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
2023-12-15
49
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/3275407.html
相关试题推荐
Wemayhearchildrensay"whathewants?".Thisisanexampleof______.A、interfe
DangersofUsingComputerTerminalsUndoubtedly,thecompute
DangersofUsingComputerTerminalsUndoubtedly,thecompute
DangersofUsingComputerTerminalsUndoubtedly,thecompute
DangersofUsingComputerTerminalsUndoubtedly,thecompute
DangersofUsingComputerTerminalsUndoubtedly,thecompute
DangersofUsingComputerTerminalsUndoubtedly,thecompute
DangersofUsingComputerTerminalsUndoubtedly,thecompute
Inthepastfewyears,personalcomputers(PCs)havebecomebetter,stronger
Computers,andespeciallyconnectingtotheInternet,provideuniqueopportun
随机试题
TheModesofLanguageThreemodesoflanguagespeech
AsToyotaandHummerhavelearned,growingtoofastcanbeadangerousth
Itwasnotuntil______(你告诉我我才知道问题的解决方案在讨论中).youtoldmethatIknewthesolut
岗位培训主要是对职工按岗位需要进行( )。A.理论培训 B.定量培训 C.
某现浇混凝土施工段,在已批准该施工段的施工方案中,混凝土运输时间为2h,连续浇筑
下列为京剧旦角的表演艺术家有( )A.严凤英 B.尚小云 C.梅兰芳 D
A.燥苔 B.类剥苔 C.花剥苔 D.糙苔 E.地图舌舌苔干燥粗糙津液全
根据《处方管理办法》,特殊情况下需延长处方有效期的,其最长不得超过A.1天 B
划分就是把一个概念所反映的对象分为几小类来眀确概念外延的逻辑方法,也可以说是把一
A.《药品生产许可证》 B.《药品经营许可证》 C.《医疗机构执业许可证》
最新回复
(
0
)