2. 考研
  3. Today our knowledge of food and what it does for our bodies are far more advanced than that of the old times. Now we know about

Today our knowledge of food and what it does for our bodies are far more advanced than that of the old times. Now we know about

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问题     Today our knowledge of food and what it does for our bodies are far more advanced than that of the old times. Now we know about vitamins and how each kind of vitamin helps in the growth of a particular, the food that we eat will take care of our body and so there is no need to take any kinds of vitamins unless our doctor tells us that our bodies are short of something which can be supplied by them.
    Generally speaking, everything we eat does some good to our body. But if we eat too much of one kind of food and pay too little attention to others, we may have too much of one kind and not enough of others. Then we may be in trouble.
    We are often told that we must eat some meat at each meal in order to get the necessary proteins. That is only partly true, for proteins are not found only in meat. We can also get them from some vegetables.
    The best advice about what to eat is that we should eat all kinds of food but never too much of any.
The main topic of this passage is________.
选项 A、food and health
B、vitamins and proteins
C、meat, vegetables and proteins
D、food and vitamins
答案D
解析 这是一道提炼主旨的题型。题干要求：我们给这篇短文找合适的主题，通读全文，我们不难发现文章多处提及到food和vitamins。考生容易倾向于选项A，是因为文章也涉及到health，要了解到作者提及健康也是主要为了说明食物和维他命对人健康的重要性。所以正确答案为选项D。
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