1．Knives are made of steel．

分析 刀是由鋼制成的．

解答 答案：steel 考查首字母填空．根據(jù)句意：刀是由…制成的，應(yīng)該是鋼，用名詞steel．

點評 考查首字母填空．準確地翻譯句子、理解句子，然后根據(jù)句意及提示用合適的詞的合適形式完成句子，使句意更通順．

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