文档介绍：大学英语四级阅读真题 Somanypeopleusethecellphonesofrequantlyeveryday,-frequencyradiationomission,butenoughstudiesarebeginningtodocumentapossible___49___inrarebraintumour(肿瘤):,theavidenceisn' trial,researchersasked47yolunteersto___52__inaprojecttomeasureglucose(葡萄糖)-minutescans,,thedeviceswereturnedoff,butforthesecondscan,thephoneontherightearas___54____onandreceivedarecorded-messagecall,althoughtheyolumewasmuted(消毒)sothedisewouldn',and__56__awholenewavenueforscientificquiry,tuoughitdoesn'tsayanythingaboutwhethercell-phoneradiationcancausecancer. A)conclusive I)mission B)contributes J)participate C)derive K)particular D)expresses L)provides E)fixed M)regions F)immensely N)surprisingly G)increase O)switched H)maintainSectionA Asyouareprobablyaware,thelatestjobmarketsnewsisn’tgood:Unemploymentisstillmorethan9percent,andnewj