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【单选题】
肾小管关于泌H+作用的下列叙述错误的是A.
主要在远曲小管和集合管分泌
B.
分泌H+的同时重吸收Na+
C.
分泌NH3作用加强可促进H+分泌
D.
酸中毒时泌H+增强引起高血钾
E.
分泌H+增强，HCO3-重吸收增加
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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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