柴胡疏肝散合失笑散加减主要用于
A．肝气犯胃之呕吐
B．气滞血阻之积证
C．气滞血瘀之腹痛
D．肝气郁结之郁证
E．肝气犯胃之胃痛
参考答案：B
—If you don’t like the red coat， take the blue one.
—OK， but do you have ______ size in blue？This one’s a bit tight for me.
A．a big
B．a bigger
C．the big
D．the bigger
_______ both sides accept the agreement will the two countries live in peace.
A．Only if
B．Unless
C．If only
D．As long as
