酒制补肝肾、强筋骨，生用活血通经的药物是（）
A.牛膝
B.穿山甲
C.王不留行
D.丹参
E.水蛭
参考答案：A
You used to be a top student. You shouldn’t ___________.
A．worry about not getting a good job
B．worried about you’ll not get a good job
C．worry about not get a good job
D．worry about having a good job
对于估价对象具有潜在的开发价值时，假设开发法几乎是惟一实用的估价方法。( )
