根据答语写出对应的问句。

1. ______________________________________________________________?

    I have a toothache.

2. ______________________________________________________________?

    Yes, my nose hurts.

3. ______________________________________________________________?

    No, I have a fever.

4. ______________________________________________________________?

    Yes, Wu Yifan is taller than me, but I'm heavier than him.

5. ______________________________________________________________?

    I went to a park yesterday.

6. ______________________________________________________________?

    I went to Xinjiang on our holiday.

7. ______________________________________________________________?

    She's 50 kg.

8. ______________________________________________________________?

    I wear size 17.

密闭容器中A与B反应生成C，其反应速率分别用v(A)、v(B)、v(C)表示。已知v(A)、v(B)、v(C)之间有以下关系2 v(B) = 3 v(A)、2 v(C) = v(A)。则此反应可表示为[ ]

A．3A+2B=6C

B．2A+3B=2C

C．2A+3B=C

D．3A+2B=2C