【正确答案】 C

【答案解析】[听力原文] Man: ①Do you know why the manager's plane hasn't arrived? Woman: ②I just get it from the airport reception that {{U}}it was held up Glasgow.{{/U}} Man: I thought it was a direct flight. Woman: No, actually, ③it stops in Birmingham and London as well. [解析] ①给出对话的主题——飞机延误。 ②说明飞机现在延误在格拉斯哥，故C项正确。 ③指出飞机在伯明翰和伦敦会停机，可排除A项和B项，故答案为C。

【正确答案】 B

【答案解析】[听力原文] Man: ①Have you heard who's giving the speech as the representative of our business partners? Woman: ②It's normally Ms. Kay. Man: Not this anniversary party. ③I{{U}} heard it's Mr. Brooks.{{/U}} Woman: Really? But they just started business with us. ④I thought it might be Mr. Tanner, classmate of the president. Man: No. Mr. Brooks' company invests most heavily in our products and that's why he is invited to give the speech. [解析] ①给出对话的主题——发言人入选。 ②指出通常是Ms. Kay，但根据下文男士的回答可知今年不是，排除A项。 ③指出今年是Mr. Brooks，且后文说明其公司投资最多所以他被选为代表发言，故B项正确。 ④女士指出曾经认为会是总裁的同学Mr. Tanner，但男士给予否定，故排除C项，故答案为B。

【正确答案】 B

【答案解析】[听力原文] Man: ①I heard sales declined gradually at first but then increased, is that right? Woman: ②The figure did decrease for two quarters. But last month, {{U}}there was great improvement in it, while the figure drops this month.{{/U}} Man: ③Well, would it go down to the same level as the end of the second quarter? Woman: Hard to say. [解析] ①给出对话的主题——销售额变化。男士询问是否先降后升，根据后文可知叙述不全面，排除A项。 ②女士指出确实先降后升，但是上升之后又有下降，B项和C项均与此相符。 ③指出不确定最后是否会降到之前的最低值，可排除C项，故答案为B。