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【单选题】
使用关键字( )可以把查询结果中重复行屏蔽
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DISTINCT
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UNION
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ALL
D.
ROWNUM
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参考答案：
举一反三
【单选题】听力原文：W: This refrigerator is not working properly. I think we should buy a new one, but I don't see how we can afford it right now. M: If only we hadn't bought that motorbike. Q: Why didn't they buy a...
A.
They bought the motorbike.
B.
They had no timer
C.
They didn't want a refrigerator.
D.
There's nothing wrong with the old one.
查看完整题目与答案
【判断题】AOP中,前置通知可以应用于权限管理等功能。
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：M：Hurry. It is coming! W：We must take this one, otherwise we'll have to wait for another ten minutes. Q：What are they trying to do? (10)
A.
Waiting for their fight.
B.
Waiting for a bus.
C.
Taking a taxi.
D.
Winning a game.
查看完整题目与答案
【简答题】Match the sentences with the pictures. Write A or B. The girl hit the ball. The ball was hit by the girl. The girl was hit by the ball. The ball hit the girl.
查看完整题目与答案
【判断题】涡轮增压器是利用进气的能量来压缩进气，并将高密度的混合气送入燃烧室来增加产出功率的装置。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】The beautiful dress _______Miss Jones went to the ball was borrowed from a friend of hers.
A.
in which
B.
for which
C.
that
D.
where
查看完整题目与答案
【单选题】The ball was ( ) out of his grasp by a player on the other team.
A.
wrenched
B.
contested
C.
interrupted
D.
sucked
查看完整题目与答案
【单选题】The ball was probably invented because ______.
A.
throwing stones often caused injuries
B.
throwing stones was not fun
C.
games with stones did not have rules
D.
rocks were too heavy to throw
查看完整题目与答案
【单选题】听力原文：W: This refrigerator is not working properly. I think we should buy a new one, but I don't see how we can afford it right now. M: If only we hadn't bought that motorbike. Q: Why didn't they buy a...
A.
They bought the motorbike.
B.
They had no time.
C.
They didn't want a refrigerator.
D.
There's nothing wrong with the old one.
查看完整题目与答案
【单选题】The ball was probably invented because______.
A.
throwing stones often caused injuries
B.
throwing stones was not fun
C.
games with stones did not have roles
D.
rocks were too heavy to throw
查看完整题目与答案
相关题目：
【单选题】听力原文：W: This refrigerator is not working properly. I think we should buy a new one, but I don't see how we can afford it right now. M: If only we hadn't bought that motorbike. Q: Why didn't they buy a...
A.
They bought the motorbike.
B.
They had no timer
C.
They didn't want a refrigerator.
D.
There's nothing wrong with the old one.
查看完整题目与答案
【判断题】AOP中,前置通知可以应用于权限管理等功能。
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：M：Hurry. It is coming! W：We must take this one, otherwise we'll have to wait for another ten minutes. Q：What are they trying to do? (10)
A.
Waiting for their fight.
B.
Waiting for a bus.
C.
Taking a taxi.
D.
Winning a game.
查看完整题目与答案
【简答题】Match the sentences with the pictures. Write A or B. The girl hit the ball. The ball was hit by the girl. The girl was hit by the ball. The ball hit the girl.
查看完整题目与答案
【判断题】涡轮增压器是利用进气的能量来压缩进气，并将高密度的混合气送入燃烧室来增加产出功率的装置。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】The beautiful dress _______Miss Jones went to the ball was borrowed from a friend of hers.
A.
in which
B.
for which
C.
that
D.
where
查看完整题目与答案
【单选题】The ball was ( ) out of his grasp by a player on the other team.
A.
wrenched
B.
contested
C.
interrupted
D.
sucked
查看完整题目与答案
【单选题】The ball was probably invented because ______.
A.
throwing stones often caused injuries
B.
throwing stones was not fun
C.
games with stones did not have rules
D.
rocks were too heavy to throw
查看完整题目与答案
【单选题】听力原文：W: This refrigerator is not working properly. I think we should buy a new one, but I don't see how we can afford it right now. M: If only we hadn't bought that motorbike. Q: Why didn't they buy a...
A.
They bought the motorbike.
B.
They had no time.
C.
They didn't want a refrigerator.
D.
There's nothing wrong with the old one.
查看完整题目与答案
【单选题】The ball was probably invented because______.
A.
throwing stones often caused injuries
B.
throwing stones was not fun
C.
games with stones did not have roles
D.
rocks were too heavy to throw
查看完整题目与答案
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