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 .

1.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

2.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

3.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

4.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.D

2.A

3.D

4.D

【解析】

试题分析：短文大意：这是真的吗？眼镜的类型错误会损害你的眼睛。看电视看得太多对你的眼睛不好。胡萝卜能帮助你在黑暗中看到。本文旨在告诉人们一些有关眼睛的知识。

1.细节理解题。根据短文最后一句night blindness is more likely to be connected with another vision problem .可知该选D。

2.细节理解题。根据短文第三四五行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 .可知该选A。

3.细节理解题。根据短文第七八行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可知该选D。

4.主旨大意题。本文旨在告诉人们一些有关眼睛的知识，所以该选D。

考点：科普类阅读。