桶状胸多见于（）。
A.肺肾阴虚
B.肺气壅滞
C.先天不足
D.后天不足
E.胃热壅滞
参考答案：B
We are kept ______ of what is happening in the world by reading newspapers and watching television .
A．reminded
B．informed
C．remembered
D．told
《尧典》中就出现（）的影子。
