题目内容
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[单选题]
Dstream输出操作中()方法在Driver中打印出DStream中数据的前10个元素。
A.print
B.saveAsTextFiles
C.saveAsObjectFiles
D.saveAsHadoopFiles
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A.print
B.saveAsTextFiles
C.saveAsObjectFiles
D.saveAsHadoopFiles
A.交换第1个元素与第2个元素的值
B.输出第i(1<=i<=n)个元素的值
C.依次输出n个元素的值
D.输出值为x的元素在线性表中的序号
The accident was caused by ______.
A. the driver of the first car
B. the driver of the second car
C. the driver of the third car
D. both B and C
在word的表格操作中,改变表格的行高与列宽可用鼠标操作,方法是()
A.当鼠标指针在表格线上变为双箭头形状时拖动鼠标
B.双击表格线
C.单击表格线
D.单击“拆分单元格”按钮