1．Some researchers believe thatartificial（人造的） sweeteners may do harm to people's health．

分析 一些研究人員相信人工甜味劑也許對人們的健康有害．

解答 答案是artificial．本題考查語境中選用恰當(dāng)?shù)脑~或短語；artificial adj．人工的；虛假的；artificial sweeteners 人工甜味劑；故答案是artificial．

點評 翻譯填空要在理解句子的結(jié)構(gòu)和含義的基礎(chǔ)上根據(jù)漢語意思選擇恰當(dāng)?shù)脑~、短語或句型；同時注意所選詞的形式變化．

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