在一个接地导体球附近放一点电荷q ,球半径为R,点电荷与球心相距a，q在感应电荷电场中的电势能

（ ） came to the party last night? 游重庆科技馆的观后感就是重庆大剧院的旁边那个科技馆, Brian ________ many famous places since he came to live in Shanghai last year.A:has visited B:will visit C:was visiting D:had visited请详述理由, Who did he _____ to about their school life just now?A.say B.talk C.speak D.tell 再也按捺不住了,急匆匆的成语2 谁能帮我写一首关于《枸杞人生>的诗句! 【改错】Before you came to teach us English at last term.这句话为什么要去掉at? Mr.Victor came to our classroom to have a talk with us last week.谓语哪个? 像流水一样流个不停 用一个成语来描述 形容不停的写的成语（ ）要含“手”这个字 有没有什么什么不停的成语? 有一个成语叫一(什么不停 有没有可能只打雷不闪电,然后下雨 he didn't know how he can get to the museum改为简单句I have never read ____ _____ ______ _______(如此有趣的故事). 经过很长的时间还不停止,指掌声等非常热烈(成语) 长时间不停止.多用来形容掌声、情感等.这是什么成语意思 He doesn't know how he_____improve his English. A.must B.has to C.can D.maybe My father is a worker.My mother is a worker,too.__________my father _________my mother are workers I like the book which has something to do with English.翻译 英语翻译我愿与你久伴 怎么翻译成英语呀?I would like to with you for a long time 这个的话好像不大对麻烦各位看一下 为什么光闪电不打雷外面好大的闪电,但是没雷,为什么啊.注意啊是闪电在天边一拉而过,很长,但是没雷声啊? 光闪电不打雷是怎么回事? 下雨时,为什么光打雷,不闪电? 闪电和打雷的原理是什么 光打闪不打雷的原因是什么 根据句意及首字母提示补全单词 1.The boy was riding a bike when a fast car hit him s_____.2.While we were making our way to school,the w_____was blowing strongly.3.Could you please close that w____,Mary?It's raining outside.4.Our class we —would you like me to get together with you?A.Please do.B.i'd like to. could you chat with You can chat with me here You can chat with me whenever I am online和welcome to chat with me whenever I am online这两句哪个更好一点 英语翻译Can l chat with you 求北京交通大学考博英语题型..哪几种题型呀 当英语面试中用到 If we hire you,how long will you stay with us?,怎么回答?