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
0
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
WhydidNASAsendNewHorizonsspacecrafttoPluto?[br][originaltext]Inthis
Theword"minute"inthefirstsentencemostprobablymeans______.[br]Mancan
IonceattendedaDowningStreetreceptionwhereTonyBlairinvitedquestions
Therearetwotypesofpeopleintheworld.Althoughtheyhave【D1】______of
Droppingoutofuniversitytolaunchastart-upisoldhat.ThetwistwithJ
PopularBritishauthor,CharlesDickens′
临床糖尿病肾病最早期的表现是A.高血压 B.低蛋白血症 C.水肿 D.血肌
说德语的人方向感和次序感更强,说英语的人则更重视动作本身。根据英国最新研究结果,
患者精神恍惚,心神不安,悲忧善哭,多疑易惊,时时欠伸,治宜选用( )。A.归脾
撰写疫苗接种反应调查报告
最新回复
(
0
)