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1、高考英语阅读理解名校试题精炼1.体裁说明文题材手机的使用词数296Holdingacellphoneagainstyourearorstoringitinyourpocketmaybedangeroustoyourhealth.Thisexplainsawarningthatcellphonemanufacturersincludeinthesmallprintthatisoftenignoredwhenanewphoneispurchased.Apple,forexample,doesn’twantiPhonestocomeclosertoyo
2、uthan1.5centimeters;ResearchInMotion,BlackBerry’smanufacturer,recommends2.5centimeters.Ifhealthissuesarisefromcellphoneuse,thepossibleeffectsarehuge.Voicecalls—Americanschatoncellphones2.26trillion(万亿)minutesannually—earn$109billionforthewirelesscarriers.DevraDavis,anexpertwh
3、ohasworkedfortheUniversityofPittsburgh,haspublishedabookaboutcellphoneradiation,“Disconnect.”Thebooksurveysscientificresearchandconcludesthequestionisnotsettled.BraincancerisaconcernthatMs.Davisexamines.Overall,therehasnotbeenanincreaseinitsincidencesincecellphonesarrived.But
4、theaveragemasksanincreaseinbraincancerinthe20-to-29agegroupandadropfortheolderpopulation.“Mostcancershavemultiplecauses,”shesays,butshepointstolaboratoryresearchthatsuggestslow-energyradiationcoulddamagecellsthatcouldpossiblyleadtocancer.Childrenaremorevulnerable(易受伤的)toradia
5、tionthanadults,Ms.Davisandotherscientistspointout.Radiationthatpenetratesonlyfivecentimetersintothebrainofanadultwillreachmuchdeeperintothebrainsofchildrenbecausetheirskullsarethinnerandtheirbrainscontainmoreabsorptivefluid(易吸收的液体).Nostudieshaveyetbeencompletedoncellphoneradi
6、ationandchildren,shesays.HenryLai,aresearchprofessorinthebioengineeringdepartmentattheUniversityofWashington,beganlaboratoryradiationstudiesin1980andfoundthatratsexposedtoradiationhaddamagedDNAintheirbrains.Ms.Davisrecommendsusingwiredheadsetsorthephone’sspeaker.Childrenshoul
7、d-6-textratherthancall,shesaid,andpregnantwomenshouldkeepphonesawayfromtheabdomen(腹部).1.AccordingtoMs.Davis,braincancerincreases .A.amongchildren B.amongoldpeopleC.inthetwentiesD.amongpregnantwomen2.Whydochildreneasilybeaffectedbyradiation?A.Becausetheyhaven’tgrownup.B.B
8、ecausetheyaretooyoungtoprotectthemselves.C.Becausetheyusecellphonesm
