价格优先是指较低价格买进申报优先于较高价格买进申报，较高价格卖出申报优先于较低价格卖

函数f（x）=3^2x-1的图象向上平移1个单位，再向右平移1个单位，得到函数 ______的图象

>钢卷在处理线开卷机上自动剪去捆带。

一连锁店客房120间，某日客房收入15000元，对外标价200元每间，当天销售客房80间，RevPAR是多少（）。

A.100

B.125

C.150

下列程序段运行后窗体上输出结果为( )。
Private Sub Command1 Click()
a=5：b=4：c=3：d=2
X=3＞2*b Or a=c And b＜＞C Or c＞d
Print X
End Sub

A．1

B．True

C．False

D．2

—I didn't see her yesterday.
—Of course, you （）, because she had gone to a trip.

A. can't

B. may not have

C. can't have

D. mustn't have