酒的生产工艺有三种，分别是发酵、蒸馏和配制。
参考答案：对
Cleaning women in big cities usually get ______ by the hour. [ ]
A. pay
B. paid
C. paying
D. to pay
最常见的腹外疝是
A．脐疝
B．股疝
C．切口疝
D．腹股沟斜疝
E．腹股沟直疝
