句型转换。

1. My father has breakfast at home. (变为否定句)

    _______________________________.

2. Does she like eggs for dinner? (作否定回答) 

    _______________________________.

3. He likes hamburgers a lot. (对划线部分提问)

    _______________________________?

4. There are some nice tomatoes here. (变为否定句)

     ______________________________.

5. This is a carrot. (变为复数句)

    _______________________________.

非齐次线性方程AX=β有两个不相同的解ζ₁和ζ₂，它的导出组有基础解系η₁和η₂则AX=β的通解是（）。

A．c₁η₁+c₂η₂，c₁，c₂任取

B．c₁η₁+c₂(η₁+η₂)+，c₁，c₂任取

C．c₁η₁+c₂(ζ₁-ζ₂)+ζ₁，c₁，c₂任取

D．c₁η₁+c₂η₂+(ζ₁+ζ₂)，c₁，c₂任取