(B) Wearing the wrong type of glasses will do harm to your eyes. Incorrect glasses may not be good for the children under 10. You may see better with glasses that are specially made for you. Watching too much television may be bad for your eyes. This is not true for everyone. People with easily affected eyes may find they get red and achy (痛) from watching TV for long. Carrots will help you see in the dark. Carrots are rich in beta-carotene . The body can change beta-carotene into vitamin A, and too little beta-carotene can cause night blindness. However, a lot of research shows that night blindness is more likely to be connected with some other vision problems. 34 Night blindness can be caused by . A. wearing incorrect glasses B. watching TV for long C. too little beta-carotene D. too much vitamin A 35 Watching TV for a long time may cause . A. night blindness B. easily affected eyes C. no eye trouble for some people D. vision problems for everyone 36 The purpose of this passage is to tell people . A. to have more carrots B. how to protect their eyes C. of the importance of their eyes D. something more about their eyes 37 According to the passage, which of the following is TRUE? A. Eating too many carrots can cause night blindness. B. Watching too much TV may do harm to everyone. C. Wearing wrong glasses may do harm to children's eyes. D. The human body is unable to change beta-carotene into vitamin 查看更多

 

题目列表(包括答案和解析)

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

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