补全对话。

1. A: ________ is Amy?

    B: She is ________ there.

2. A: _________ the ants eating the honey?

    B: Yes, they _____ .

3. A:__________ a big nature park!

    B: It's nice.

4. A: _______ you see any animals?

    B: Yes, I ________ .

5. A:________ are the animals?

    B: They are ________ the forest.

6. A: ________ are the tigers doing?

    B: They are _______ in the lake.

7. A: ________ the pandas climb trees?

    B: Yes, they ___________. They  are good climbers.

8. A:_______ is the monkey doing?

    B: It is swinging.

传递函数只取决于系统的结构和参数，与输入量的大小和形式无关。