用铜、铝、铁制成的三个质量相等的空心球，比较它们的体积，则

题干

用铜、铝、铁制成的三个质量相等的空心球，比较它们的体积，则（　　）

A：铜的最大

B：铁的最大

C：铝的最大

D：无法判定

上一题下一题 0.0难度选择题更新时间:2015-06-04 01:44:40

Manners in a dinner party
What to take	You can bring some drinks like ____ juice, beer or something like these.
When to arrive	You should arrive on time or no more than ____minutes late. If you'll be fifteen late, you should give the host a ____.
What to do at the table	Try to be relaxed and ____ at the table. If you can't use the knife and ____ , you can watch others.

ξ	0	1	2
P	$\frac{1}{4}$	$\frac{1}{2}$	$\frac{1}{4}$