首页
登录
职称英语
[originaltext] Nowadays more and more people have to spend lengthy hours bef
[originaltext] Nowadays more and more people have to spend lengthy hours bef
游客
2023-09-06
27
管理
问题
Nowadays more and more people have to spend lengthy hours before computers. Computers are almost indispensable to modern life. No one can imagine the results if the computer he uses daily would break down. (26) But computers also cause some problems. Among them is the potential harm to human bodies, especially to eyes.
Working long hours at a computer can cause eyestrain. Recently a letter to the New England Journal of Medicine provides one explanation for the problem. Japanese researchers studied some 50 office workers who spent an average of three hours a day at a terminal. (27) Since blinking keeps eyes moist-thus reducing strain-the researchers counted blinking rates under different conditions. The workers averaged 22 blinks a minute when relaxed, ten blinks a minute while reading a book and just seven a minute while reading text on a computer screen. Thus people keep the least moisture in their eyes when they are working at a computer and feel more strained. Furthermore, the computer workers also kept their eyes open wider, which meant moisture evaporated more quickly.
(28) If you work at a computer screen, close your eyes periodically. That spreads a tear film and rests your eyes. And remember to blink more often. In this way you can reduce the side effect caused by using computer to a greater extent.
26. What is the result of using computer in our daily life?
27.What is the cause of eyestrain?
28.What are those who spend long hours before computers supposed to do?
选项
A、Radiation from the terminal.
B、Stress in working hours.
C、Without adequate eye-drops.
D、Less or little moisture in the eyes.
答案
D
解析
①推断题。短文提到:“…blinking keeps eyes moist—thus reducing strain…”(眨眼使眼睛保持湿润,从而减少眼疲劳);而短文还指出,使用电脑时人们的眨眼频率仅为每分钟7次,非常低,因此眼睛的湿润度很低,由此引起眼疲劳。故D正确。②需要在听到事实细节的基础上推理作答。
转载请注明原文地址:https://tihaiku.com/zcyy/2990653.html
相关试题推荐
[originaltext]Rightuptothe19thcentury.(32)OxfordandCambridgewere
[originaltext]Watchinghismotherdrownandthenclingingtoaninnertube
[originaltext]W:IhaveheardthatyouaregoingtoCalifornianextweek.What
[originaltext]W:IhaveheardthatyouaregoingtoCalifornianextweek.What
[originaltext]W:IhaveheardthatyouaregoingtoCalifornianextweek.What
[originaltext]W:Tellmealittlebitaboutyourself,please.M:MynameisDav
[originaltext](32)Yourassignmentsthistermwillbetowritetwomajorres
[originaltext](32)Yourassignmentsthistermwillbetowritetwomajorres
[originaltext](32)Yourassignmentsthistermwillbetowritetwomajorres
[originaltext]Recently,amanwhowasalwaysingoodhealth,spentaweek
随机试题
[originaltext]M:HaveyoueverusedanyoftheservicesofferedbytheCareerS
用补码表示的8位二进制数11100000的值为十进制数()。A.-31 B.-
《公路水运工程试验检测人员信用评价标准》中的试验检测人员的信用评价采用()。A
A.Litter疝 B.腹股沟直疝 C.股疝 D.Richter疝 E.
投资决策委员会由股权投资管理机构的()等组成。 Ⅰ、主要负责人(董事长、
某皮革厂一工人剥了一只死羊的皮后,手臂先出现了丘疹,次日疹顶部出现水疱,内含金黄
保险人如果知晓保险标的危险程度显著增加,一般会选择的策略有()。 A.增加保
企业建立考评者培训制度的主要目的是()。A:使考评者了解如何消除和克服绩效考评
在集体谈判的希克斯模式中,随着罢工或关厂停产时间的延长,()。A:雇主让步曲
下面所列的四条存储容量单位之间换算表达式中,其中正确的一条是( )。A.1GB
最新回复
(
0
)