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. About one century. B. In 1921. C. In one century.
（ ）2. A. Hamburgers. B. Blue. C. Beijing.
（ ）3. A. Yes, I have. B. Twice. C. Yes, I do.
（ ）4. A. In the countryside. B. The countryside is quieter. C. Yes, it is.
（ ）5. A. Yes, please. B. Good idea. C. Thank you.
