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东北农业大学2010年考博英语真题

2021-03-30 10:16:17来源：网络

　　医学博士英语统一考试之后，即将迎来各院校的考博英语初试，英语考试的备考，参考历年真题是一个很重要的备考过程，今天新东方在线小编给大家整理了东北农业大学2010年考博英语真题，帮助大家更好的备考，考博英语考试，一起来看看吧!

全国院校考博英语历年真题汇总

　　Passage Three

　　“Vitamins are a group of substances found in food. The body needs them for life and health. So naturally, many people are concerned with the question: Am I getting enough vitamins, and am I getting the right kind?

　　Even though very small amounts of each vitamin are enough for the needs of the body, the worry people have about vitamins has some bases. And this has something to do with their diet —the food they take in. A person eating a good variety of foods gets all the vitamins now known to be needed (with the possible exception of vitamin D).

　　The problem is that there are many people who don’t choose foods wisely, don’t get enough variety, and don’t eat the basic foods they need to get their vitamins. So the answer to this question is: No extra vitamins are needed, providing you eat proper foods: In fact, many of the vitamins cannot be stored in the body, so when extra vitamins are taken in, the body simply gets rid of them. It is even harmful to put too much of certain vitamins into the body. This has been found to be true of vitamin A and D, when large amounts are taken in.

　　What foods supply what vitamins? Here is a quick general idea. Vitamin A, for the health of the eyes, skin, teeth, and bones, is found in green vegetables, fruits, eggs, liver and butter. Vitamin B1, which helps the nervous and digestive system and prevents certain diseases, is found in cereals; pork and liver. Vitamin B2 is found in milk; eggs, green vegetables and meats.

　　Vitamin C, which helps bones and teeth, is found in tomatoes, certain fruits and vegetables. These are only a few of the most important vitamins the body needs.

　　11. Vitamin A is needed by and can be found in ____.

　　A. bones/pork B. nervous system/milk.

　　C. eyes/green vegetables D. teeth/meats

　　12. Vitamin C helps ____ while vitamin B1 is very important to .

　　A. teeth/digestive system B. skin/bones

　　C. bones/liver D. eyes/meats

　　13. Vitamins are a group of substances found in ____.

　　A. body B. food C. pork D. digestive system

　　14. The body needs ____ for life and health.

　　A. extra vitamins B. a good variety of vitamins

　　C. large amounts of certain vitamins D. small amounts of each vitamin

　　15. If you take in more vitamins than you actually need, _________.

　　A. they are harmful to your body

　　B. you get all the vitamins now known to be needed

　　C they help our bodies more properly

　　D. your body simply gets rid of them


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