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11.They exercise at__________three times a day.(  )
A.littleB.lessC.leastD.few

分析 他们每天至少锻炼三次.

解答 答案:C.考查形容词词义辨析.句意:他们每天至少锻炼三次.little、few都是很少、几乎没有的意思,little修饰不可数名词.few修饰可数名词复数.less较少的.at least至少,是固定词组.根据题干前边有at,可知应该用at least.句意为他们每天至少锻炼三次.故选C.

点评 理解各个选项的含义,及其用法的区别,根据具体内容作答.

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