We can see from the first paragraph that the first Labor Day march ______.
A.immediately won nationwide support
B.involved workers from 30 states
C.was opposed by many factory owners
D.was organized by the UBCJ
第1题
成人最常见的“左向右分流”先天性心脏病是
A.房间隔缺损
B.室间隔缺损
C.房间隔缺损加室间隔缺损
D.动脉导管未闭
E.法洛四联症
第2题
成人最常见的“左向右分流”先天性心脏病是
A.房间隔缺损
B.室间隔缺损
C.房间隔缺损加室间隔缺损
D.动脉导管未闭
E.法洛四联症
第4题
婴幼儿左向右分流先天性心脏病最常见的并发症是
A、支气管肺炎
B、心力衰竭
C、脑栓塞
D、心律失常
E、感染性心内膜炎
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