5．Cutting down too many trees will break the balance of nature．

分析 砍伐太多的樹會打破自然界的平衡．

解答 答案是balance；本題考查語境中選用適當(dāng)?shù)脑~；balance n．/vt．平衡；keep the balance of 保持…的平衡；break the balance of 打破…的平衡； 根據(jù)語境，砍伐太多的樹會"打破自然界的平衡"，故答案是balance．

點評 首字母填空必須在對語境整體理解的基礎(chǔ)上抓住指向答案的關(guān)鍵線索、固定句型或搭配等，結(jié)合首字母選用恰當(dāng)?shù)脑~，同時注意所選詞的形式變化．

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