以下何者不是右心容量超负荷的超声表现()
A.右心腔扩大
B.三尖瓣运动幅度增大
C.室间隔运动平坦
D.右室流出道及肺动脉增宽
E.左心腔扩大
参考答案:E
Perhaps he is not quite fit for the job, but , please let him have a try.
A.in fact
B.anyway
C.so
D.otherwise
下列何种表现属职业性特征?()
A.苯中毒
B.局部振动病
C.石棉肺
D.胼胝、色素沉着等
E.铅线、铅面容