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【多选题】
以下哪些选项是数据的多样性特征A.
数据类型不同，格式不同；
B.
数据具有“多源”的特点；
C.
数据的量很大；
D.
数据通常是多维的。
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举一反三
【简答题】It’s going to rain. You’d better take an u______ with you.
【简答题】在基坑开挖中，防治流砂的主要途径是减小、平衡______，或改变其方向。
【单选题】Why didn't Eddie take out the thing under the carpet?
A.
It was impossible for him to take up the carpet once it was fitted.
B.
He didn't need the cigarettes because he had some more in the car.
C.
It would take too long to take up the carpet and refit it.
D.
He intended to come back and remove the lump the next day.
【简答题】在基坑开挖中。防治流砂的主要途径是 ____,或改变其方向。
【单选题】Which of the following expressions can be used to describe the readers' reaction to the coming out of the novel 'Harry Potter and The Deathly Hallows'?
A.
Anxiety
B.
Excitement
C.
Indifference
D.
Disappointment
【单选题】We expect Mr. White will ___________ Class One when Ms Jenny retires.
A.
take over
B.
take up
C.
take off
D.
take to
【简答题】在基坑开挖中 , 防治流砂的主要途径是减小、平衡 。
【单选题】When you go to the doctor he asks you to describe your ____ so that he can make a diagnosis ( 诊 断).
A.
indications
B.
signs
C.
symbols
D.
symptoms
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