左向右分流型先心病,不包括
A.房间隔缺损
B.室间隔缺损
C.动脉导管未闭
D.部分型心内膜垫缺损
E.三尖瓣闭锁
参考答案:E
Most people are in favor of the _______ against smoking in public places.
A.collision
B.negotiation
C.prohibition
D.discrimination
要求抹灰层具有防水、防潮功能时,应采用()
A.防水砂浆
B.水泥砂浆
C.石灰砂浆
D.水泥石灰砂浆