皮皮学，免费搜题
登录
搜题
【简答题】
This is what you should bear in mind: Don’t ___ a salary increase before you actually get it. A) hang on B) draw on C) wait on D) count on
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
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
【简答题】若根据选定的方向计算的电流值小于零,说明该段电流的实际方向与参考方向 。
【多选题】The blade has a groove on the bottom creating two distinct edges ——__________ and ___________.
A.
inside
B.
upside
C.
outside
D.
downside
相关题目：