资料:When we see well,we do not think abou

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问题 资料: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 seems blurry(=unclear).Many people who do a lot of work,such as writing,reading and sewing become near-sighted.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. This,too,can be corrected by glasses. Some people’s eyes become cloudy because of cataracts. 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. To prove this to yourself,look at an object out of one eye;Then look at the same object out of your other eye. You will find the object’s relation to the background 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 word suffer in the third paragraph probably means______.A.feel painB.imagineC.are affected withD.experience

选项 A.feel pain
B.imagine
C.are affected with
D.experience

答案 A

解析 本题考查的是推理判断。
【关键词】suffer;in the third paragraph;mean
【主题句】第3自然段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. 远视的人遭遇了相反的问题。他们可以看到很远的东西,但是他们看书有困难,除非保持一定的距离,否则很难阅读。
【解析】本题的问题是“第三段中带下划线的词suffer可能意味着_______”A选项“感到痛苦”;B选项“想象”;C选项“受到影响”;D选项“经历,经验”。根据主题句,远视的人遭遇着相反的问题,故A选项正确。
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