如何办理流动人口婚育证？
参考答案：
村社证明，身份证，户口证和照片等手续到计生办办理。
The foreign guests, ____ were government officials, were warmly welcomed at the airport.
A．most of them
B．most of that
C．most of whom
D．most of those
（）亚硝酸盐中毒
A.乙酰胺
B.纳洛酮
C.亚甲蓝（美蓝）
D.维生素K
E.阿托品
