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1、专题13 加强用眼卫生 预防近视发生备战2022-2023年中考英语阅读理解时文爆点专题训练A（2022重庆綦江校联考模拟预测）There are always lots of strange stories about protecting your eyes. For example, you might have been told that youd go blind from reading in the dark, but you could make up for it by eating carrots. This is just one of the wrong ideas
2、you may have heard of. Below teens has picked out scientific explanations for three mistakes the people often make about eyes. Lets take a look. Can eating carrots improve your eyesight?Carrots are rich in Vitamin A, which is important and necessary for your eyes general health. Vitamin A helps eyes
3、 to make light into signals, allowing people to see in low light conditions. However, eating more carrots doesnt help you see better. Some carrots will help, but a large number of carrots will not give you superhuman vision or allow you to get rid of your glasses. If your parents have bad eyesight,
4、will you have bad eyesight, too?Myopia （近视）can be passed from parents to children. A study by the Americans Optometric Association found that if both parents are myopia, there is a 33 to 60 percent chance that the child is. For children who have one parent with myopia, the chance is 23 to 40 percent
5、, and its down to 6 to 15 percent for kids with non-myopia parents. So no matter how bad your parents eyesight is _Is it true that people who are color blind cant see colors?Color blindness doesnt mean that someone cant see colors at all, like a black and white movie. It means that someone has diffi
6、culty telling some colors apart, usually green and red or blue and yellow. Color blindness is usually a condition caused by not having color cells（细胞）. If the cells dont respond（反应）in the right way to differences in wavelengths of fight, color blindness happens. There are different levels of color b
7、lindness. Some people cannot tell the difference between colors in dim（昏暗的）light, while others have difficulty in any light. In the most serious form of color blindness, everything is seen in shades of grey.1Which is the RIGHT idea about eating carrots according to the passage?AEating carrots doesnt
8、 help people see better at all.BPeople need to eat as many carrots as possible.CEating carrots is good for eyes, but people dont need to eat a lot of them.DEating a lot carrots is only good for those who work in low light condition.2Which of the following can be put in the _?Ayou must be myopia.Byou
9、 still have a chance having good eyesight.Cyou must have a good eyesight.Dyou should protect your eyes.3According to the passage, how does the writer describe color blindness?AMost people who are color blind can only see grey.BNot having color cells can cause color blindness.CThose who cant tell gre
10、en from red are not really color blindness.DMost people who are color blind can only see black and white.4Whats the best title of this passage?AMisunderstanding about EyesBAdvice on Protecting Your EyesCWays to Improve Your VisionDReasons for Color BlindnessB（2022山东滨州统考一模）A new report predicts that
11、by 2050, half of the worlds population (around 4.8 billion people) will be short-sighted. The medical name for this is myopia (近视). It is also called nearsightedness.When we have myopia, we cant see the things far away from us. It is true that more and more people have myopia. Its a bad situation. T
12、oday, almost 90 percent of young Chinese people are near-sighted. Some experts make a prediction. In their opinion, there will be seven times more people with myopia in 2050 than there were in the year 2000.The researchers say that the number of people with myopia will increase because of different
13、reasons. Looking at computer screens and mobile phones may be the major reason. The increase may have something to do with lifestyle changes. Now, people spend less time outdoors. A science journalist says that spending more time outdoors in early childhood can reduce the chances of getting myopia.
14、A researcher once said, “You can spend time on computers and screens, but remember to spend two hours outdoors every day. That is good for your eyesight.”5In China, about _ of young people are not near-sighted.A5%B10%C90%D95%6More and more people have myopia probably because of _.AcomputersBlifestyl
15、e changesCweather changesDeye diseases7The underlined word “reduce” in Paragraph 3 means “_” in Chinese.A降低B增加C失去D拥有8A researcher advised us to spend _ outdoors every day.Ahalf an hourBan hourCtwo hoursDthree hours9Whats the best title for the passage?AA Good PredictionBLifestyle ChangesCMyopia and ExerciseDThe Situation of MyopiaC（2022安徽合肥统考二模）Young people spending hours on screens means half the world may need glasses within 30 years. Phone and computer screens are to blame (负责) for the rising risk of shortsightedness (近视) among children and young adul
