I'm thirsty. I want _____ some pop. [ ]
A. drink
B. drinks
C. drinking
D. to drink
答案:D
有两个电阻R1与R2,且R1>R2,当它们串联后接在某电源上,则它们的功率大小关系为()
A、P1<P2
B、P1>P2
C、P1=P2
D、无法比较
治疗巅顶痛,取穴当以下列何经为主:
A.少阳经
B.少阴经
C.阳明经
D.太阴经
E.厥阴经