原式=(-1)2n+1
=-1.
故答案为:-1.
26.— What’s up. Lucy?
— ________.
A.I’m terribly sorry.
B.I’ve met an old friend of mine.
C.It’s over there.
D.It’s very nice of you
三阴交的取穴法是()
A.固定标志取穴法
B.活动标志取穴法
C.拇指同身寸法
D.骨度分寸法
E.简便取穴法