下列概念中，( )不是施工企业利润的构成部分。
A．工程价款收入B．营业利润C．投资净收益D．营业外收支净额
参考答案：A
— A new shop ____________ for a week nearby. Let’s have a look there.
— Good idea. But it doesn’t ______ on Mondays.
A．opened; opened
B．has been opened; open
C．has opened; opened
D．has been open; open
选修4-5：不等式选讲
设函数f（x）=|x-1|+|2x-3|-a．
（I）当a=2时，求不等式f（x）≥0的解集；
（II ）若f（x）≥O恒成立，求a的取值范围．
