Destruction of the environment is one of the most seriouschallenges we face．题目和参考答案——青夏教育精英家教网—

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4．Destruction of the environment is one of the most seriouschallenges（挑战） we face．

分析环境的毁坏是我们面对的最严重的挑战之一．

解答答案：challenges 考查翻译填空．challenge意为"挑战"，是可数名词，用在one of…之后要用复数．

点评考查翻译填空，准确地理解句子、翻译句子，然后根据句意及提示确定所填单词词性，正确写出单词完成句子，使句意更通顺．

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