帕金森病常出现()
A.肌肉张力降低
B.痉挛
C.铅管样强直
D.去大脑强直
E.肌束震颤
参考答案:C
---I’m going to San Francisco for a couple of days.
---_________. I wish I could get away for a while.
A.It doesn’t matter
B.I can’t agree more
C.I really envy you
D.Forget it
常温下,将0.1mol•L-1的CH3COOH溶液用水稀释,过程中始终保持增大趋势的量是( )
A.n(CH3COO-)
B.c(H+)
C.n(CH3COOH)
D.c(CH3COOH)c(H+)