久病卧床引起的周身疼痛是由于
A．邪滞经络，经气不舒
B．营气不足，气血不和
C．脾气亏虚，肌肉失养
D．久病肾亏，精气不足
参考答案：B
商业自动化主要有哪些内容？
I just wonder _____ that makes him so excited?
A．why it does
B．what he does
C．how it is
D．what it is
