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1、 英语四级深度阅读试题 trial,researchers asked 47 yolunteers to _52_in a project to measure glucose(葡萄糖)consurnption in the brain by scanning the brain to see how cells use energy.For both 50-minute scans,the volunteers had a cell phone _53_to each ear.During be first scan,the devices were turned off,but for t
2、he second scan,the phone on the right ear as_54_on and received a recorded-message call,although the yolume was muted(消毒)so the dise wouldnt bias the results.The results of the second scan abowed that the_55_of the brain rarest to the device had higher rales of glucose consumption than the rest of t
3、he brain.The study ows that cell phones can change brain activity,and _56_a whole new avenue for scientific quiry,tuough it doesnt say anything about whether cell-phone radiation can cause cancer. 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)maintain 参考答案 47、F immensely 48、L provides 49、N surprisingly 50、D expresses 51、B contributes 52、J paticipate 53、E fixed 54、O switched 55、M regions 56、H maintain 【英语四级深度阅读试题】