应激性溃疡
A.鲜红血便 B.创伤后呕血 C.出血伴腹痛、发热 D.呕血及黑便 E.出血来势凶猛,以呕血为主
参考答案:B
—________.
— Ever since last week.
A.Have you taken your temperature?
B.What’s the matter with you?
C.Is there anything wrong with you?
D.How long have you been like this?
机场管理机构应当在鸟击事件发生24小时内,按照中国民航鸟击报告格式将有关情况报()。