（一）录音中有五个句子，每个句子听一遍，然后从每小题A、B、C三个选项中选出每个句子的正确应答语。
1. A. It doesn’t matter this time. B. Not at all. C. Thank you.
2. A. Yes, it is the largest lake in the world.
B. No, it isn’t. But it’s the longest one in China.
C. Yes, it’s the widest channel in the world.
3. A. It’s said that it’s over 1,500 meters high. B. Yes, I am. C. No, I haven’t.
