首页
登录
职称英语
Children today spend more time stare at computer and (1)______TV screens bo
Children today spend more time stare at computer and (1)______TV screens bo
游客
2023-12-13
61
管理
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. [br]
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://tihaiku.com/zcyy/3269014.html
相关试题推荐
NewEducationalTechnology:ChallengesandPotentialI.Thecriticismofcomputer
NewEducationalTechnology:ChallengesandPotentialI.Thecriticismofcomputer
NewEducationalTechnology:ChallengesandPotentialI.Thecriticismofcomputer
NewEducationalTechnology:ChallengesandPotentialI.Thecriticismofcomputer
NewEducationalTechnology:ChallengesandPotentialI.Thecriticismofcomputer
Thechildrenknowthetaboowords,thepoliteformsofaddressduringA、Pragmatic
______meansthatitisimpossibleforchildrentoacquiresomeparticularlangu
Childrentodayspendmoretimestareatcomputerand(1)______TVscreensbo
Childrentodayspendmoretimestareatcomputerand(1)______TVscreensbo
Childrentodayspendmoretimestareatcomputerand(1)______TVscreensbo
随机试题
Whenwewantto(56)otherpeoplewhatwethink,wecandoitnotonlywith
Traditionally,universitieshavecarriedouttwomainactivities:researcha
适应障碍的患者采用心理治疗方法,治疗中要抓住哪三个环节?
设A,B为任意两个不相容的事件且P(A)>0,P(B)>0,则下列结论正确的是(
余额试算平衡的理论依据是()。A.会计恒等式 B.借贷记账法的记账规则 C.
设备工程委托招标代理的,招标代理人应当具备的条件有()。A.隶属于建设行政主
健康教育的基本内容是控制体重,当体重超过标准体重多少时,可以诊断为肥胖A.15%
能利尿通淋,清热解暑,收湿敛疮的药是( )。A.滑石 B.车前子 C.地肤
共用题干 江先生与张小姐2000年相识,并于2001年2月1日登记结婚,200
(2015年真题)房地产投资具有不可逆性的主要原因有()。A.房地产市场对市场
最新回复
(
0
)