金银花的归经是
A．肺、胃、大肠
B．肺、心、胆
C．肝、肾
D．心、肺、肾
参考答案：A
In my view, biology is ______ chemistry, but a little easier than mathematics.
A．a subject so difficult as
B．as difficult a subject as
C．as a difficult subject as
D．difficult as a subject as
警察具有武装性质，是国家治安司法力量。 ( )
