阅读简答。

     Last week's talent show was a great success. There were fifteen acts. Eliza Clark won the prize for the

  best performer. She played a beautiful piano piece. Hu Yue was the quietest performer. He danced

 without music. The prize for the funniest act went to Steve Tian and his dog, Fido. They sang a cute song

 together.

根据短文内容，回答下列问题。

1. Was last week's talent show a great success?

    __________________________________

2. How many acts were there in last week's talent show?

    __________________________________

3. What did Eliza Clark do in the talent show?

    __________________________________

4. How did Hu Yue dance?

    __________________________________

5. Who won the prize for the funniest act?

    __________________________________

某化学兴趣小组为探究SO₂的性质，按下图所示装置进行实验。

请到答F列问题：

（1）装置A中盛放亚硫酸钠的仪器名称是             ，其中发生反应的化学方程式为           ；

（2）实验过程中，装置B、C中发生的现象分别是          、          ，这些现象分别说明SO₂具有的性质是         和          ；装置B中发生反应的离子方程式为                 ；

（3）装置D的目的是探究SO₂与品红作用的可逆性，请写出实验操作及现象                  ；

（4）尾气可采用            溶液吸收。