It's necessary for usto understand the importance of health care．题目和参考答案——青夏教育精英家教网——

题目内容

11．It's necessary for usto understand （understand） the importance of health care．

分析 --对于我们来说，明白卫生保健的重要性是必须的．

解答 to understand 不定式短语作主语时，经常用it作形式主语，而把真正的动词不定式短语放在句子的后面，常见的结构是：It is+adj．for sb．to do sth．

点评要分析出是结构It is+adj．for sb．to do sth．

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