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【单选题】
在数据库系统中,考虑数据库实现的数据模型是
A.
概念数据模型
B.
逻辑数据模型
C.
物理数据模型
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参考答案：
举一反三
【单选题】—Please write down the address and the telephone number. —Sorry, but I have no_____to write on.
A.
paper
B.
time
C.
ink
D.
pen
查看完整题目与答案
【单选题】-Shall we go to the park on Sunday? -_________. [     ]
A.
I don't want to
B.
I have no time
C.
Sorry, but I must finish my homework first
D.
Thank you
查看完整题目与答案
【简答题】在设置单位精度的过程中,最多可设置几位小数A. 6 B. 8 C. 10
查看完整题目与答案
【单选题】---Sir, I’m terribly sorry for not having handed in my homework on time, but I have been very busy all these days. ---No excuse for it, but I drop it this time.
A.
might
B.
can
C.
should
D.
must
查看完整题目与答案
【单选题】I’m awfully sorry, but I had on alternative.I simply ( ) what I did.
A.
ought to have done
B.
have to do
C.
had to do
D.
must do
查看完整题目与答案
【单选题】在设置单位精度的过程中,最多可设置几位小数
A.
4
B.
6
C.
8
D.
10
查看完整题目与答案
【单选题】在设置单位精度的过程中,最多可设 置几位小数
A.
6
B.
8
C.
10
查看完整题目与答案
【简答题】电容的主要特性是( ),或者是通高频阻低频。
查看完整题目与答案
【单选题】地方导游人员应提前( )分钟抵达迎接旅游者的机场(车站 、码头 ),并与司机商定旅行车停放的位置
A.
120
B.
60
C.
30
D.
15
查看完整题目与答案
【单选题】M: I'm sorry, but I have to cancel out lunch on appointment. W: I'm sorry to hear that. M: I have pressing business to attend to. W: No problem. We'll make it later in the month. How does the woman fe...
A.
She's very excited
B.
She feel s relaxed
C.
She feels ashamed for the man
D.
She feels very regretful.
查看完整题目与答案
相关题目：
【单选题】—Please write down the address and the telephone number. —Sorry, but I have no_____to write on.
A.
paper
B.
time
C.
ink
D.
pen
查看完整题目与答案
【单选题】-Shall we go to the park on Sunday? -_________. [     ]
A.
I don't want to
B.
I have no time
C.
Sorry, but I must finish my homework first
D.
Thank you
查看完整题目与答案
【简答题】在设置单位精度的过程中,最多可设置几位小数A. 6 B. 8 C. 10
查看完整题目与答案
【单选题】---Sir, I’m terribly sorry for not having handed in my homework on time, but I have been very busy all these days. ---No excuse for it, but I drop it this time.
A.
might
B.
can
C.
should
D.
must
查看完整题目与答案
【单选题】I’m awfully sorry, but I had on alternative.I simply ( ) what I did.
A.
ought to have done
B.
have to do
C.
had to do
D.
must do
查看完整题目与答案
【单选题】在设置单位精度的过程中,最多可设置几位小数
A.
4
B.
6
C.
8
D.
10
查看完整题目与答案
【单选题】在设置单位精度的过程中,最多可设 置几位小数
A.
6
B.
8
C.
10
查看完整题目与答案
【简答题】电容的主要特性是( ),或者是通高频阻低频。
查看完整题目与答案
【单选题】地方导游人员应提前( )分钟抵达迎接旅游者的机场(车站 、码头 ),并与司机商定旅行车停放的位置
A.
120
B.
60
C.
30
D.
15
查看完整题目与答案
【单选题】M: I'm sorry, but I have to cancel out lunch on appointment. W: I'm sorry to hear that. M: I have pressing business to attend to. W: No problem. We'll make it later in the month. How does the woman fe...
A.
She's very excited
B.
She feel s relaxed
C.
She feels ashamed for the man
D.
She feels very regretful.
查看完整题目与答案
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