便秘的西医分型是什么？
参考答案：
功能性便秘，急性器质性便秘，顽固性便秘。
I _________ him for his success in business.
A．enjoy
B．treat
C．believe
D．admire
We must ___ to the public the simple fact that drug are dangerous. [ ]
A. get across
B. get away
C. get back
D. get behind
