传送带上的相对位移

Truly love one's time,we should know what love is the best performance! 英语翻译 ∫e^√x*dx(∫积分上面是4下面是0),请问怎么算, 计算∫上(1)下(0),(4/4-e^x)dx 我最讨厌历史课我不不喜历史课,有和我一样的吗? 2 easy questionsHab vielen Dank!什么意思,vielen Dank就可以了,Hab放在这里算什么?Heute ist kein Unterricht.这句话挺别扭的,分析下巴,谢谢!原谅我忽视1楼的答案.第二句话我知道是对的,是从书上截下来的话, After all,attitude is everything. 为什么不是 Peter will driving me home tonight.这里的"is"是什么用法?今晚彼得开车送我回家 Peter is driving me home tonight.为什么不是 Peter will driving me home tonight.这里的"is"是什么用法?Peter will driving me home David Guetta的Turn Me On的歌词翻译 英语翻译 FX hot summer伴奏 求fx的hot summer伴奏! 提拉米苏的制作过程? never close ur lips to those whom u have already open ur heart,是什么意 - Discuss on all those open items that we never close.- To understand your new work assignment sta look out for your friends those close to your heart.意思? watch tv为什么不说watch a tv? Bonjour tu vas bien ? hello how are you ? 翻译中文 aimer le couleur bonjour,coeur ou Have you seen Mary lately?My boss wants to know _______.A.how she is getting along B.how is she getting along C.what she is getting along D.what is she getting along Have you seen henry lately My boss wants to know how he is getting along翻译 thank you for ____ ____ ____ present同义句转换thank you for your present. Thus a writer,Edward Maze,has pointed out that many Americans visiting Sweden in the early 1950's were astounted by its cleanliness.能帮我分析一下这个句子的句子成分,属于什么从句吗? 英语翻译Fourteen year old DANIEL RADCLIFFE (Harry Potter) once again reprises the role of young Harry Potter,a role he so uniquely made his own in "Harry Potter and the Sorcerer’s Stone and Harry Potter and the Chamber of Secrets".Playing the r Turn___the TV.I want to see the old film. A. on B.off C.to D.in ace全称是什么,出处哪里 which is the best brand in 5star hotel Is the hotel the best one _____ we have stayed in为什么选which而不是that 宾语从句 请问在宾语从句中如果主句用一般现在时,从句是否用一般现在时?比如这题1.Could you tell me.How long have you been here.这里是用had been还是 have been2.I don't know where their school were还是 where thei the cost is not very expensive It ()（）仅仅值20dollars 关于colors的英语对话 yes,l do．是什么意思