15.聽第四段材料,回答第18至第20小題. 18、Where is the conversation taking place? A、At home. B、On the telephone. C、At the office. 19、When will the woman have to go for dinner this evening? A、At 6:00. B、At 5:30. C、At 6:30. 20、What does the man do? A、A telephone engineer. B、A computer engineer. C、An office worker.
16.聽第四段材料,回答第18至第20小題. 18.Why does the man want a book about the planets? A.Because he wants his friend to read it. B.Because he is interested in the subject. C.Because he will give a talk about the planets. 19.What other kind of book is the man interested in? A.Science books. B.Sport books C.History books. 20.How long can the man keep the books? A.One week. B.Two weeks. C.Three weeks.