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  3. What have scientists learned a great deal about? What can you infer from the passage?

What have scientists learned a great deal about? What can you infer from the passage?

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问题 What have scientists learned a great deal about?
What can you infer from the passage?
选项 A、How to feed the huge world population is the most important concern of all scientists.
B、The world is short of food and many people are going hungry.
C、Human beings are saving for more food to feed their young.
D、The scientists’ findings will help people everywhere to select a healthy diet.
答案D
解析 本题为概括题。本文讲述的是有关科学家对人类饮食的研究，即哪些食物有助于人类健康。故本题答案为D。
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本试题收录于： 大学英语三级B级题库大学英语三级分类
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