题目

听下面一段较长对话，回答以下小题。【1】What makes the price different between the ninth and tenth floor?A.The facilities. B.The sizes. C.The views.【2】How many parking spaces are for residents?A.20. B.140. C.160.【3】Where is the swimming pool for children?A.On the fourth floor. B.On the third floor. C.On the second floor.【4】What does the man say about the gym?A.It is only open to resident members.B.It is free for residents.C.It is Olympic-sized.将铁块放入盛满酒精的杯中时，有8g的酒精溢出，则铁块的体积是1010cm3，铁块的质量是7979g．（ρ酒精=0.8g/cm3，ρ铁=7.9g/cm3）