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
If you use a computer at work, you probably already know that a long day of 【B1】______ your screen can lead to eye【B2】______, ti
If you use a computer at work, you probably already know that a long day of 【B1】______ your screen can lead to eye【B2】______, ti
admin
2016-03-29
19
问题
If you use a computer at work, you probably already know that a long day of 【B1】______ your screen can lead to eye【B2】______, tired eyes, headache, muscle aches and other symptoms of computer vision syndrome(CVS). But you may not know that CVS also can cause work mistakes and lost productivity.
A study【B3】______ by the University of Alabama at Birmingham(UAB)School of Optometry examined the relationship between the vision of computer workers and their productivity in the workplace. This study has three findings. First, a direct correlation(关联)between proper vision correction and productivity. This relationship particularly is 【B4】______ with complex and /or repetitive computer tasks such as data 【B5】______. Second, a direct correlation between proper vision correction and the time required for a computer worker to perform a task. Computer-related tasks took much longer when the【B6】______ wore glasses with less than the best correction. Third, reduced productivity even among computer users who were【B7】______ they had vision problems. Computer users with small refractive(折射的)errors may not notice any vision 【B8】______. But without proper vision correction, their performance on a specific task can suffer significantly—by as much as 20 percent. "Our data【B9】______ suggest that improving the visual status of workers using computers【B10】______ greater productivity in the workplace, as well as improved visual comfort," said Kent Daum, OD, PhD, the study’s chief investigator.
【B7】
选项
答案
unaware
解析
根据空格前的be动词were可知,此空需填入表语形容词或动词分词。unaware“没察觉到的”。
转载请注明原文地址:https://jikaoti.com/ti/KauFFFFM
0
大学英语四级
相关试题推荐
Differentthingsusuallystandfordifferentfeelings.Red,forexample,isthecoloroffire,heat,bloodandlife.Peoplesay
Faces,likefingerprints,areunique.Didyoueverwonderhowitispossibleforustorecognizepeople?Evenaskilledwriterp
CaringforElderlyParentsCatchesManyUnpreparedA)LastJuly,JulieBaldocchi’smotherhadamassivestrokeandwasparalyzed
CaringforElderlyParentsCatchesManyUnpreparedA)LastJuly,JulieBaldocchi’smotherhadamassivestrokeandwasparalyzed
AmericanvisitorstoEasternAsiaareoftensurprisedand【B1】______byhowAsianculturesandcustoms【B2】______fromthoseinthe
PreparingforComputerDisastersSummaryA)Whenhomeofficecomputersgodown,manysmallbusinessesgrindtoahalt.Fortunate
A、Peopleshouldeatmoretogetsufficientamountofvitamins.B、Peopleshouldhavemoresunlighttoensureabsorbingvariousvi
A、Shecontainedherhappiness.B、Shepretendedtobecheerful.C、Shethoughttheexamwashard.D、Shewasawfullypleasedwithh
ProtestsattheuseofanimalsinresearchhavetakenanewandfearfulcharacterinBritainwithattemptedmurderoftwoBritis
随机试题
政治
下列哪一项不符合缺铁性贫血
下列哪个行为不构成信用卡诈骗罪:
【2006年第114题】抗震设计时,全部消除地基液化的措施中,下面哪一项是不正确的?
连续速度调节系统按控制原则分为()。
关于Word2003的功能,下面说法中正确的是()。
()主要留给因特网体系结构研究委员会lAB使用。
康有为在奏章中往往采取在“中体”中借用西学“移花接木”法,给皇帝讲“心当变法”的道理。顽固派指责他“其貌则孔也,其心则夷也”。他这样做的目的是()。
(2012年广东.50)水至清则无鱼
Humorcanreducedistressandunhappiness_______________________________(通过营造欢快友好的气氛).
最新回复
(
0
)