心搏骤停应用复苏药，首选（）。

A.肾上腺素

B.异丙肾上腺素

C.利多卡因

D.氯化钙

E.碳酸氢钠

You must keep your eyes      if you are going to make your trip      enjoyable and worthwhile.

A, opened, to be     B, open, to be             C, opened,  be         D, open,  /