【单选题】为了预防产后出血,肌肉注射缩宫素的时间为:
【单选题】I received bad service in that restaurant. They waiter was talking on the phone while ____ my order.
【单选题】The bad news that they had received from doctors meant the ________ of all their hopes. [ ]
【单选题】以下各项国际文件中,不属于国际环境公约的是( )
D.
1989 年《控制危险废物越境转移及处置巴塞尔公约》
【单选题】由国家最高行政机关实施、管理教育事业,根据宪法和教育法律制定的规范性文件称为( )。