长于渗湿止泻的方剂是（）
A.补中益气汤
B.参苓白术散
C.四君子汤
D.生脉散
E.理中丸
参考答案：B
——The captain did not leave the sinking ship till the last moment.
——So he was the last man ______ the ship.
A．left
B．leaving
C．to leave
D．to be leaving
They ______ in ______ same grade. [ ]
A. all are; a
B. are all; the
C. all are; /
D. all; the
