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【单选题】
下列约束中用于限制列的取值不重的约束是
A.
PRIMARY KEY
B.
DEFAULT
C.
CHECK
D.
UNIQUE
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参考答案：
举一反三
【单选题】打赢脱贫攻坚战,要把( )放在首位。
A.
提高脱贫质量
B.
开发式扶贫和保障性扶贫相统筹
C.
调动全社会扶贫积极性
D.
扶贫同扶智扶志相结合
查看完整题目与答案
【单选题】What do Champion Customer Club members NOT receive?
A.
A collection of mysteries
B.
Previews of new books
C.
Large orders at lower prices
D.
A spot in a raffle drawing
查看完整题目与答案
【单选题】Which location will NOT receive recycling bins?
A.
The cafeteria
B.
The conference room
C.
The operations break room
D.
The administration break room
查看完整题目与答案
【简答题】A．Most of the children in developing countries do not receive education or health care. B．The chief goal of Child Hope U. S. A is to halt the spread of and the use of illegal drugs among children...
查看完整题目与答案
【单选题】设 的定义域是(0,1), 则 的定义域为
A.
(0,1)
B.
(1,10)
C.
(0,+ )
D.
(1,2)
查看完整题目与答案
【单选题】Initially his book did not receive much attention, but two weeks after the critic's review appeared in the newspapers, it climbed to the best sellers' list.
A.
At first
B.
First of all
C.
At first sight
D.
From the first
查看完整题目与答案
【简答题】设 的定义域是[0,1],则 的定义域为____。
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【单选题】既是制约学校课程发展的重要因素，也是推动学校课程发展变化的重要动力的是( )。
A.
生产力发展水平、政治、经济状况
B.
学生年龄特征
C.
杰出教育家的思想
D.
课程理论
查看完整题目与答案
【单选题】Which is the reason why Mrs. Manstey did not write her daughter?
A.
She did not receive any letters from her daughter.
B.
It was difficult for her to write.
C.
California was far away from New York.
D.
They were separated so many years.
查看完整题目与答案
【单选题】既是制约学校课程发展的重要因素,也是推动学校课程发展变化的重要动力的是( )。
A.
生产力发展水平、政治、经济状况
B.
学生年龄特征
C.
课程理论
D.
文化传统
查看完整题目与答案
相关题目：
【单选题】打赢脱贫攻坚战,要把( )放在首位。
A.
提高脱贫质量
B.
开发式扶贫和保障性扶贫相统筹
C.
调动全社会扶贫积极性
D.
扶贫同扶智扶志相结合
查看完整题目与答案
【单选题】What do Champion Customer Club members NOT receive?
A.
A collection of mysteries
B.
Previews of new books
C.
Large orders at lower prices
D.
A spot in a raffle drawing
查看完整题目与答案
【单选题】Which location will NOT receive recycling bins?
A.
The cafeteria
B.
The conference room
C.
The operations break room
D.
The administration break room
查看完整题目与答案
【简答题】A．Most of the children in developing countries do not receive education or health care. B．The chief goal of Child Hope U. S. A is to halt the spread of and the use of illegal drugs among children...
查看完整题目与答案
【单选题】设 的定义域是(0,1), 则 的定义域为
A.
(0,1)
B.
(1,10)
C.
(0,+ )
D.
(1,2)
查看完整题目与答案
【单选题】Initially his book did not receive much attention, but two weeks after the critic's review appeared in the newspapers, it climbed to the best sellers' list.
A.
At first
B.
First of all
C.
At first sight
D.
From the first
查看完整题目与答案
【简答题】设 的定义域是[0,1],则 的定义域为____。
查看完整题目与答案
【单选题】既是制约学校课程发展的重要因素，也是推动学校课程发展变化的重要动力的是( )。
A.
生产力发展水平、政治、经济状况
B.
学生年龄特征
C.
杰出教育家的思想
D.
课程理论
查看完整题目与答案
【单选题】Which is the reason why Mrs. Manstey did not write her daughter?
A.
She did not receive any letters from her daughter.
B.
It was difficult for her to write.
C.
California was far away from New York.
D.
They were separated so many years.
查看完整题目与答案
【单选题】既是制约学校课程发展的重要因素,也是推动学校课程发展变化的重要动力的是( )。
A.
生产力发展水平、政治、经济状况
B.
学生年龄特征
C.
课程理论
D.
文化传统
查看完整题目与答案
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