圆柱的高扩大2倍,底面半径不变,圆柱的体积就扩大( ) A.2倍 B.8倍 C.4倍D 发布时间:2017-06-27 19:02 │ 来源:www.tikuol.com 题型:选择题 问题: 圆柱的高扩大2倍,底面半径不变,圆柱的体积就扩大( )A.2倍B.8倍C.4倍D.16倍
题型:选择题 — I beg your pardon?— Your mind must be _____ when I was speaking, wasn't it? [ ]A. wandering B. wondering C. walking D. speaking 查看答案