(2013·高考陕西卷)My uncle hasn’t been able to quit smoking，but at least he has .
A. cut out
B. cut down
C. cut up
D. cut off
网友回答
A. cut out
(答案→)B. cut down
C. cut up
D. cut off
解析：选B。cut out裁剪，戒掉；cut down削减，压缩，缩减；cut up切碎，切开；cut off 切断，隔断，断绝。由语境My uncle hasn’t been able to quit smoking可知说话者的叔叔并没有“戒掉”吸烟，从后面的but at least的转折可以得知“他减少了吸烟的量”。因此该题的正确答案为B。题干的意思是：“我叔叔虽然没能戒掉吸烟，但是至少他吸得少了。”