正常成人膀胱容量是（）
A.100～200ml
B.200～300ml
C.300～500ml
D.600ml以上
E.100ml以下
参考答案：C
________you've got a chance, you might as well make full use of it.[ ]
A. For
B. Because
C. Even though
D. Now that
微机保护中随机存储器RAM有什么特点，作用是什么？
