Theworldhasmanybeautifulsounds.Wecanhearthesongsofbirdsandthelaughofpeople.Wecanlistentothecoolmusicandnewsreports.Andit’sallbecauseofourears!Theybringusaworldofsounds.Butsomepeoplecan’thearanys

　　Theworldhasmanybeautifulsounds.Wecanhearthesongsofbirdsandthelaughofpeople.Wecanlistentothecoolmusicandnewsreports.Andit’sallbecauseofourears!Theybringusaworldofsounds.

　　Butsomepeoplecan’thearanysoundatall.Someareborndeaf.Otherscanhearwellintheirchildhood,buttoomanyloudsoundshurttheirearslateron.

　　ManypeopleinChinacan’thearordinarysoundsclearly.Alargenumberofthemarechildren.Mostofthemarebornwithgoodhearing.Butsixchildrenofevery1,000havehearingproblemswhentheyareborn.Andifachildhashearingproblems,heorsheusuallywillalsohavesomelearningproblemsatschool.

　　Alotofthingscancausehearingproblems.Forexample,toomuchearwaxisnotgoodforourhearing.Andnoiselouderthan85decibels(分贝)canhurtourearsandmakeusloseourhearingforashorttimeorevenforever.

　　Hearingisimportantforallofus.Soweshoulddoourbesttogiveourearsspecialcare.Don’tforgettodothefollowing:

　　●Trytostayawayfromplaceswithtoomuchnoise.Ifyouhavetogo,wearearplugs.Apairofgoodearplugscancutthenoiseby30decibels.

　　●Whenswimming,remembertoputearplugsintoyourearstostopwaterfromgettingin.

　　●Neverputanythingsharpintoyourears.Ifyouthinkyouhavetoomuchearwax,askyourmumordadtohelpyoucleanitout.

　　Keepthesethingsinmind!Thenyouwon’tbesaying“WHAT?WHAT?”whenyouareolder.

　　小题1:Whatdoestheunderlinedword“earwax”meaninthepassage?A．耳膜B．耳鸣C．耳垢D．耳疾小题2:Inthefirstparagraph,thewriterwantsto___________. A．tellusmanybeautifulsoundsB．describetheusesofearsC．explainthekindsD．showtheimportanceofears小题3:WhichofthefollowingisNOTmentionedbythewriter?A．Hearingproblemscausedbydiseases.B．Peoplewithhearingproblems.C．Waystoprotectourears.D．Dangerofloudnoise.小题4:Hearingproblemsmaybecausedby_________. A．alittleearwax