根据表格信息填空.下图是希望小学春季上午的作息时刻表.7:30到校早自习8:00 发布时间:2017-06-06 17:57 │ 来源:www.tikuol.com 题型:填空题 问题: 根据表格信息填空.下图是希望小学春季上午的作息时刻表.7:30到校早自习8:00晨练8:10~8:50第一节课9:00~9:40第二节课9:50~10:20课间操10:25~11:05第三节课11:15~11:55第四节课中午吃饭休息(1)学生从早上到校到上第一节课,一共经过了______分钟.(2)11:00时,学生正在上第______节课.(3)学生的课间操做了______分钟.(4)你还能提出哪些问题?该怎样回答?
题型:填空题 如图所示为验证动量守恒的实验装置示意图.(1)若入射小球质量为m1,半径为r1;被碰小球质量为m2,半径为r2则______A.m1>m2,r1>r2 B.m1>m2,r1<r2C.m1>m2,r1=r2 D.m1<m2,r1=r2(2)为完成此实验,以下所提供的测量工具中必需的是______.(填下列对应的字母)A.直尺 B.游标卡尺 C.天平 D.弹簧秤 E.秒表(3)设入射小球的质量为m1,被碰小球的质量为m2,P为碰前入射小球落点的平均位置,则关系式(用m1、m2及图中字母表示)______成立,即表示碰撞中动量守恒. 查看答案
题型:填空题 “Neal, listen,” she said, looking straight at him. “I ask you not to get ________ in this kind of matter. It's none of your business.”A.caught B.involvedC.attachedD.connected 查看答案
题型:填空题 The students were_______to learn that the new teaching methodat the meeting would be carried out.A.pleased; put forwardB.pleasing; putting forwardC.pleased; putting forwardD.pleasing; put forward 查看答案