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【单选题】
当数据库由于各种原因而使其完整性遭到破坏时，必须采取以下哪项措施来恢复数据库()。
A.
重新安装数据库
B.
换一种数据库
C.
使用数据库备份
D.
将数据库中的数据利用工具导出，并保存
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【单选题】王洪文在中共第()次全国代表大会上被选为中央副主席。
A.
八
B.
九
C.
十
D.
十一
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【单选题】听力原文：W: I'm worried about Monday's exam. M: Take it easy. I'm sure you will do well if you take it easy and remain calm. W: Is it all right if I use dictionaries? M: You are not allowed to use them. I...
A.
She was troubled by a difficult mathematics question.
B.
She was worried about next Monday.
C.
She was afraid to take part in an examination.
D.
She was excited about the coming exam.
查看完整题目与答案
【单选题】—I'm worried about tomorrow's math exam. —______. I'm sure you will make it. [     ]
A.
Bad luck
B.
What a pity
C.
Take it easy
D.
Don't mention it
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【单选题】如果客户买入3手GBP/USD标准合约,市场价格是1.7718/1.7722,则合约价值应是:
A.
10 万*3*1.7718美元
B.
10万*3*1.7722英镑
C.
10万*3英镑
D.
10 万*3美元
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【单选题】听力原文：M: I'm worried about Anna. She's really been depressed lately. All she does is staying in her mom all day. W: That sounds serious. She'd better see someone at the Counseling Center. Q: What does ...
A.
Stop worrying.
B.
Go out more.
C.
Talk to a friend.
D.
Get counseling.
查看完整题目与答案
【单选题】I'm worried about _ she is.
A.
where
B.
this
C.
that
D.
what
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【单选题】如果客户买入3手GBP/USD标准合约,市场价格 是 1. 7718/1.7722 , 则合约价值是( )。
A.
10 万*3*1.7718 美元
B.
10 万*3*1.7722 英镑
C.
10 万*3 美元
D.
10 万*3 英镑
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【单选题】听力原文：W: I'm worried about Anna. She's really been de pressed lately. All she does is staying in her room all day. M: That sounds serious! She'd better see a psychiatrist at the counseling centre. Q: W...
A.
Cheer herself up a bit.
B.
Find a more suitable job.
C.
Seek professional advice.
D.
Take a psychology course.
查看完整题目与答案
【单选题】听力原文：W: I'm worried about Monday's exam. M: Take it easy. I'm sure you will do well if you take it easy and remain calm. W: Is it all fight if I use dictionaries? M: You are not allowed to use them, I...
A.
She was troubled by a difficult mathematics question.
B.
She was worried about next Monday.
C.
She was afraid to take part in an examination..
D.
She was excited about the coming exam.
查看完整题目与答案
【单选题】风心病哪类严重瓣膜损害可导致左心室射血受阻，引起左心室排血量显著降低，出现心绞痛、眩晕，甚至猝死
A.
二尖瓣狭窄
B.
二尖瓣关闭不全
C.
主动脉瓣狭窄
D.
主动脉瓣关闭不全
E.
肺动脉瓣关闭不全
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相关题目：
【单选题】王洪文在中共第()次全国代表大会上被选为中央副主席。
A.
八
B.
九
C.
十
D.
十一
查看完整题目与答案
【单选题】听力原文：W: I'm worried about Monday's exam. M: Take it easy. I'm sure you will do well if you take it easy and remain calm. W: Is it all right if I use dictionaries? M: You are not allowed to use them. I...
A.
She was troubled by a difficult mathematics question.
B.
She was worried about next Monday.
C.
She was afraid to take part in an examination.
D.
She was excited about the coming exam.
查看完整题目与答案
【单选题】—I'm worried about tomorrow's math exam. —______. I'm sure you will make it. [     ]
A.
Bad luck
B.
What a pity
C.
Take it easy
D.
Don't mention it
查看完整题目与答案
【单选题】如果客户买入3手GBP/USD标准合约,市场价格是1.7718/1.7722,则合约价值应是:
A.
10 万*3*1.7718美元
B.
10万*3*1.7722英镑
C.
10万*3英镑
D.
10 万*3美元
查看完整题目与答案
【单选题】听力原文：M: I'm worried about Anna. She's really been depressed lately. All she does is staying in her mom all day. W: That sounds serious. She'd better see someone at the Counseling Center. Q: What does ...
A.
Stop worrying.
B.
Go out more.
C.
Talk to a friend.
D.
Get counseling.
查看完整题目与答案
【单选题】I'm worried about _ she is.
A.
where
B.
this
C.
that
D.
what
查看完整题目与答案
【单选题】如果客户买入3手GBP/USD标准合约,市场价格 是 1. 7718/1.7722 , 则合约价值是( )。
A.
10 万*3*1.7718 美元
B.
10 万*3*1.7722 英镑
C.
10 万*3 美元
D.
10 万*3 英镑
查看完整题目与答案
【单选题】听力原文：W: I'm worried about Anna. She's really been de pressed lately. All she does is staying in her room all day. M: That sounds serious! She'd better see a psychiatrist at the counseling centre. Q: W...
A.
Cheer herself up a bit.
B.
Find a more suitable job.
C.
Seek professional advice.
D.
Take a psychology course.
查看完整题目与答案
【单选题】听力原文：W: I'm worried about Monday's exam. M: Take it easy. I'm sure you will do well if you take it easy and remain calm. W: Is it all fight if I use dictionaries? M: You are not allowed to use them, I...
A.
She was troubled by a difficult mathematics question.
B.
She was worried about next Monday.
C.
She was afraid to take part in an examination..
D.
She was excited about the coming exam.
查看完整题目与答案
【单选题】风心病哪类严重瓣膜损害可导致左心室射血受阻，引起左心室排血量显著降低，出现心绞痛、眩晕，甚至猝死
A.
二尖瓣狭窄
B.
二尖瓣关闭不全
C.
主动脉瓣狭窄
D.
主动脉瓣关闭不全
E.
肺动脉瓣关闭不全
查看完整题目与答案