反刍动物常因摄食过程中吞入金属等锐物,穿过网胃和横膈刺入心包而引起()
A.创伤性心包炎
B.心内膜炎
C.心外膜炎
D.细菌性心肌炎
E.病毒性心肌炎
参考答案:A
_____ people died in the big earthquake. [ ]
A. Two thousands
B. Two thousands of
C. Thousands of
国际商业银行贷款的特点是什么