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【单选题】
实体完整性要求主属性不能取空值，这一点可以通过（ ）保证A.
定义外码
B.
定义主码
C.
用户定义的完整性
D.
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举一反三
【简答题】Fill in the blanks with the appropriate words or phrases given in the box.Change the forms where necessary. p ose calculate predict enfor ce t ransmit decorate distort insight c elebrate perceive dete...
【单选题】(专四真题) Which of the following italicized parts used an Object?
A.
What do you think has happened to her?
B.
Who do you think the visiting professor is?
C.
How much do you think he earns every month ?
D.
How quickly would you say he would come?
【单选题】下列说法正确的是( )
A.
张某收买被拐卖的儿童后，虽阻碍对其进行解救，但没有虐待行为，可以从轻处罚
B.
某甲收买被拐卖的儿童后，没有虐待行为，且不阻碍对其进行解救，可以不追究某甲的刑事责任
C.
赵某收买被拐卖的妇女后，没有虐待行为，但不允许其返还原居住地，可以从轻处罚
D.
某乙收买被拐卖的妇女后，依其意愿，不阻碍其返回原居住地，可以从轻或者减轻处罚
【单选题】(专四真题) Which of the following sentences has an object complement?
A.
The directors appointed john manager.
B.
I gave Mary a Christmas present.
C.
You have done Peter a favor.
D.
She is teaching children English.
【简答题】Fill in the blanks with the appropriate words or phrases given in the box.Change the forms where necessary. p ose calculate predict enfor ce t ransmit decorate distort insight c elebrate perceive dete...
【单选题】(专四真题) Which of the italicized parts functions as an object ?
A.
He doesn 't like the idea of my talking at the meeting.
B.
It no use your pretending not to know the matter .
C.
Her falling into the river was the climax of the whole trip.
D.
My parents strongly object to my going out alone at night .
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