皮皮学，免费搜题
登录
搜题
【简答题】
在数据库的安全性控制中,为了保证用户只能存取他有权存取的数据。在授权定义中,数据对象的( ),授权子系统就越灵活。 A. 范围越小 B)范围越大 C)约束越细致 D)范围越灵活
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
【单选题】If there is any doubt as to the proper operation of a radar, which statement is TRUE?
A.
Only a radar expert can determine if the radar is operating.
B.
All radars have indicator lights and alarms to signal improper operation.
C.
A radar range compared to the actual range of a known object can be used to check the operation of the radar.
D.
The radar resolution detector must be energized to check the radar.
【单选题】On Sunday morning, Mother bought a piece of__________at the butcher’s.
A.
Flesh
B.
meat
C.
muscle
D.
Vegetable
【简答题】Kate’’s ambition to become a nurse _____ from a desire to help others. A. prompted B. promoted C. programmed D. proceeded
【单选题】If there is any doubt as to the proper operation of a radar, which statement is TRUE?
A.
Only a radar expert can determine if the radar is operating.
B.
A radar range compared to the actual range of a known object can be used to check the operation of the radar.
C.
All radars have indicator lights and alarms to signal improper operation.
D.
The radar resolution detector must be energized to check the radar.
【单选题】设有语句 scanf(%d,%d”,&m,&n); 要使 m 、 n 的值依次是 2 、 3 ,正确是输入是( )
A.
、 2 3
B.
、 2 ， 3
C.
、 2 ； 3
D.
、 2
【单选题】Which action by a nurse ensures confidentiality of a client’s computer record?
A.
The nurse logs on to the client’s file and leaves the computer to answer the client’s call light.
B.
The nurse shares her computer password.
C.
The nurse closes a client’s computer file and logs off.
D.
The nurse leaves client computer worksheets at the computer workstation.
相关题目：
【单选题】设有语句 scanf(%d,%d”,&m,&n); 要使 m 、 n 的值依次是 2 、 3 ,正确是输入是( )
A.
、 2 3
B.
、 2 ， 3
C.
、 2 ； 3
D.
、 2