首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
So many people use the cell phone so frequently every day. But【C1】______ little is certain about the health effects of its use.
So many people use the cell phone so frequently every day. But【C1】______ little is certain about the health effects of its use.
admin
2017-05-31
25
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 (肿瘤), 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 measure 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 activity, 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
【C7】
选项
答案
E
解析
通过分析句子,空格处与前面的动词had构成have sth.done的结构,因此空格处需要填入一个动词的过去分词。根据句意,志愿者们每只耳朵上各被安装一部手机。因此,空格处应填入表示“安装,固定”等意思的动词,并与空格后的介词to进行搭配,由此可以确定动词fixed为本题答案,意为“使固定,安装”。空格处需要填入动词过去分词形式,因此动词原形derive,maintain以及第三人称单数形式contributes,expresses,provides均可以直接排除,另一个过去分词switched意为“转换;改变”,与此处要表达的意思不符,也可以排除。
转载请注明原文地址:https://jikaoti.com/ti/ndLsFFFM
本试题收录于:
公共英语三级笔试题库公共英语(PETS)分类
0
公共英语三级笔试
公共英语(PETS)
相关试题推荐
Inthepast,itwasbelievedthatdepressionwasmoreprevalentamongthepoorerandlesseducatedpeople,butthatisnotthec
Inthepast,itwasbelievedthatdepressionwasmoreprevalentamongthepoorerandlesseducatedpeople,butthatisnotthec
Inthepast,itwasbelievedthatdepressionwasmoreprevalentamongthepoorerandlesseducatedpeople,butthatisnotthec
ThenumberofspeakersofEnglishinShakespeare’stimeisestimatedtohavebeenaboutfivemillion.Todayitisestimatedthat
ThenumberofspeakersofEnglishinShakespeare’stimeisestimatedtohavebeenaboutfivemillion.Todayitisestimatedthat
TheSecurityCouncilhasthegreatestpowerintheUN.Themainfunctionofitistomaintaininternationalpeaceandrestorep
TheSecurityCouncilhasthegreatestpowerintheUN.Themainfunctionofitistomaintaininternationalpeaceandrestorep
AnembarrassingexperienceItwasthesmallhoursofthemorningwhenwereachedLondonAirport.IhadcabledLondonfromAms
AnembarrassingexperienceItwasthesmallhoursofthemorningwhenwereachedLondonAirport.IhadcabledLondonfromAm
随机试题
下列关于牙种植术的适应证的说法中,不正确的是
牙移植最易发生的排斥反应是
早产儿,胎龄32周。出生时体重1400g,生后5小时出现进行性呼吸困难,入院时呼吸不规则,经皮氧饱和度为75%。应先进行哪一项紧急治疗
一日凌晨4时左右,在西城区招待所住宿的张三突然被楼下“砰”的一声巨响惊醒,他透过窗玻璃看到在他对面十来米远的西城区百货大楼下,雨中有几个黑影正用铁棒撬一家商店的铝合金卷闸门。张三当即唤醒了同室的李四,后两人一同敲开了2楼值班室的门,并向旅馆老板讲述了情况。
在技术建议书的评价中,咨询公司的资历和经验占()。
下列有关城市总体布局的表述中,不正确的是()。
下列关于外商投资企业经常项目和资本项目外汇管理的说法中,正确的有()。
订货费不包括()。
20世纪60年代以来,世界上最有影响的教育思潮是()
Scientistsaroundtheworldareracingtolearnhowtorapidlydiagnose,treatandstopthespreadofanew,deadlydisease.SAR
最新回复
(
0
)