You might wonder how this kind of animal ____ to live without eating for so many months.

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A. keeps

B. succeeds

C. manages

D. tries

下列各项中，除（）外，都能治疗心绞痛心脾两虚者。

A.心俞、脾俞

B.中极、阳陵泉

C.阴郄、足三里

D.巨阙、内关

E.郄门、膻中