Excel中,公式引用运算符有两种:一是“:”,表示连续的矩形单元格区域;二是“,”,表示不连续的单元格或单元格区域。
参考答案:对
已知U={1,2,3,4,5,6},集合A={2,3},集合B={3,5},则A∩(∁UB)=______.
In the rush hour, hiring ________ taxi for you to do what you are eager to do may be ________ better
choice in our city. [ ]
A. the; the
B. a; the
C. a; a
D. /; a