第一节 听句子 根据你所听到的句子，选择恰当的答语 (5分)
( ) 1. A. 1.3 billion. B. China. C. Is that so?
( ) 2. A. Not yet. B. Good idea. C. It’s great.
( ) 3. A. That’s right. B. Never mind. C. It’s my pleasure.
( ) 4. A. You are clever. B. I agree with you. C. Why not?
( ) 5. A. Congratulations! B. Sounds great! C. What a pity!
