有关沙雷菌属的特性中，哪一项不正确（）
A.革兰阴性杆菌
B.具周鞭毛
C.无芽泡
D.触酶强阳性
E.氧化酶强阳性
参考答案：E
诊断早期肺源性心脏病的主要依据是
A．慢性肺部疾病史
B．肺气肿体征
C．右心功能不全体征
D．肺动脉高压症
The hospital________well, where many wounded________every day.[ ]
A. is operated; operation
B. operates; are operated on
C. operates; are operated
D. operates; operates on
