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
2024-12-25
21
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
may
解析
情态动词must表示“必须”。语气太过强烈,用may比较吻合,表示“可能”。
转载请注明原文地址:https://tihaiku.com/zcyy/3883579.html
相关试题推荐
Aroundtheageoftwo,childrenbegintoproducetwo-wordutterancessuchas"No
Childrentodayspendmoretimestareatcomputerand(1)______TVscreensbo
Childrentodayspendmoretimestareatcomputerand(1)______TVscreensbo
Childrentodayspendmoretimestareatcomputerand(1)______TVscreensbo
Childrentodayspendmoretimestareatcomputerand(1)______TVscreensbo
Childrentodayspendmoretimestareatcomputerand(1)______TVscreensbo
Formanyafrazzledparent,bedtime—theirchildren’s,thatis—isthebestpa
Formanyafrazzledparent,bedtime—theirchildren’s,thatis—isthebestpa
Formanyafrazzledparent,bedtime—theirchildren’s,thatis—isthebestpa
Nowadays,childrenareapttospendalotoftimeplayingcomputergames.Ma
随机试题
[originaltext]M:TomisgoingtoworkintheFloridaforthesummer.W:Canhe
TheAmericaneconomicsystemisorganizedaroundabasicallyprivate-enterpr
氯丙嗪的抗精神病作用主要通过阻断_____________和__________
重4kg吊灯应固定在( )。A.吊顶饰面板上 B.次龙骨上 C.主龙骨上
以下关于验收测试的叙述中,不正确的是( )。A.验收测试由开发方主导,用户参与
Ifglobalwarminggoesonlikethis,Mal
做好食品安全工作,必须坚持预防为主、关口前移。各地、各部门要继续加强食品安全风险
2020年末全国城市公共汽电车运营线路70643条,比上年末增加4913条,运营
下列说法中正确的是()。单选A.色觉有缺陷的人一般不能说出物体的颜色 B.
国际储备中,在货币基金组织的普通账户中会员国可以自由提取使用的资产是()。A.
最新回复
(
0
)