— Could you please ______ us some stories?
— Ok. [ ]
A. say
B. talk
C. tell
D. speak
答案:C
心前区摩擦感
A.右心室肥大B.左心室肥大C.左心房肥大D.大量心脏压塞E.急性心包炎 下列体征最常见于何种病变
己内酰胺贮罐置换时应使用低压蒸气。