单项选择题

PowerPoint是一个文稿制作软件。

A.正确
B.错误
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不定项选择
以中序方式遍历一个堆序列对应的二叉树，则得到一个有序序列。
A．正确
B．错误
未分类题
What is learned about the woman?A.She used to be a financial planner.B.She works in the payroll department.C.She recently opened a checking account.D.She has money deposited to an account each month.
A.She
B.
B.She
C.
C.She
D.
D.She
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