下列何方无大黄与芒硝的配伍（）
A.大承气汤
B.小承气汤
C.调胃承气汤
D.桃核承气汤
E.大陷胸汤
参考答案：B
Why is it _____ he can’t get along well with his classmates?
A．/
B．this
C．that
D．it
从触电（）分钟开始救治者，90％有良好效果.
A.1
B.2
C.3
