(单选) 天气精准预报,需要对地面观测气象要素、数值模式预报气象要素、地理信息、城市环境信息等多源数据融合建模,这体现了大数据的 ( ) 特征。
A. 数据处理速度快
B. 数据量大
C. 数据价值密度低
D. 数据多样
查看答案
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
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 .
How do you like Ernest Hemingway ’s writing?
A. I often read his writing.
B. I like it very much.
C. He was in World War II
D. He is an American.
At what age exactly did Thomas Jefferson become president of the University of Virginia?
At 76.
B. He was the first president of the university.
C. In 1819.
D. I'm afraid not.
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