I’ll pay a visit to the Inner Mongolia ,     there is a large temperature difference     between day and night.

A．in which

B．for which

C．from which

D．of which

抗过敏性休克的首选药物是（）。

A.阿托品

B.肾上腺素

C.异丙嗪

D.氢化可的松

E.地塞米松