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
Children today spend more time stare at computer and (1)______ TV screens both at school and at home. Scientific (2)______ studi
Children today spend more time stare at computer and (1)______ TV screens both at school and at home. Scientific (2)______ studi
admin
2012-12-01
66
问题
Children today spend more time stare at computer and (1)______
TV screens both at school and at home. Scientific (2)______
studies show an epidemic of myopia (also known as
nearsightedness) has struck children—and it is spreading
faster in many countries. Doctors warn that sitting too close
to a computer, especially fixes your eyes at a computer or (3)______
TV screen from close range, increases the risk of myopia.
The cause of myopia is difficult to explain in simple
terms. While some say sitting near computers and TV
screens is one of the reasons, others say children born to
nearsighted parent/parents are vulnerable. (4)______
Can genes or the environment, or a combination of two (5)______
explain the growing prevalence of myopia across many
countries? How can parents understand what causes myopia
and the risks it poses to their children’s eyesight?
Children suffering from myopia have trouble seeing
close objects clearly. The eyeball is thought to become (6) ______
longer, because of which less effort is needed to see up
close. Moreover, the elongated eye can no longer focus on (7)______
distant objects.
Symptoms of myopia are rarely noticed in early (8)______
childhood. Myopic children must hold books very close to (9)______
their face or may not be able to read the writing on the
blackboard in school. They may squint and complain of (10)______
head and eyestrain.
选项
答案
at
解析
at school表示“在学校”;at home表示“在家里”。英语中,后文如果出现与前文相同的内容,只要不会产生歧义,就进行省略,此处介词at是相同的,删去。
转载请注明原文地址:https://kaotiyun.com/show/UmaO777K
0
专业英语八级
相关试题推荐
SiliconValleyisamagnettowhichnumeroustalentedengineers,scientistsandentrepreneursfromoverseasflockinsearchoff
Atpresentsomepeopleclaimthatweshouldnotbelievejournalistsbecausewhattheysayintheirreportmightnotbetrue.Do
ThepoemIsabellawaswrittenby______.
ThecurrencyinAustraliais______.
WhenIappearedbeforeyouonapreviousoccasion,IhadseennothingofAmericanartsavetheDoriccolumnsandCorinthianchim
TheCooperativePrinciplewasproposedby
ComingHome:LifeAfterStudyingAbroadManyreturneeswhohavestudiedabroadmaysufferre-entrycultureshockwhentheygo
Threeweeksago,astorywepublishedputusinthemiddleofacontroversy.Itwashardlythefirsttimethathashappened,but
HowtoConquerPublicSpeakingFearⅠ.IntroductionA.Publicspeaking—acommonsourceofstressforeveryoneB.Thetru
______isregardedasthe"fatherofmodernlinguistics".
随机试题
固溶强化的基本原因是()。
休克的典型表现包括()
24岁,C2P1,孕30周,阴道流血3天,增多2小时,急诊入院,查血压12.0/8.0kPa(90/60mmHg),脉搏:112次/分,宫底剑突下三横指,臀先露,LSA,胎心:136次/分,有规则宫缩。为进一步确诊,首无下列哪项检查
如果两个偏振片堆叠在一起,且偏振化方向之间夹角呈60°,假设二者对光无吸收,光强为I0的自然光垂直入射在偏振片上,则出射光强为:
某面值为100元,10年期票面利率为10%的债券,每年付息一次,假设必要报酬率为13%,该债券的价格应为()元。
按照国际标准,我国一般把()岁的人称为低龄老年人。
阅读下列材料,回答问题。一小学某班,有一伙“小捣蛋”爱玩足球。为了玩球和看球赛,常影响学习,有时还迟到、旷课,甚至几次为了抢球和争夺场地,与别班同学发生冲突。针对这一问题,班主任组织这些“小捣蛋”成立了一个球队,选了队长,并制定了队规。此后,每天组织
政务微博虽然只是网络问政的一个窗口,但它____着执政为民的决心与努力。近一年来,人们对政务微博有了更高的____,不只希望政府机构开微博,更盼望政务微博能带来更多的变化,特别是在加强与公众沟通、回应公众诉求上有更大____。依次填入画横线部分最恰当的一项
Theresultsareas______;FirstwasSweden,thenGermany,thenIreland.
A、Afamilywithhighereducation.B、Anunmarriedcollegegraduate.C、Alawyerknownfarandwide.D、Afamilywithloweducation.
最新回复
(
0
)