选定多个不连续的单元格,应首先单击第一个单元格,然后在按下()键的同时,再依次单击其他单元格。
A、Ctrl
B、Alt
C、Shift
D、Backspace
参考答案:A
若m≥a,则方程x2+x-m=0有解的逆命题为真命题,则a的取值范围为______.
--John, I’ve got my dream job.
--Congratulations! But I want to remind you that you should play better if you really want to
_______ a good impression ______ the employer.
A.leave ; to
B.make; to
C.leave; with
D.make; on