引起绒毛心的常见疾病是()
A.结核性胸膜炎
B.冠心病
C.风湿性心包炎
D.肺源性心脏病
E.尿毒症性心包炎
参考答案:C, E
On a ship,watertight doors should be operated().
A.during abandon drill
B.during fire drill
C.weekly
D.when the rig is being moved
在毒蛇咬伤中,火毒是指()。
A.血循毒
B.火毒
C.蛇毒
D.神经毒
E.湿毒