首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Children today spend more time stare at computer and 【1】______ TV screens both at school and at home. Scientific 【2】______ studi
Children today spend more time stare at computer and 【1】______ TV screens both at school and at home. Scientific 【2】______ studi
admin
2011-04-11
62
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.
选项
答案
distant
解析
近视孩童看不清楚远的东西,而不是近的东西,故将close(近)改为distant(远)。
转载请注明原文地址:https://www.kaotiyun.com/show/6VYO777K
0
专业英语八级
相关试题推荐
A、Therewere13,000peopleneededtobemoved.B、Thehurricanecamein1988killed300people.C、Itisthelargestresortinthe
AboutWetlandsintheU.S.A.Peopleenjoyafamoussoup(SHE-CRABSOUP)inNorthCarolinabecausethedaysoftheregionalso
AboutWetlandsintheU.S.A.Peopleenjoyafamoussoup(SHE-CRABSOUP)inNorthCarolinabecausethedaysoftheregionalso
DangersofUsingComputerTerminalsUndoubtedly,thecomputerhasgreatlyincreasedhumanbeing’sworkingcapacityandintel
WHO,workingcloselywithitsMemberStates,otherUnitedNationsagenciesandnongovernmentalorganizations,isfocusingonma
IrememberMaxverywell.HehadaPh.D.fromPrinceton.HewasaChaucerian.Hewasbrilliant(eloquent,andprofessorial.He
Therearetwomainmethodsoforganizinggovernments—theunitarysystemandthefederalsystem.Theunitarystateplacesmost
Languagecanbeusedtorefertocontextsremovedfromtheimmediatesituationsofthespeaker.Thisiswhatismeantby______.
TheCalloftheWildisoneofthemasterpiecesof______.
还有一件更显著的事情,要算是牝鸡们的母爱。牝鸡孵化鸡雏的时候,平常是那么驯善的家禽,立刻要变成一些鸷鸟。它们保护自己的幼儿是一刻也不肯懈怠的。两只眼睛好像燃着的两团烈火。脖子时常要竖着向四方倾听。全身的神经好像紧张得要断裂一样。这样加紧的防御,有时还要变为
随机试题
《玩偶之家》反映了女主人公娜拉的()
鼓膜因外伤而穿孔,为了预防继发感染,可用抗生素滴耳。
麻疹发病主要受病的脏腑是
A、地高辛B、阿托品C、硝普钠D、卡托普利E、洋地黄毒苷用于治疗充血性心力衰竭和高血压病的药物是
2006年,某民营企业为回报社会,结合自身长远发展的需要,拟在xx省xx乡内修建一条无偿使用的普通公路,其计划用地全部位于现行土地利用总体规划确定的建设用地范围外。后经协商,该企业与另一私营企业达成协议,联合投资。整个项目需占用该乡共计9个村的集体土地37
材料:曾经有人做过这样的排名,成功必须的三大要素:排名第一的就是健康,没有一个健康的体魄那么其他的一切都是空谈。而健康的体魄源于运动和培养。特别是对于正处在成长时期的青少年,通过体育课对他们的教育和锻炼,得益是很大的。学校体育是国民体育的基础,是
班主任建立良好集体可以采取的基本手段和方法包括()
设X1,X2,…,Xn为总体X~B(N,p)(0<P<1)的简单随机样本,则P的最大似然估计量=________.
Whospentalotfortheweddingaccordingtotheconversation?
ThanksgivingisAmerica’snationalholidayforgivingthankstoGod.ThanksgivingDayhasaspecial【C1】______forAmericansbecau
最新回复
(
0
)