Haveyoueverlistenedtomusicveryloudlyontrainsorbuses?Maybe1canevenhearclearlywhatthesingersaresinging.Theproblemisthatthemusiciscomingoutfromyourearphones(耳机)！

Doctorswarn(警告)youngpeopleaboutthe2oflisteningtomusicfromearphonessoloudlyforalongtime.IntheUnitedStatesstudiesshowthat3peopleworkatperformancehalls30minutesadaytheywillhavehearingproblems.Thesepeopleslowlylosetheirhearingandneedto4themusicevenmoreloudlytohearitproperly.Asaresultthehearingproblemsbecome 5.

Asweknowtheearhas6parts:theouterpartthemiddleearandtheinsideear.Therearetiny(微小的)hairs7theinsideear.Thetinyhairsgetthesoundwaves(声波)andthenchangetheminto8thebraincanunderstand.Listeningtoloudnoiseforalongtimecan9thetinyhairsandthiscauseshearingloss.

Sonexttimeyoulistentomusicwhen10 yourearphonesmakesureitisnotloudenoughforotherstohear. Rememberthatoncehearinglosssetsinthereisnoturningback.

( )1.A.otherB.others

C.theother D.theothers

( )2.A.causeB.pollution

C.dangerD.safety

( )3.A.ifB.though

C.beforeD.while

( )4.A.turndown B.turnup

C.turnoffD.turnon

( )5.A.goodandgood

B.badandbad

C.betterandbetter

D.worseandworse

( )6.A.oneB.two

C.threeD.four

( )7.A.inB.for

C.acrossD.though

( )8.A.whyB.when

C.whereD.what

( )9.A.begoodfor

B.begoodto

C.beharmfulto

D.beharmto

( )10.A.useB.using

C.hearD.hearing