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【简答题】
l 消除1NF 关系中非主属性对主码的_________,得到2NF ;
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举一反三
【单选题】The floods are _______ most of the villages in the sea.
A.
threatening
B.
applying
C.
advertising
D.
judging
【简答题】The floods are ____most of the villages in the area.
【简答题】Fill in each of the blanks in the following sentences with a word or phrase chosen from the following words. Change the forms where necessary. hesitate; humble; influence; judgment; threaten; act...
【简答题】Complete the sentences with the vocabulary given below. ( 请将下列词语的 代号,代号,记得是代号, 不是单词填入对应句子当中) 1 humble, 2 judgement, 3 hesitates, 4 influence,5 threatening, 6 origin 7 leaving...to, 8 acting on, ...
【单选题】The floods are ________ most of the villages in the area.
A.
threatening
B.
resenting
C.
weakening
【简答题】The floods are ______ most of the villages in the area．洪水正威胁着这个地区的大多数村庄。
【简答题】The floods are ________________ most of the villagers in the area. (threaten)
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