______everyone is here.Let's begin our class.

相关推荐

• 根据句意和手写字母完成练习!1、I s________ cards to my uncle on his birthday every year.2、there are many k_________ of activities at school .and myfavourite is football.3、there are 10000 books in our school l_________.4、a new w________ begin on sunday,not monday.
• Let,s begin ____ our class nowA. 不填B. to haveC. havingD. A,B and C
• there ( ).Let's begin our classA.the bell goes B.goes the bell C.is going the bell D.the bell is going
• It's tome ___(begin)our meeting.
• _____ everyone is here,let's start our meeting?
• it's,is,he,what,when,doing,raining likes,everyone,in,piaying,our,beach,class,volleyball （ 连词成句
• ( )everyone is here,Let`s begin the meeting.空里填since,for,if还是though.为什么?
• 用everyone one other the other another others ones 填空 Since is here.Let's begin our class.
• Don't look out of the window.Let's begin our class.
• ( ) Let,s begin our class Is ____ here now?
• 一弹簧振子作简谐振动,总能量为E1,如果简谐振动振幅增加为原来的两倍,重物的质量增为原来的四倍,则它的总能量E1变为 [ ] （A）E1／4． （B）E1／2． （C）2E1． （D）4E1 我是这样算的 E1=1/2kA^2 因为k=mw^2 E1=1/2mw^2A^2 A变为2A ,m变为4m,算完是16倍,为什么答案是4倍?
• 某人在高层楼房的阳台外侧以20m/s的速度竖直向上抛出一个石头,石块运动到离抛出点15m处所经历时间为多少