多项选择题

按照活动类型城市轨道交通危险源的识别范围分为（） A.
常规活动 B.
消防及行车疏散演习 C.
设备设施维护保养 D.
火灾

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单项选择题
3.以下属于护理学领域最具代表性的数据库是
A Medline
B Google Scholar
C CINAHL
D Web of Science
判断题
The author thanked his grandmother for teaching him how to tell the truth, to share and to be forgiving, and for her delicious food and sprinkling his life with stardust.
正确
错误
答案：正确