下列选项中哪个不是北美洲濒临的大洋（ ）
A．太平洋
B．印度洋
C．大西洋
D．北冰洋
北美洲东临大西洋，西临太平洋，北临北冰洋．
故选：B．
Bob swims ______than I, but he doesn't swim______ my brother.[ ]
A. much well, as well as
B. better, as good as
C. better, so well as
D. better, so good as
心室肥大引起心悸见于（）。
A.甲状腺功能亢进
B.主动脉瓣关闭不全
C.高血压性心脏病
D.室间隔缺损
E.动脉导管未闭
