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  3. When we see well, we do not think about our eyes very often. It is only when we cannot see perfectly that we realize how importa

When we see well, we do not think about our eyes very often. It is only when we cannot see perfectly that we realize how importa

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问题     When we see well, we do not think about our eyes very often. It is only when we cannot see perfectly that we realize how important our eyes are.
    People who are near-sighted can only see things that are very close to their eyes.’ Everything else is not so clear. Many people who do a lot of close work, such as writing, reading and sewing, become near sighted. Then they have to wear glasses in order to see distant (远处的) things clearly.
    People who are far-sighted suffer from just the opposite problem. They can see things that are far away, but they have difficulty in reading a book unless they hold it at arm’s length. If they want to do much reading, they must get glasses, too.
    Other people do not see clearly because their eyes are not exactly the right shape. They have what is called astigmatism (散光). This, too, can be corrected by glasses. Some people’s eyes become cloudy because of cataracts (白内障). Long ago these people often became blind. Now, however, it is possible to operate on the cataracts and remove them."
    Having two good eyes is important for judging distances. Each eye sees things from a slightly different angle (角度). To prove this to yourself, look at an object out of one eye; then look at the same object out of the other eye. You will find the object’s relation to the background (背景) and other things around it has changed. The difference between these two different eye views helps us to judge how far away an object is. People who have only one eye cannot judge distance as people with two eyes.
The underlined phrase "suffer from" most probably means ______.
选项 A、experience
B、recognize
C、feel
D、imagine
答案A
解析 此考题为词汇题。该短语出现在People who are far-sighted suffer from just the opposite problem，根据句子上下文，我们可以得出作者的意思是“远视的人所面临的是相反的问题”。对比4个选项，A应为正确答案。
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