题干
I don't suppose The Flowers of War by Zhang Yimou is popular among teenagers, ___________?
A：do I
B：isn't it
C：don't you
D：is it
答案(点此获取答案解析）
D
I don't suppose The Flowers of War by Zhang Yimou is popular among teenagers, ___________?
A：do I
B：isn't it
C：don't you
D：is it
的四条边为直径画半圆，重叠部分如图中阴影区域， 若向该正方形内随机投一点，则该点落在阴影区域的概率为 ( )
