表示药物作用部位的中药性能是( )
A．四气B．五味C．升降浮沉D．归经E．毒性
参考答案：D
—I'm going to Hangzhou for a holiday this weekend.
—_____ you are there, could you buy me some green tea? [ ]
A. Because
B. While
C. After
D. Though
推行循环经济的必要性：①（）。②突破“绿色壁垒”的需要③缓解我国现存压力的需要。
