寒因寒用不适用下列哪种病证 ( )
A．脾虚腹胀
B．血枯经闭
C．气郁腹胀
D．阴虚便秘
E．肾虚癃闭
参考答案：C
----_____he dropped out of school?
----His family has run into financial difficulties.
A．Why was it that
B．Why was that
C．Why was that it
D．Why was it
从词类活用看，下列各句中加粗词不同于其他三项的一项是[ ]
A．顺流而东也
B．诵明月之诗，歌窈窕之章
C．况吾与子渔樵于江渚之上
D．泣孤舟之嫠妇
