- I have coffee to refresh myself recently.

- Is that so? If you _______, make sure you limit it to one cup a day.[ ]

A. shall

B. may

C. can

D. must

男性，20岁。肌注青霉素后突然昏倒，血压测不到，最主要的抢救措施是

A．立即静脉滴注低分子右旋糖酐

B．静脉滴注地塞米松

C．立即静脉注射肾上腺素

D．静脉滴注间羟胺

E．静脉滴注去甲肾上腺素