1. (2022九下·开州期中) 阅读下列材料，从A、B、C、D四个选项中选出最佳答案。

There are always lots of strange stories about protecting your eyes. For example, you might have been told that you'd 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 you may have heard of. Below teens has picked out scientific explanations for three mistakes the people often make about eyes. Let's 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 to make light into signals, allowing people to see in low light conditions. However, eating more carrots doesn't 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.

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Myopia(近视) can be passed from parents to children. A study by the American 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, and it's down to 6 to 15 percent for kids with non-myopia parents. So no matter how bad your parents' eyesight is, you still have a chance having good eyesight.

Is it true that people who are color blind can't see colors?

Color blindness doesn't mean that someone can't see colors at all, like a black and white movie. It means that someone has difficulty 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 don't respond (反应)in the right way to differences in wavelengths of light, color blindness happens. There are different levels of color blindness. 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.

1. （1） Which is the RIGHT idea about eating carrots according to the passage?

   A . Eating carrots doesn't help people see better at all. B . People need to eat as many carrots as possible. C . Eating carrots is good for eyes, but people don't need to eat a lot of them. D . Eating a lot of carrots is only good for those who work in low light condition.
3. （2） Which sentence can be put in ______?

   A . If your parents have bad eyesight, will you have bad eyesight, too? B . If your parents have bad eyesight, you will have bad eyesight, too. C . Your parents' eyesight has nothing to do with your eyesight. D . Your parents' bad eyesight must pass to you.
5. （3） According to the passage, how does the writer describe color blindness?

   A . Most people who are color blind can only see grey. B . Not having color cells can cause color blindness. C . Those who can't tell green from red are not really color blindness. D . Most people who are color blind can only see black and white.
7. （4） What's the best title of this passage?

   A . Misunderstanding about Eyes. B . Advice on Protecting Your Eyes. C . Ways to Improve Your Vision. D . Reasons for Color Blindness.