某同学研究在固定斜面上运动物体

He often plays the plano.(一般疑问句)答案是Doesn's hi plays the piano? 英语完成句子题 He slipped and broke his leg. ________, he will have to be away from school for two or three weeks.A. Therefore B. Otherwise C. Moreover D. Besides He broke his leg_______,he will have to be away from school for three months.A As a result of B As a result C As the result of D As the result ---Mark broke his leg when he was playing football.---_____was that?A.since when B.since when ago C.how long ago C. 绕月球转是第几宇宙速度第一第二还第三,应该是第一或第二,求详答和根据 月球的宇宙速度?从月球上发射航天器的宇宙速度是多少?脱离地球引起的速度? quan正确读音 绕月卫星的宇宙速度要大于多少?请问：绕月卫星的宇宙速度大约多少,是大于第二宇宙速度11.2千米/秒,还是第三宇宙速度16.7千米/秒? 如果穿越黑洞,能飞出宇宙吗? 月球绕地球转速才1KM/S,还没达到第一宇宙速度,为什么月球不会撞上地球? 火箭能飞到太空吗? 用所给词的正确形式填空Tom did a lot of____in France last year.Tom____yesterday.He is a very good ______.(cycle) He is more diligent than ___ in his class.A.all the students B.anyoneC.any other student D.everyone我误选了A,想知道为什么， jack often plays ( )piano after school.填什么? 改错：Have you heard that Jeff's leg was broken while playing football?没看出语病~ 英语翻译No.1 The meaning of colorColor is very important in our life.We can see different colors in different places.It has a lot to do with our feelings.Colors can be divided into hot,cold or neutral colors.Red and yellow are hot colors because 初二英语 问题:My leg is broken,so I can't play football with you选项: A.Sorry to hear that. B.It doesn't matter 理由 Mike played football this afternoon but he got his leg.A.to break B.breaking C.brokenD.had broken(翻译一下,并解释原因） 将下列地理事物名称的字母序号填入图中方框内 怎么填,He broke his leg because he was too c_________.59.\x09Our TV set,refrigerator and air-conditioners can not work without e____________.If there is something wrongwith your car,you can go to a m___________ for help.最后一个问题：Tom is 英语高手帮忙翻译一段话 是我论文的摘要 不要用翻译软件 谢谢王勃的《滕王阁序》是骈体文中的杰出代表。文中运用了大量典故，或以古比今，或借古抒怀，极大地增强了文章的表达效果 my brother plays the piano very well.（改为同义句） My bmy brother plays the piano very well.（改为同义句）My brother is （）（）playing the piano. my sister often plays the piano.改为否定句 He did not play football any more when he was forty years old.改为同义句：He _____ _____ football when he was forty years old. 人 是无情的动物吗? the students are going to the library 划线提问the students are going to the library 划线提问-------------------------- ------------ the students --------------？ 战斗机真的能飞到太空吗 I'm going to the library after school.划线部分提问,划线的部分是：the library We are going to the library 对zhe libuary 提问 I started playing football when I was six years old.(改为同义句）I strated playing football____ ____ ____ ____six. I got my first football___ when I was six years old .__(就画线部分提问)