1扭力有多少公斤的拉力

△ABC中,其内角A,B,C所对的边a,b,c满足2b2=3ac,且B=60°,求A.（用正玄定理求） There will be more buildings in my hometown.(改为一般疑问句) 世界上有没有时速超过每小时300公里的车? 时速300公里以上的车有那些? 以“A famous place”为题目,50词英语作文. 家里灯带坏了,搞的一段亮一段不亮,请问如何修理或更换? 英语作文：以“一个著名的伟人"为题目 100词左右. would you tell me when and where you____(be) born? 家里有个灯坏了,也是换了灯泡还不亮看了很多都说,什么镇流器,起辉器,不太认识这些东西,哪位师傅给说下怎么简单的修理步骤,比较通俗易懂点的..家里的灯管是上海星源三基色节能灯管,底 我家这个灯泡坏了,刚换了新的,可还是不亮 Christ came back to life on Easter day 为什么是came 毛泽东之所以能把中国革命引导到胜利,归根到底靠的是 came back to life,Christ,on that day.（连词成句） 在上述世界格局的演变中,中国的地位发生了极大的变化,请简要阐述其变化的原因就是在冷战期间 美苏对抗 When were you born?的同义句 Can you tell me____? 为什么卫生间的灯总是坏?改怎么解决? 家里灯泡坏了 怎么修 昨晚家里卧式电灯爆掉了 大厅 厕所的灯都不亮了 但是插座是有电了我还没换上新的 但为什么别的灯也不亮配电箱最后个按钮扳不上 自动挑掉的那是不是我换个新的灯 Any time__life was saved from the ruins,the atmasphere of the rescuing people came to ___Any time a life was saved from the ruins,the atmasphere of the rescuing people came to life instantly,keeping them fighting on to find more that were to 鲁迅中的小弟弟是哪一位?是周作人?周建人?还是别的 Can you tell me_the programme is on?Yes,It is at five o'clock,on Wednesday.(why when where what)选括号里的词填空 Could you tell me A.Where's the police station B.how long the hospital had bCould you tell me A.Where's the police station B.how long the hospital had been built C.when would the bus come D.what's happened to the little boy over there -Sorry,i'm new -how/when /where/how long did you guess?-the way you speak.哪一个,是什么意思 Many cars on the road is heavy trafic.这个句子的主语是什么?这个句子的主语是many cars?还是什么?为什么用is?而不用are? The t_____ is very busy at this time.Look!There are so many cars on this road. look!There are so many cars.yes,The t___ in cities is always heavy 城市规划中工业用地在总体规划中的布局特点 英语翻译摘 要无线移动Ad Hoc网络中,能量的利用直接影响网络中移动节点的工作时间.本文在Ad Hoc网络各方面能耗的基础上,研究协议栈各层次上的节能策略,提出了两种主要的节能机制——无 求关于宾语从句和状语从句的用法在初中阶段要求掌握的内容PS.希望附例题 时间状语从句与宾语从句中的if的用法有什么区别拜托了各位 谢谢 疝气灯的灯泡容易烧吗? 新宝来直接把远光灯泡换疝气灯不加透镜也行吧 十一届三中全会后,经济体制改革在农村的表现是什么?