题目内容
7．直到老师跟他们说了他们才明白保护湿地的重要性．They didn'tunderstand the importance of the wetlands until the teacher told them．
分析 understand the importance of the wetlands．
解答 答案：understand the importance of the wetlands．
首先通过中英文句子的比对，可知英文句子中缺少"明白保护湿地的重要性"的表达．这里表示明白一般用understand表示，而某某的重要性一般说the importance of，湿地是the wetlands，故答案为：understand the importance of the wetlands．
点评 做这类题型，首先根据所给汉语明确句子所要考查的单词或短语的拼写，再结合相关语法知识对单词或短语做出形式上的变化．
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