;lessimpairmenttothehearing.Yetthispreciouscommodityisnolongervalued.Noiseiseverpresentinmodernlifeandisanaccumulativeexperience.Theilleffectsofnoisepollutionareoftwokinds:acute--exposuretoanindividualinstanceofaveryloud
5、noise,suchasagunshotorexplosion;andchronic--theexperienceoftoomuchnoiseoveranextendedperiodoftime.BCityandurbandwellersexistinanincreasinglynoise-riddenenvironment,anditisnowalmostimpossibletoescapeexposuretohighnoiselevels.Evenifweexcludethemoreobvioussourcesofno
6、isepollutionsuchasjetplaneengines,roadworks,powertools,loudmusicatdancepartiesandsoon,itisclearthatnoiseisaconstantandoftenunwelcomecompanion.Wehaveonlytowalkthroughasuburbanshoppingmallordepartmentstore,orcatchabusortraintobesubjectedtonoiselevelsthatafewdecadesa
7、gowouldhavebeenconsideredbeyondhumanendurance.Thepopularpracticeof'layering'sound,byaddingaloudersourceofnoisetothatwhichalreadyexistsinordertomaskit,merelycompoundstheproblem.Becauseoftheaccumulativenatureofnoiseabuse,constantnoiseisworsethannoisyperiodsintersper
8、sedwithsilence.COurnoiselevelacceptancethresholdisrisinginstepwiththenumberofpersonsdevelopinghearingproblems.Dataavailablefromarecentsurveyconductedbyt
此文档下载收益归作者所有