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1、2022年职称英语考试理工类C类真题（阅读理解：第二篇）Musicisoneofthemostbeautifulformsofartisticexpression是everinvented.Inmoviesandplays，musichasanaddedfunction：itnotonlymovespeoplebutalsocanshockpeople.Oureardrumscanwithstandsoundwithin20to80decibels(分贝).Oncesoundexceedsthislimit，evenbeautifulmusicwillbecomeear-splittingno
2、iseandharmhealth.Astrongblast(响声)ofhighsoundcantwistandbreakasolidironsheet.Highsoundof150decibelscankillahealthyrat.Inmovies，sometimestheherocanproduceasoundthatordinarypeoplecan'thearandonlythosewhohavethesameabilitycanfeel.Innature，thereisactuallysoundthatisbeyondourhearing.Inphysics，thesound
3、thatexceeds20000Hziscalledultrasonic(超音波的).Dolphins，whalesandbatscanmakesuchhigh-frequencysound.Itdoesnoharmtohealth.Soundlessthan20Hziscalledinfrasonic(次声)waves.Whenwemove，theairwillvibrate.Thevibrationofaircanproduceinfrasonicwave.Asthefrequencyofinfrasonicwavesisclosetothatofpeople'sinternalo
4、rgans，infrasonicwavemaycauseresonance(共振)inhumanbodies.Asaresult，people'svisionmayweakenandinternalorgansmayrupture(断裂).However，whetheraninfrasonicwavecanbeusedasaweapondependsonitsintensity.Ifitsintensityisverylow，itwon'tdamageinternalorgansoraperson'shealth.Iftheintensityofinf让sonicwav
5、eexceeds160decibels，itisextremelyharmful.Whenwindblowsataforceof3or4overthesea，itwillproduceinfrasonicwavesofseveraldecibels.Onlytyphoonscanproduceinfrasonicwavesofover100decibels.Atpresent，scientistscanonlyproduceinfrasonicweaponsinthelabwiththehelpofadvancedscientifictoolsandpowerfulelectricpower.
6、1Whatcouldbethebesttitleofthepassage?AThepowerofmusicBTheharmsofnoisesCThemagicofsoundDThediscoveryofinfrasonicwaves查看原文2Whatdoestheauthorsayaboutmusic?AItmaybeharmfultopeople'shalthBItalwayscheerspeopleupCItisveryoftendifficulttounderstandDItsoundsbetterwhenitisloundenough查看原文3Itistruethattheso
7、und_AofnatureisthemostbeautifulBover80decibelsisharmfultopeopleCofhighintensitybenefitsanimalsDinmoviesispleasingtotheear查看原文4Anultrasonicsound_AisveryloudBdoesharmtopeople'shealthCcannotbeheardbypeopleDisproducedbytheheroinmovies查看原文5Itcanbefoundfromthelastparagraphthatinfrasonicwaves_Aareharmlesstopeople'shealthBexistinpeople'sinternalorgansCcanbeusedasdeadlyweaponsDcanimproveeyesight查看原文第4页 共4页第 4 页 共 4 页第 4 页 共 4 页第 4 页 共 4 页第 4 页 共 4 页第 4 页 共 4 页第 4 页 共 4 页第 4 页 共 4 页第 4 页 共 4 页第 4 页 共 4 页第 4 页 共 4 页