肾的内部组织分为（）和（）2部分。
参考答案：皮质；髓质
—Mary works hard at English.
—_______ and_______.
A．So does she; so you do
B．So does she; so do you
C．So you do; so does she
D．So she does; so do you
膨胀机的能量损失有哪些？
