Question

Is it true ?
1．Wearing the wrong type of glasses will do harm to your eyes .
This is not true for adults , although incorrect glasses may not be good for children under 10 . Ready-made glasses , and not wearing when you should , won’ t do harm to your eyes , but you may see better with glasses that are specially made for you .
2．Watching too much television is bad for you eyes .
This is not true. People with easily affected eyes may find they get red and aching from staring at a fixed distance for long periods , but there won’ t be any lasting effects .
3. Carrots will help you see in the dark. Carrots are rich in beta-carotene, which the body can change into vitamin A, too little of which can cause night blindness. However , people in most countries don’ t need to worry about vitamin A deficiency（缺乏）, night blindness is more likely to be connected with another vision problem .
小题1:According to the passage , which of the following is TRUE ?
A．Ready-made glasses will do harm to one’s eyes.
B．Wearing the wrong glasses may do harm to children’s eyes.
C．The human body is unable to change beta-carotene into vitamin A.
D．Watching less television may do harm to children’s eyes.
小题2:Night blindness is most likely caused by _____ .

A．staring for long periods

B．too much beta-carotene

C．not enough vitamin A

D．vision problems

小题3:According to the article , eye problems can be corrected by _____ .

A．wearing specially-made glasses

B．performing eye exercises

C．cutting back on television

D．eating more carrots

小题4:Watching too much television can cause _____ .

A．night blindness

B．lasting eye problems

C．a number of vision problems

D．eye trouble for a limited time

小题5:The main purpose of this article is to _____ .

A．tell people of the importance of their eyes

B．tell people how to protect their eyes

C．tell people to have more carrots

D．tell people something more about their eyes

Answer 1

小题1:B
小题2:D
小题3:A
小题4:D
小题5:D

试题分析：这篇短文主要通过求证的方式解答了佩戴不对型的眼镜、过多的看电视不会对眼睛造成伤害；胡萝卜素也未必能帮助你在黑暗中看清事物。
小题1:细节理解题。根据短文 incorrect glasses may not be good for children under 10 的描述可知，佩戴眼镜不当回对孩子的眼睛有害。故应选B。
小题2:细节理解题。根据短文night blindness is more likely to be connected with another vision problem 的描述可知，夜盲症可能是由视力问题引起的。故选D。
小题3:细节理解题。根据短文 you may see better with glasses that are specially made for you 的描述可知，特制的眼镜可以帮助改善视力。故选A。
小题4:细节理解题。根据短文People with easily affected eyes may find they get red and aching from staring at a fixed distance for long periods , but there won’ t be any lasting effects的描述可知，过多的看电视会在有限的时间内导致眼睛问题。故选D。
小题5:细节理解题。联系上下文可知，这篇短文主要通过解答佩戴不对型的眼镜、过多的看电视不会对眼睛造成伤害；以及胡萝卜素也未必能帮助你在黑暗中看清事物等问题，告诉人们更多关于眼睛的知识。故选D。