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. M
So many people use the cell phone so frequently every day. But【C1】______little is certain about the health effects of its use. M
admin
2015-08-14
40
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
【C5】
选项
答案
B
解析
空格前面为名词短语the use of cell phones,后面为介词to,因此空格处需要填入充当谓语的动词。空格位于whether引导的从句中,从句要表达的意思是手机的使用是否会增加患癌症的风险,因此空格处应填入一个表示“造成,导致”意思的动词,并且需要与介词to搭配,由此确定contributes为本题答案,意为“促成,造成”。根据从句的主语,此处需要填入的是第三人称单数形式的动词,因此过去分词fixed,switched以及动词原形derive,maintain,participate可以直接排除,expresses“表达”和pro—vides“提供”均不符合题意,也可以排除。
转载请注明原文地址:https://kaotiyun.com/show/Xpjd777K
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
Attentiontodetailissomethingeveryonecanandshoulddoespeciallyinatightjobmarket.BobCrossley,ahuman-resourcesex
Pigshavealwayshadabadpress.Suchexpressionsas"piggishness","pig-headed","buypig-in-a-poke","hog-wash","hog-wild",
Writeanessayofabout120wordson"TheGenerationGap".Refertothefollowingpoints:(1)TheGenerationGapexistsbetwe
Christmaswasa【C1】______affair,whenIgrewup.TherewerejustmyparentsandI.Ivowed【C2】______somedayI’dmarryandhave
Today’spolicemeninlargecitiesthroughouttheworld【C1】______onmodeminventionstohelpthemintheirwork.Inmostplacesm
Today’spolicemeninlargecitiesthroughouttheworld【C1】______onmodeminventionstohelpthemintheirwork.Inmostplacesm
WhilepeoplearoundtheworldaretalkingaboutthepreventionandtreatmentofAIDS,let’snot【C1】______thatwehavehadanold
Whyarethemanandthewomandiscussingtheapartment?
GregLouganis:Thesewerethetrialsforthe1988OlympicsinSeoul,Korea.Untilthisdive,Ihadbeenahead.Butnow,some
Whataretheguests’comments?
随机试题
公安机关在侦查下列刑事案件过程中,应当撤销案件的是()。
以果实入药,果实极易分成两个小分果的药材是
某女,56岁,小便点滴而下,量极少而短赤灼热,小腹胀满,口苦口黏,渴不欲饮,大便不畅。舌质红,苔黄腻,脉滑数。中医辨证是()
在投标报价时,( )策略可做到既不影响投标总报价,结算又可得到较多的工程款。
【背景资料】某水电站大坝为混凝土双曲拱坝,坝高240m,总库容58亿m3,装机容量6×55万kW,年发电量约172亿kWh,固结灌浆施工于2008年12月开始施工,2013年3月全部完成。(1)地质简况和岩体质量分级。根据岩石强度、岩体
评估采用分拆处置方式的清算设备,一般采用()。
(2010、2008年考试真题)股票是一种证券持有人对公司的财产有直接支配处理权的证券。()
为表单建立了快捷菜单mymenu,调用快捷菜单的命令代码DOmymenu.mprWITHTHIS应该放在表单事件中的是
A、IamprettysurethatIwon’tbelate.B、Igiveyoumywordnottobelate.C、I’lltrymybest,sothere’snodoubtthatI’ll
Overnightsuccessusuallytakesatleast10years.Onemansaid,"Myovernightsuccesswasthelongestnightofmylife,I【C1】__
最新回复
(
0
)