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【单选题】
数据透视表是一种可以快速汇总大量数据的交互式方法。 若要创建数据透视表,必须先执行 。A.
选择数
B.
选择图表类型
C.
创建字段列表
D.
创建计算字段
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【简答题】阅读理解。 A plant makes its own food in its leaves. Water comes to the leaves through the roots ( ). Air gets into the leaves through very small holes. The green coloring ( ) in the leaves uses th...
【简答题】A plant(植物) makes its own food in its leaves .Water comes to the leaves through the roots（根）. Air gets into the leaves through very small holes（孔） . The green coloring in the leaves uses the water and...
【简答题】阅读理解。 A plant (植物) makes its own food in its leaves.Water comes to the leaves through the roots (根). Air gets into the leaves through very small holes (孔). The green coloring in the leaves uses the wa...
【单选题】当程序中出现 F150,表示
A.
进给率为 150r/min
B.
进给速度为 150mm/min
C.
给量为 150mm/min
D.
进给速度为 150m/min
【简答题】The process that the veins gradually close off and trap sugars in the leaves will cause leaves______.
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