肝气犯胃呕吐首选
A．藿香正气散
B．保和丸
C．小半夏汤
D．四七汤
E．苓桂术甘汤
参考答案：D
(2013·重庆模拟)—When did your brother begin to show his interest in medicine?
—It was a Saturday he noticed his classmate experimenting on a frog in the lab.
A．that
B．what
C．when
D．which
当城市道路宽度超过( )m时，可以在道路两侧各设一条污水管。
A．60B．50C．40D．30
