读一读，选择划线部分发音不同的一项。

该图是我国四省轮廓图，读图回答问题。

应____（yīn  yīng）    柴____（cái  chái）   融____（róng  lóng）

音____（yīn  yīng）    燃____（rán  lán）    斧____（fǔ  fù）

由m=4﹣x，m=y﹣3，可得出x与y的关系是（　　）

选用所给句子完成对话。
A: Have you ever heard about a fund-raising event called Oxfam-trailwalker?
B: Yes. ____ 
A: Yes, it is. I am thinking of joining it. It’s a good chance to learn about working together.
B: ____ 
A: People over 18 years old. ____ 
B: It's a difficult walk but I’m really interested in it. Do you think I can join the walk?
A: ____  We can be in the same team.
B: Oh, ____ Let's find another two members.