题目

听下面一段独白，回答以下小题。【1】How many rooms does Peter need?A.2. B.3. C.4.【2】Which meal is free of charge?A.Breakfast. B.Lunch. C.Supper.【3】When will Peter check out(结账离开)?A.On August 10th.B.On August 11th.C.On August 13th.【4】Who is probably the speaker?A.A tour guide.B.A hotel clerk(服务台接待员).C.Peter’s secretary(秘书). 答案：【答案】【1】A【2】A【3】C【4】B【解析】【原文】W: Hi, Peter. Thank you very much for your telephone call. I’m glad to tell you that we have two double rooms ready for you now. The two rooms are on the fourth floor with a good view of the Red Sea. The price for each room is $200 a night. Every morning from 7:00 to 9:30, your breakfast is free, but you have to pay for your lun如图所示，一条形磁铁放在水平桌面上，在其正上方略偏右固定一根与磁铁垂直的长直导线，当导线中通以图示方向的电流时（ ）A．磁铁对桌面的压力减小，且受到向左的摩擦力作用B．磁铁对桌面的压力减小，且受到向右的摩擦力作用C．磁铁对桌面的压力增大，且受到向左的摩擦力作用D．磁铁对桌面的压力增大，且受到向右的摩擦力作用