A、 At the end of March.
B、 In the middle of April.
C、 At the beginning of May.
D、 At the end of May.

【正确答案】 A

【答案解析】解析：对话中男士说，他们提供了三个时间选择(分别是A、B、C)，来自波兰的代表团选择了最早的那个时间，即“3月底”，故选A。

A、 She wants to book some plane tickets.
B、 Her assistant needs to buy some books for them.
C、 She needs to find a good hotel for the delegation.
D、 Her assistant needs to arrange the accommodation.

【正确答案】 D

【答案解析】解析：①根据选项中的wants、needs推断，本题是问想要或需要做什么，问目的。②女士在对话中说，她的助理现在就需要为代表团的人预定住处(accommodations)，故D正确。

A、 He received a call from the delegation.
B、 He discussed with the Poland delegation.
C、 He knew it through the contract they signed.
D、 He received an E-mail this morning and knew it

【正确答案】 D

【答案解析】解析：①由选项猜测，本题问knew it的方式，听音时注意辨别其所指。②男士提到，今天早上他们收到一封电邮，邮件里说代表团将由7个人组成，故选D。

A、 A tour around the city.
B、 A cruise along the river.
C、 A visit around the campus.
D、 Discussion and some seminars.

【正确答案】 B

【答案解析】解析：男士在说到对代表团的活动安排时，只有B未提及，故本题选B。