Ｘ线诊断肺段隔离症的最有价值的方法是（）
A.胸部后前片
B.支气管造影
C.主动脉造影
D.体层摄影
E.CT扫描
参考答案：E
I really don’t know ___________.
A．how they’ve got so angry with me.
B．why have they got so angry with me.
C．how have they got so angry with me.
D．why they’ve got so angry with me.
目前，我国开放式基金于每个交易日估值，并于下一交易日公告基金份额净值。 ( )
