首页
登录
职称英语
So many people use the cell phone so frequently every day. But 【C1】______ lit
So many people use the cell phone so frequently every day. But 【C1】______ lit
游客
2024-01-25
52
管理
问题
So many people use the cell phone so frequently every day. But 【C1】______ little is certain about the health effects of its use. Manufacturers 【C2】______ that cell phones meet government standards for safe radio-frequency radiation emission, but enough studies are beginning to document a possible 【C3】______ in rare brain tumors (脑瘤), headaches and behavioral disorders in children to cause concern. So far, the evidence isn’ t【C4】______on whether the use of cell phones【C5】______to any increased risk of cancer. In a new trial, researchers asked 47 volunteers to 【C6】______ in a project to censure glucose (葡萄糖) consumption in the brain by scanning the brain to see how cells use energy. For both 50-minute scans, the volunteers had a cell phone【C7】______to each ear. During the first scan, the devices were turned off, but for the second scan, the phone on the right ear was【C8】______on and received a recorded-message call, although the volume was muted (消音) so the noise wouldn’ t bias the results. The results of the second scan showed that the 【C9】______ of the brain nearest to the device had higher rates of glucose consumption than the rest of the brain. The study shows that cell phones can change brain activities and【C10】______a whole new avenue for scientific inquiry, though it doesn’t say anything about whether cell-phone radiation can cause cancer.
A) conclusive B) contributes C) derive D) expresses
E) fixed F) immensely G) increase H) maintain
I) mission J) participate K) particular L) provides
M) regions N) surprisingly O) switched [br] 【C5】
选项
答案
B
解析
空格后是介词to,空格处应填一个和介词to连用的动词。选项中只有B选项contributes可以和to连用,意为“导致”,故选B。
转载请注明原文地址:http://tihaiku.com/zcyy/3394070.html
相关试题推荐
[originaltext]Televisionnowplayssuchanimportantpartinsomanypeople
[originaltext]Televisionnowplayssuchanimportantpartinsomanypeople
[originaltext]Televisionnowplayssuchanimportantpartinsomanypeople
[originaltext]M:WhenIsayIliveinSweden,peoplealwayswanttoknowabout
[originaltext]M:WhenIsayIliveinSweden,peoplealwayswanttoknowabout
[originaltext]M:WhenIsayIliveinSweden,peoplealwayswanttoknowabout
[originaltext]Whenpeoplecareforanelderlyrelative,theyoftendonotus
[originaltext]Millionsofwordshavebeenwrittenaboutyoungpeopleinthe
[originaltext]Aresomepeoplebornclever,andothersbornstupid?Oristh
[originaltext]Manypeoplesufferfromsomeformofextremeanxiety.Someex
随机试题
Whatistrueaccordingtothepassage?[br]Whatdoes"omitted"(Line1,Para.4
Whenaconsumerfindsthatanitemsheorheboughtisinfaultyorin
Contrarytopopularbelief,"fallingstars"arenotstarsatall,butarem
[originaltext]M:Hi,Sherrill.W:Hello,Fill,howareyou?M:I’mfine,where
有利于结合企业近期目标和长期目标,考虑未来业务活动,能使预算与实际情况更相适应的
A.胆道出血 B.胃癌 C.门脉高压症 D.应激性溃疡 E.胃、十二指肠
B公司目前生产一种产品,该产品的适销期预计还有6年,公司计划6年后停产该产品。生
某商品流通企业根据上期各供应商的进货统计资料(如表6-1所示),采用加权综合评分
下列有关会员制期货交易所理事会的说法中不正确的是()。A.理事会是会员大会的
合同文件有:(1)技术规范;(2)中标通知书;(3)图纸;(4)公路工程专用合同
最新回复
(
0
)