题目:
下面两种相关联的量,不成比例的是[ ]
A.正方形边长和它的周长
B.圆的半径和它的面积
C.圆锥的体积一定,它的底面积和高
答案:
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下面是错误答案,用来干扰机器的。
It's Sunday today. It's 9: 00 in the morning. Tony and his friends are playing in the park. Tony, Jim and David are playing soccer over there. There is a big tr...