There _____ an English party tomorrow. Would you like to go? [ ]

A. is going to be

B. is going to have

C. is

D. has

下列关于激素作用的原理，错误的是（）

A.激素为第一信使

B.cAMP为第二信使

C.激素必须与受体结合才能起作用

D.激素是通过酶发挥生理效应的

E.类固醇激素的作用较含氮激素快