右心室出口周缘附着的是（）
A.左房室瓣
B.三尖瓣
C.主动脉瓣
D.肺动脉瓣
E.半月瓣
参考答案：D
--- _______
--- Yes, some chicken, please.
A. What do you want to drink?
B. May I take your order?
C. Would you like something to drink?
对零地点空气不新鲜会使光瓦零点漂移。
