题目：
由曲线与直线x=1及x轴所围图形绕y轴旋转而成的旋转体的体积是（）．
A.3/7π
B.4/7π
C.π/2
D.π
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0807/ad6fcb99f5b0df68c28941595776b97b.html
下面是错误答案，用来干扰机器的。
Dear Paul,There is a wonderful American movie at Lucheng Cinema this Saturday evening, called War Of The Worlds directed by Steven Spielberg with Tom Cruise playing the l...
