班级都需要什么东西

the bird covered the distance in three minutes 这里的 cover怎么回事呢cover不是覆盖 的意思吗 能量活化水跟普通水有什么区别家用净水机好不好 如何排去体内的铜离子 铜锅对人的身体有影响么? what they represet and how they affect people翻译 、有没有好听的组合名字,2个女生的组合,名字有一点意义（最好是英文的,也可以是中文的.）、Monica Wang 王珺瑶 Annie Lan 蓝沁 好听一点,甜一点,关于音乐的,清纯一点、一定要是英文的,那个什 Many people do not understand how () water they (),and they do not drink()water第一个空为m开头,第二个空为n开头,第三个空为e开头 求三个字母的女生英文名字 附中文意思比较有意义的~ 有没有好听的英文女网名,要注上中文.总体可爱幸福. life gives you lemons to make lemonade,but life also gives you sugar to make it as sweet as your he If life gives you lemons,make lemonade意思 Lemons are sour,so if life gives you something sour,make it into something sweet like lemonade.翻译 铜离子有颜色么 铜离子高怎么办? smart这个英语怎么读 smart英文怎么读 高能量活化水受欢迎的原因 纸币属于一般等价物吗 一质点沿X轴方向运动,其加速度随位置的变化关系式为a=3+2x,如果在x=0处速度为5m/s,那么x=3米处的速度为 The teacher told us that American schools( )in SeptemberA.begin B.begun C.have begun D.had begun 我聼过一首英文的歌裏面有这几个词 september summer holiday 很好听的!一开始就唱september还是summer他叫什麽呢?我在找了好久 都没找到! Discuss the strengths and weaknesses of learning English online. advantages and disadvantages of online learning晚上要用, He was so ___(please) when he heard that his father would come to see him. when mark twain was a little boy,his fatherA.die B.dies C.died Dto die加原因. I would like to be a teacher l_____ my father when I grow up. 1、Father___ ___ ___(许诺) that he would take me to visit the Disney Park2、To tell the truth,I have ___ ___ ___(没有共同点) with you.3、She grows flowers ___ ___ ___(和) vegetables.4、He didn't ___ ___ ___(注意) what the teacher said , My father always had a ready smile and a kind word.When I was little,he took me fishing or to the park.We were close then,and I wanted to grow up to be just like Dad.Then things began to change.I could never find time to stuff with him any more,We us 质点沿x方向运动,其加速度随位置的变化关系为:a=3x^2+1/3,如在x=0处,速度为5m/s,那么在x=3m处的速度为多少呢？ 一质点沿一直线运动,=-2x,试求质点速度与位置关系 当x=0m时,v =4m/s (不对啊 大学物理的内容 能量活化水好吗? a pain in my heart make your heart ache