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
2011-04-11
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
distant
解析
近视孩童看不清楚远的东西,而不是近的东西,故将close(近)改为distant(远)。
转载请注明原文地址:https://kaotiyun.com/show/6VYO777K
0
专业英语八级
相关试题推荐
Youshouldnotfearspidersthankstotheirpoison.Ofallthespidersin【M1】______NorthAmerica,onlyonekindisreallyda
AboutWetlandsintheU.S.A.Peopleenjoyafamoussoup(SHE-CRABSOUP)inNorthCarolinabecausethedaysoftheregionalso
Beforeconsideringthisquestionitisinterestingtoreviewbrieflytheevolutionofthe【M1】______
Wemayhearchildrensay"whathewants?".Thisisanexampleof______.
DreiserisgenerallyregardedasthemostsignificantAmericanwriteroftheschoolknownas______.
Maslow’sHierarchyofNeedsAbrahamMaslowhasdevelopedafamoustheoryofhumanneeds,whichcanbearrangedinorderofim
Naturewaswrittenby______.
______isthebasicunitofresearchinMorphology.
Intheliteratureofsociolinguistics,______referstoagroupofinstitutionalizedsocialsituationstypicallyconstrainedby
随机试题
男性,43岁,近来每日清晨醒来时自觉心前区不适,胸骨后闷痛,心电图无异常,也未发现明显冠状动脉硬化块,诊断为变异型心绞痛。上述药物中,最不宜选用该药物的原因是该药可导致冠状动脉痉挛加重,其机制是该药
“外湿”最常见的突出表现是
当发现建设工程实际投资已经超过计划投资之后,为了投资控制,应( )。
某公司高档写字楼工程,总建筑面积28000m2,20层现浇钢筋混凝土框架结构,施工中发生如下事件。事件一:在低层钢筋下料时,采用1~2m的钢筋用闪光对焊,接长至6m使用。事件二:为加快模板及支撑的周转,项目经理要求现场浇筑混凝土时,多做两组
国有企业改制为股份公司时,如果评估增值部分已按规定折成股份,且评估增值部分不再缴纳所得税。计提固定资产折旧时,在下列各项中应作为折旧基数的是()。
工人:人工()
在结构化方法中,用数据流程图(DFd)作为描述工具的软件开发阶段是()。
MarcoPolocametoChina
HowoldwasJohnnywhenhefirstenteredhighschool?
TipsforPickingCharitiesinGift-givingSeasonAscashregistersringandshoppingbagssag(下垂),somechoosenottogivey
最新回复
(
0
)