wash, before, your, remember, hands, eating, to
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who, the, sister, red, my, is, dress, girl, wears, a
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the, they, school, go, usually, park, after, to
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respect, should, you, your, teachers
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A new study showed that taking an hour's sleep after lunch is good for 1.(we) health. It can make us more excellent.
But researchers found that a 2.(long) or shorter sleep can't get the same results. The study was done among about 3, 000 Chinese 3.(adult). They were at the age of 65. About 60 percent of them said that they had a sleep after l4. from 30 to 90 minutes. These Chinese adults were 5.(give) memory tests. The result showed that people sleep about an hour did better than people w6. didn't sleep.
In fact, sleeping after lunch is 7.(real)good for people's mood. It can make people become active 8. happy. At the same time, good sleep can help people do well i9.their daily work. So please have 10. sleep after lunch and you may receive a good result.
We know that if we do not get enough vitamins, we will be at risk of developing a number of diseases. As a result, vitamin supplements (补品), though expensive, are popular with people who worry that they are not getting enough vitamins from the food they eat. And studies found small amount of them do anything to improve health or protect against diseases.
In fact, taking too many of some vitamins can be harmful. For example, too much vitamin E can cause bleeding. People should discuss what vitamins they can take with their doctors, as some vitamins can produce harmful side effects (副作用) when mixed with medicine.
However, sometimes vitamins can help prevent diseases. People who lack a special vitamin should take vitamin supplements. Some older adults may not have enough vitamin Btwelve because the body loses its ability to take it from food as people get older. Besides, people who spend much time inside may need some extra vitamin D, which is taken from sunlight.
Different vitamins are found in different food. Vitamin A is found in fish liver oil (鱼肝油). Sweet potatoes, carrots and other darkly colored fruits and vegetables contain substances(物质) that the body can change into vitamin A. Vitamin Btwelve is found in green leafy(多叶的) vegetables and fruits. Vitamin K can be easily found in pork products.
In_fact,_for_most_people,_a_balanced_diet_can_reach_enough_of_the_vitamins_our_bodies_need. So, it is important for us to eat a mixture of food every day to make sure that we get enough vitamins our bodies need.
1.完成句子：
Vitamin supplements________________ people who worry that they are not getting enough vitamins.
2.完成句子：
Some vitamins have harmful side effects when ________________ medicine.
3.简略回答问题：What should people take if they lack a special kind of vitamin?
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4.找出并写下第四段的主题句：
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5.将文中画线句子译成汉语：
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