问题补充：
Even though very small amounts of each vitamin are enough for the needs of the body, the worry people have about vitamins has some reasons. And this has to do with their 1_--- the food they take in. A person eating a good variety of food get all the vitamins now 2 (know) to be needed.
The problem is that there are many people who don’t 3_ foods wisely. So the answer 4 this question is: No extra 5_ are needed, 6 you eat proper foods. In fact, many of the vitamins cannot be 7_（store） in the body, so when extra vitamins are taken in, the body simply gets rid of them. It is even 8 _ (harm) to put too much of certain vitamins into the body. This has been found to be 9(truth) of vitamin A and D, when 10 _ amounts are taken in.1.diet 2 . known 3. choose 4. to 5. vitamins
答案：
(答案→)1.diet 2 . known 3. choose 4. to 5. vitamins
解析：无
