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时间:2021-01-01
《九年级下册英语阅读理解解题技巧讲解及练习题(含答案)含解析.docx》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、【英语】九年级下册英语阅读理解解题技巧讲解及练习题(含答案)含解析一、英语阅读(日常生活类)1.根据短文内容,判断下列句子正误。Doyouoftenlistentomusicatloudvolumes(音量)?Youshouldknowthatthishabitisbadforyourhearing.Over1billionyoungpeopleareatriskofhearingloss(听力丧失),becauseoflisteningtoloudnoiseforlongperiodsoftime.Listeningtomusicorw
2、atchingaTVshowatloudvolumescanharmyourhearing.TheUnitedNationshasstandardsforsafelistening.Itisnotsafetolistentosoundsthatarelouderthan85dB(分贝)foreighthoursor100dBfor15minutes.Thesoundofabusyroadisabout85dBandthesoundofarockconcertcanbeabout100dB.Loudnoiseisharmfultothein
3、ner二Mostofusarebonwithabout16,000haircells(听毛细胞)inourinnerears.Thesecellsnoticesounds.However,listeningtoloudnoiseforalongtimecanmakethesecellsworktoohardandcausesomeofthemtodie.Thisiswhatcauseshearingloss.Oncethishappens,it'shardtogetyourhearingback.Somepeoplemightthinkt
4、hattheirmusicisn'tallthatloud.Butthiscandependonwhereyouare.Forexample,ifyouareinanoisyplacelikethesubway,youmightturnupyourmusictooloudwithoutrealizingit.Later,whenyoulistentoitatthesamevolumeinaquietplace,youalightfeeluncomfortableThe"safelevel"formostsoundisbelow80dBfo
5、rupto40hoursaweek.Alevelof80dBisaboutequalto(相当于)thenoiseofasubway.Hereissomeadviceonsafelistening.Over—the—earheadphones(头戴式耳机)arebetterthanin—earones.Theydoabetterjobofstoppingoutsidenoise,soyoucanlistenatalowervolume.Don'tlistentoloudmusiconyourheadphonesforalongtime.F
6、ollowthe60:60rule:listentomusicat60percentofyourheadphones'maximumvolumefornomorethan60minutesaday.(1)Itissafetolistentosoundsthatarelouderthan100dBfor15minutes(2)Listeningtoloudnoiseforalongtimecancausesomehaircellsintheinnereartodie.(3)Fromthefourthparagraph,weknowpeopl
7、edon'talwaysrealizehowloudtheirmusicis.(4)In—earheadphonesarebetterthanover—the—eatonesbecausetheycanstopmoreoutsidenoise.(5)Thisarticlemainlytellsuswhyearsareanimportantpartofourbodies.【答案】(1)0(2)1(3)1(4)0(5)0【解析】【分析】文章大意:本文主要讲述了听大音量音乐的习惯对听力有害。世界卫生组织称,超过10亿的年轻人在听力方面存在问题,
8、因为他们长时间大声聆听。联合国有安全聆听标准。听八十小时大于85分贝或15分钟大声100分钟的声音是不安全的。长时间聆听大声的声音可能会使这些细胞工作太猛,并使其中一些细胞死亡。这就是人们听力
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