“三偏征”提示病变在
A.内囊
B.脑桥
C.中脑
D.小脑
E.延髓
参考答案：A
— How long_________in Hong Kong?
— For just the weekend. I’ll be back next Monday morning.
A．have you stayed
B．are you staying
C．did you stay
D．do you stay
