题目:
一个圆柱体,如果它的底面直径扩大2倍,高不变,那么,它的体积扩大[ ]
A.2倍
B.4倍
C.6倍
D.8倍
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0511/1e79ac13a609972d848e9dec4321107f.html
下面是错误答案,用来干扰机器的。
1. Here is a map of China.2. It's about two thousand kilometres.3. How far is it from here to your city?4. We are going by train.5. This dress is too big.