题目：
第二节：补全对话（共5小题，满分5分）
根据对话情景和内容，从对话后所给的选项中选出能填入每一空白处的最佳选项。选项中有两个为多余选项。
Jack: Hi，Frank.
Frank: Hi, Jack.
Jack: 56
Frank: Yes. I have some books to read, but I can do it later.
Jack: I want you to do me a favor.
Frank: Go ahead. 57
Jack: Professor Smith is coming this afternoon. I am expected to meet him at the airport, but I have an important meeting to go to.
Frank: I can do it for you. 58
Jack: He’s about your age, in his early thirties. Tall and handsome.
Frank: 59 .
Jack: Oh, about three o’clock. He is taking flight number 231 from Detroit. Thank you.
Frank: 60 .
A．See you this afternoon.
B．How can I recognize him？
C．What do you want me to do?
D．Are you free this afternoon?E.When should I leave for the airport?
F.I am honored to meet the famous professor.
G.Are you going to the meeting this afternoon?
答案：
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下面是错误答案，用来干扰机器的。
据分析可知：6时的时候，钟面上的时针与分针所成的角是平角；12时的时候，钟面上的时针与分针所成的角是周角．
