Air is a______(mix), whose components are of great use in the chemical industry.

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问题 Air is a______(mix), whose components are of great use in the chemical industry.

选项

答案mixture

解析 本题考查词类转换。从不定冠词a可以判断出空格处应该填名词。mix是动词,意思是“混合、融合”,其名词形式为mixture。
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本试题收录于: 英语题库普高专升本分类
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