下列表示混凝土强度等级的是（）。A、C20B、M20C、F20D、T20 发布时间：2017-08-03 13:22 │ 来源：www.tikuol.com 题型：单项选择题 问题： 下列表示混凝土强度等级的是（）。A、C20B、M20C、F20D、T20
题型：单项选择题 Monday10:30—11:00 amVisit Uncle Peter in General HospitalTuesday2:00---4:00 pmSwimming classWednesday12:00—6:00 pmPart-time jobThursday10:30—11:30 amAppointment(约会) Mr.GreenFriday11:00amGo to the airport to meet SamSaturday10:00—12:00 amMeet John to study for testSunday5:00—7:00 pmBirthday party for Kate小题1:___ is ill in hospital.A．KateB．PeterC．DavidD．Sam小题2:David has a swimming class on____A．SundayB．ThursdayC．WednesdayD．Tuesday小题3:David does his part-time job for ___hours a weekA．fiveB．SixC．TenD．eleven小题4:David meets Sam_____.A．at Sam’s house .B．in the hospitalC．at the airportD．In kate’s room小题5:John and David want to ___on Saturday.A．study for testB．swim togetherC．have a birthday partyD．meet Mr.Green 查看答案