A.75% B.80% C.85% D.90% E.95%
A.55% B.60% C.65% D.70% E.75%
A.受體構(gòu)型改變-離子通道開(kāi)放 B.受體構(gòu)型改變-離子通道不開(kāi)放 C.受體構(gòu)型不改變-離子通道不開(kāi)放 D.受體構(gòu)型不改變-離子通道開(kāi)放 E.以上全不正確