商业企业属于小规模纳税人的，其适用的征收率为( )。
A．2%B．3%C．4%D．5%
参考答案：C
n（n为整数，且n≥3）边形的内角和比（n+1）边形的内角和小（ ）。
根据上下文的意思，把下列对话补充完整。
A: 小题1:_____________________________?
B: Yes, please. I want a sweater for my daughter.
A: Look! Here are some sweaters for girls.
小题2:_____________________________?
B: Size M.
A: Do you like this red one?
B: Yes. My daughter likes red best.
小题3:________________________?
A: $25.
B 小题4:___________________.
Do you have any cheaper ones?
A: How about this one? It’s only$18.
B: Ok, I’ll take it. Here’s the money. 小题5:_________.
A: You’re welcome.
