根据下表物料的消耗数据。
预测消耗值的均方差。
参考答案：
---You’re selling your house and moving to one that is half its size? Are you serious?
---__________. [ ]
A. I mean it
B. That’s all right
C. It depends
D. You’ve got me
小汗腺分布最多的部位是
A．头皮
B．躯干
C．掌跖、腋
D．四肢
