初二英语下册Unit5单元随堂练习题(有答案)

编辑:

2011-10-13

VIII.阅读理解。(20分)

A

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.

Watching too much television is bad for your 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.

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. 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.

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

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

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

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

B

Schools and parents in Shenzhen City have been asked to take better care of children’s eyesight as 45 percent of them were found to be shortsighted. Too much reading, poor lighting and too much TV are blamed(责备). Of the city’s high school graduates(毕业生) who applied to study at colleges this summer, two thirds had to have their choices limited because of poor eyesight. Shenzhen Special Zone Daily said.

1. The purpose of this passage is to_________.

A. criticize(批评) children who are shortsighted.

B. blame parents and schools for children’s being shortsighted.

C. ask the high school graduates to pay attention to their eyesight.

D. draw people’s special attention to eye hygiene(卫生).

2. Only_______ of the children in Shenzhen City have good eyesight.

A. 45 percent B. less than half C. 55 percent D. two thirds

3. Generally speaking, high school students have______ eyesight than primary school students.

A. poorer B. better C. brighter D. good

4. Because of being shortsighted many school graduates_______.

A. weren’t allowed to enter college B. couldn’t graduate from high school

C. couldn’t choose to study what they liked best D. lost their limited time

5. In order to take care of eyes, children shouldn’t_______.

A. read books B. watch TV C. make their eyes too tired D. see things far away

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