题目内容

有关大数据的特征的描述,不正确的是

A. 数据价值密度高
B. 数据处理速度快
C. 数据多样
D. 数据量大

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Do you know when Thomas Edison was born?

A. May be in July.
B. Just make a guess.
C. In 1847.
D. Yes , it is true exactly .

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A. I often read his writing.
B. I like it very much.
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At 76.
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C. In 1819.
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A. She lost her sight and hearing.
B. The baby died.
C. She needed help.
D. She was sad.

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