鸡血藤的功效是（）丹参的功效是（）
A.功偏活血通经
B.功偏补肝肾强筋骨
C.功偏补阴
D.功偏养血安神
E.功偏补血舒筋活络
参考答案：E,D
—I did not know you were good friends.
—You__________. I have known her since she moved here. You were abroad then.
A．may have
B．needn’t have
C．couldn’t have
D．must have
下列叙述中不是我国的气候特征的是（ ）
A．气候类型复杂多样
B．季风气候显著
C．大陆性气候显著
D．地势西高东低，呈三级阶梯状分布
