第17题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. He is a safeguard. B. He is a fireman. C. He is a policeman. D. He is a racing-driver. 参考答案:B 答案解析:[听力原文]
W:You must enjoy danger,I mean,you wouldn’t be a fireman if you didn’t,would you
M:I don’t