Directions: In each of the following groups of words, there are four underlined letters or letter combinations markedA,B, C and DCompare the underlined parts and identify the one thatis different from the others in pronunciation. Mark your answer by blackening the corres-ponding letter on the Answer Sheet.

听力

听力

听力

听力

61.根据提示写一篇延期举行报告会的书面通知。(1)推迟原因：北京大学计算机科学系教授张清明突然生病不能来校，大夫估计他几天内可康复(recover);(2)另定时间：8月1日，星期四，上午9点;(3)地址：教学楼大厅;(4)报告内容：计算机科学;(5)出席者：本专业学生必须参加，欢迎其他师生参加。

Directions:Pick out five appropriate expressions from the eight choices below and completethe following dialogue by blackening the corresponding letter on the Answer Sheet.A.Please tell her to be there on time.B.OK,dear.C.May I speak to Ann,please?D.Well,that`s great.E.Who`s that(speaking)?F.Can I take a message?G.And we are going to plant trees.H.Here you are.