1、
阅读理解。
Doyoulikelisteningtomusic?Doesallofthemusicbringhappinesstoyou?Doyouknowsomemusicisnoise?Whatisnoise?Noiseisaloudorunwantedsound.Itisalsocallednoisepollution.
Whereisnoisefrom?Noisecanbecausedbymanykindsofmachines,suchasmotorcycles,planes,farmtractorsandTVs.And,tosomepeople,rockbandsarealsonoise.
Whathappenstopeoplewholivenearnoisymachinesorusethemoveraperiodoftime?Doctorsfindthatnoisepollutioncaninfluencebothourhealthandbehavior.Itcancausehighstresslevels,hearingloss,sleepproblems,andotherharmfuleffects.
Scientistsuseaunit(单位)ofmeasure(测量)calledadecibeltomeasuretheloudnessofasound.Thesoundofaquietroom,forexample,measures35decibels.Talkmeasuresbetween40to65decibels.Soundsfromtrafficandfromsomerockbandscanmeasureover120decibels.Noiseatthishighlevelcausesthegreatesthearingloss.
Howdowereducenoisedamage?Turndownyourmusicplayerorwearearmuffs(耳罩)whenyouareworkinginanoisyenvironment.Earmuffsforhumancanprotectagainstnoisepollution.
【1】Accordingtothepassage,noiseis.
A.terriblesound
B.anykindofsound
C.allsoundsthatyoucanhear
D.loudsoundthatpeopledon'twant
【2】Which of the following is TRUE according to the passage?
A.A decibel is a unit that measures sound.
B.In fact, a decibel is also a kind of noise.
C.A person who hates sound belongs to decibels.
D.Machines that make loud noise are called decibels.
【3】According to the passage, loud noises can .
A.stop machines B.cause a loss of hearing
C.improve people's hearing D.help people to sleep better
【4】We can infer from the passage that .
A.noise is only from traffic
B.any sound can hurt people
C.noise is a serious problem
D.rock music doesn't belong to noise
【5】Study this diagram below. Which of the room is suitable for you to do your homework?
Room | Noise Level |
A | 35 decibels |
B | 40-65 decibels |
C | 120 decibels |
D | 130 decibels |
A.Room A. B.Room B.
C.Room C. D.Room D.
【1】D
【2】A
【3】B
【4】C
【5】A
试题分析:
【1】由第一段中的"Noise is a loud or unwanted sound."可知,噪音是人们不需要的高分贝的声音。
【2】第四段可知,分贝是人们用来测量声音大小的单位。
【3】由第三段最后一句可知,噪声会使人失聪。
【4】第三段介绍了噪音对人的极大危害,所以噪音是一个大问题。
【5】由第四段中的"The sound of a quiet room, for example, measures 35 decibels."可知,分贝在35以下的房间是安静的房间,由此可推断,房间A适合做作业。
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