【正确答案】 C

【答案解析】[听力原文] Why didn't the directors approve our idea for the new project? A. Use the Internet for driving directions. B. It was last Friday. C. It wasn't detailed enough. [解析] A使用与directors相似的词direction，设置陷阱。B适合用来回答when疑问句。C因为该方案的内容还不够详细，故为正确答案。

【正确答案】 C

【答案解析】[听力原文] The marketing director said he would drop by the front desk of our building. A. No, it was on the desk. B. He came back in an hour. C. Okay, I'll go and meet him. [解析] A不仅重复使用desk一词，在内容上也与本题无关。B不要一听到选项中含有与问题中的drop by有关的came back，就选择此项。C针对市场总监要到前台来的陈述，直接回答要去见他，故为正确答案。

【正确答案】 B

【答案解析】[听力原文] Isn't the manager supposed to look into getting a new heating system? A. Yes, I think that's a convenient system. B. Yes, but he's behind schedule. C. I was looking for a heater. [解析] 虽然是以否定形式开头的疑问句，但是针对这一问题的回答与针对肯定疑问句的回答相同，对此，不要感到奇怪。A虽然表示同意，但是后面的内容不符合常理。B他落后于预订的计划，故为正确答案。C look into与look for的外形相似，需多加注意。

【正确答案】 B

【答案解析】[听力原文] If you want to borrow some equipment, please tell me anytime. A. Don't mention it. B. I appreciate your help. C. No, it is already equipped. [解析] A Don't mention it.是用来回答与感谢、道歉有关的内容时的回答。所以不能成为答案。B针对欲借用设备请随时开口的陈述，表示了感谢，故为正确答案。C使用equipment的动词形式equip，设置陷阱，而且在内容上与本题无关。

【正确答案】 C

【答案解析】[听力原文] The workshop was supposed to be held today, wasn't it? A. Perhaps we should hold a demonstration. B. It takes a whole week. C. Yes, but it was delayed until next week. [解析] A使用与seminar有关的词demonstration，设置陷阱。B问题是询问具体的时间，不适合用时间段来进行回答。C首先用yes做出肯定回答，之后，又补充说明研讨会被推迟到下周，故为正确答案。