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【单选题】
患者,女,23岁,因暴饮暴食后突发急性胰腺炎收治入院,经实验室检查,发现其首先升高的指标为( )A.
血淀粉酶
B.
尿淀粉酶
C.
红细胞计数
D.
血糖水平
E.
血钙水平
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皮皮学刷刷变学霸
举一反三
【多选题】Which two statements about creating constraints are true?（）
A.
Constraint names must start with SYS_C
B.
All constraints must be defines at the column level.
C.
Constraints can be created after the table is created.
D.
Constraints can be created at the same time the table is created.
E.
Information about constraints is found in the VIEW_CONSTRAINTS dictionary view.
【多选题】Which two benefits are provided by creating VLANs?（）
A.
added security
B.
dedicated bandwidth
C.
provides segmentation
D.
allows switches to route traffic between subinterfaces
E.
contains collisions
【多选题】The blade has a groove on the bottom creating two distinct edges ——__________ and ___________.
A.
inside
B.
upside
C.
outside
D.
downside
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