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
2024-12-29
42
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:http://tihaiku.com/zcyy/3889965.html
相关试题推荐
AscientistIntoday’ssocietywearenowseeingmorechildrenundertheage
AscientistIntoday’ssocietywearenowseeingmorechildrenundertheage
AscientistIntoday’ssocietywearenowseeingmorechildrenundertheage
AscientistIntoday’ssocietywearenowseeingmorechildrenundertheage
AscientistIntoday’ssocietywearenowseeingmorechildrenundertheage
AlanTuringandComputerscienceComputerplaysveryim
AlanTuringandComputerscienceComputerplaysveryim
AlanTuringandComputerscienceComputerplaysveryim
AlanTuringandComputerscienceComputerplaysveryim
AlanTuringandComputerscienceComputerplaysveryim
随机试题
Accordingtotheconversation,thedayisspecialbecause[br][originaltext]M:
Thereisnodoubtthateverycountryshouldgive______toenvironmentalprotect
Thetypicalpre-industrialfamilynotonlyhadagoodmanychildren,butnume
桔梗的作用是.A.润肺止咳,下气化痰 B.宣肺利咽,清肺化痰 C.宣肺利咽,
下列对酮体检测描述不正确的是A.标本应新鲜B.试验中阴性和阳性对照是获得可靠结果
Thechangeinthatvillagewasmiraculou
旋覆代赭汤和橘皮竹茹汤的组成中都含有A.生姜 B.半夏 C.人参 D.大枣
稳定蛋白质分子中α-螺旋和β-折叠的化学键是( )。A.硫键 B.肽键 C
在计算速动比率指标时,下列各项中,不属于速动资产的是( )。A.存货 B.
下列条件下的建设工程,其施工承包合同适合采用成本加酬金方式确定合同价款的有()
最新回复
(
0
)