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
54
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
usually
解析
近视的症状在孩子很小的时候容不容易发现呢?从下文的进一步解释可以发现,近视的孩子总是把书放到离面孔很近的地方,或者看不见学校黑板上的文字。因此,经常可以在早期发现近视症状,而不是发现的几率很低。故将rarely(难得地)改为usually(经常地)。
转载请注明原文地址:http://tihaiku.com/zcyy/3883578.html
相关试题推荐
Thechildrenknowthetaboowords,thepoliteformsofaddressduringA、Pragmatic
Aroundtheageoftwo,childrenbegintoproducetwo-wordutterancessuchas"No
______meansthatitisimpossibleforchildrentoacquiresomeparticularlangu
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
随机试题
WhydoMostvisitorscometoCambridge?[br]WhatkindofexerciseburnstheMost
Inregardtothoseancientemperors,weneedtoassesstheminthe________oft
【B1】[br]【B9】A、enlargedB、increasedC、intensifiedD、expandedC词义辨析题。由but转折,推出结论
Rumorshaveswirledforyearsaboutthemysticalphone,whichFacebookintro
卵巢功能良好且性激素分泌正常的闭经,属于A.子宫性闭经 B.卵巢性闭经 C.
产后4天的产褥妇女,有下列主诉,哪项是不正常的产褥现象A.阴道流血量少于月经
下列是人教版普通高中数学教科书必修5的内容,据此回答下列问题。 问题:
Thechangeinthatvillagewasmiraculou
对庆大霉素不良反应描述不正确的是A.不可逆的肾毒性B.耳毒性以前庭神经损害为主C
(2018年真题)根据《期货交易管理条例》,期货公司的交易软件、结算软件,应当满
最新回复
(
0
)