— Would you like to go out for a picnic with us?
— _______
A：Of course not.
B：That's all right.
C：I'd love to.
D：Yes, I do.
-Does your sister ___________ a CD ?
-Yes, she ___________.
下列物质中不属于新型有机高分子材料的是（ ）
－5的相反数是( )
