“其下者注于气街，其上者走于息道”是指何气的分布
A．元气B．宗气C．卫气D．营气
参考答案：B
Go for it while you are young. You can’t avoid _______ your job tomorrow unless you work hard today.
A．losing
B．to lose
C．to be losing
D．being lost
西周王朝的历史功绩是什么？
