所有法律在公布的当天发生法律效力。( )
参考答案：错
The teacher asked Mary _______ she could tell him the general idea of the poem. [ ]
A. that if
B. whether
C. that
D. how
耳部CT扫描的适应证不包括
A．先天性耳道畸形B．肿瘤C．炎症D．药物性失聪E．外伤
