题目

下列四组线段中,不能成比例的是() A . a=3,b=6,c=2,d=4 B . a=1,b=3,c=2,d=6 C . a=4,b=6,c=5,d=10 D . a=2,b=5,c=4,d=10 答案:CShe likes _______.A. playing the football B. playing footballC. to play footballs D. plays football
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