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
A、Radiation from the terminal. B、Stress in working hours. C、Without adequate eye-drops. D、Less or little moisture in the eyes. D
A、Radiation from the terminal. B、Stress in working hours. C、Without adequate eye-drops. D、Less or little moisture in the eyes. D
admin
2011-03-01
49
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://kaotiyun.com/show/1fo7777K
0
大学英语六级
相关试题推荐
A、BringDonthehomeworkthatwasduetoday.B、TeachDon’sclasswhilehe’sabsent.C、GiveProfessorWebsterthekeytoDon’sof
Manycountriesexistinthisworld.Howtodealwiththeproblemsamongthem?Socomeswiththeinternationalcommunities.Amaj
A、Animals’extraordinaryabilitytopredictweather.B、Someoldwaysofweatherpredicting.C、Thewisdomofancientpeople.D、Wh
A、Becausehewantedtomeetthewoman’sparents.B、BecausehegoestoabeachhouseeachAugust.C、Becausehewon’tbeabletot
Wildducksandothermigratory(迁移的)birdscouldbeimportantcarriersofdeadlybirdflu,researcherssay.Evenso,theinfecti
A、Itisbasedonalotofresearch.B、Itcanbefinishedinafewweekstime.C、Ithasdrawncriticismfromlotsofpeople.D、It
A、Georgehimself.B、George’swife.C、George’sfather.D、George’sfather-in-law.D对话中男士:说原本希望今天会遇到George。女士说George原本打算来(Georgewa
A、Tosavethemoneyforalongtime.B、Tobuyanewcar.C、Topurchaseausedcar.D、Togetasecondcar.B综合推断题。男士认为从长远看买新车省钱,所
A、Bibs.B、Cardboardmilkcontainers.C、Spaceships.D、Rockets.C细节辨认题。文章接着举出例子Cardboardmilkcontainersandrockets以及bibs,paper
Scotlandisauniqueplace.IthassomeofthemostbeautifulcitiesinEurope,alivingevidenceofa【B1】______andproudpast.
随机试题
邓小平关于怎样建设社会主义问题的论述的核心是()
DNA的损伤和突变可以导致下列哪些疾病
业土委员会应当自选举产生之日起()日内,向物业所在地的街道办事处和区、县人民政府房地产行政主管部门备案。
在压力容器的工作特性中,()系指容器在正常操作时,在相应设计的压力下,壳壁或元件金属可能达到的最高或最低温度。
作为施工项目负责人的注册建造师不得同时担任两个及以上建设工程施工的项目经理,但下列选项中的()情况例外。
根据港口与航道工程合同争议的处理程序,首先应由()进行协调。
1949年10月1日的天安广场成了欢乐的海洋,第一面五星红旗送到了怀仁堂中国人民政治协商会议第一届全体会议会场。第一面五星红旗是由一家创建于山东章丘的百年老字号()绸布店制作的。
自2016年5月1日起,我国全面推开营改增试点,将建筑业、房地产业、金融业、生活服务业纳入试点范围。“营改增”指以前缴纳营业税的应税项目改成缴纳增值税,“营改增”改革的目的有:
【B1】【B7】
法律关系的客体包括()。
最新回复
(
0
)