题目内容
13．We must protect our environment．分析 我们必须保护我们的环境．
解答 答案：environment 考查首字母填空．根据句意我们必须保护…及提示e，可以用名词environment环境．
点评 考查首字母填空．根据题干准确的翻译句子，结合提示用符合句意的合适词的形式填空，完成句子．使句意更通顺．
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