一处美丽的风景作文300字

将60伏直流电变成6伏直流电需要串一个多大电阻? 12直流电 变成4.5伏直流需多大电阻用一个12伏摩托车电瓶接到4.5伏蓝光灯上,怎么变电压 初三英语怎么教我是大四学生,现在准备做一份初三的英语家教,很多年没学英语了.初三现在基本学哪些语法?句型?江苏地区的 "韬"的右半边的偏旁怎么打? 地球之所以有昼夜差异,且昼夜不断更替,是由于地球是 地球为什么会有昼夜交替 视频 60伏变48伏需要多大电阻我的电动车是48V的加了一块12V电池就变60V了,但是仪表是48V承受不了,我要加电阻,问加多大的电阻? 50伏的直流电加多大的电阻能变成2. 作文450字,备注我的同桌是女的 thanks to do sth还是thanks to doing sth. 10怎么写为什么? 初三英语10-15 Shakuntala’s brain took 50 seconds to find the answer.(保持句意不变) 初三英语26/10_____great fun it is to go hiking in such fine weather Yes ,I think so .A What a B How C What 怎么用电容、电阻、自感线圈,TO126三极管,做个干扰器,是可以干扰电路板的那种.电压是用直流9伏哦.给个电路图. Shakuntala's brain took fifty seconds to find the answer 划线是fifty seconds 是不是用How long? 10 14 翻译：having heard that,the little boy was so move翻译：having heard that,the little boy was so moved that he hugged his mother with tears in his eyes . he held his mother's right hand tightly for the rest of the day. Shakuntala's brain took fifty seconds to find answer,like lightning ____ _____.反义疑问句 The shop was so c____ that the little boy was lost 根据句意及首字母提示填入单词 My sister often helps my Mum______(clean)the house. my father wants me ____(clean)the house every day my sister and i often go___ (shop)on sunday用括号内的单词恰当形式填空希望讲明为什么 He often helps my mum to clean the house on Sunday.为什么用to clean不用clean? The poor little animal found that it was ___ ____ 这个可怜的小动物发现他的处境很危险 To everyone's s_____,that poor little boy worked out the problem first 英语翻译Tejoria’OrienteMUSCHIO BIANCOWHITE MUSKBAGNO CREMAAROMATICABATH CREAM 谢谢了·帮帮忙额··· A person puts his blue clothes into the Yellow river,then what will hap-pen?( )猜一猜.What letter is a kind of drink( )智力题。What is the next letter?S M T W T F( ) The garden there( )many flowers .是用has还是 are? 分子内能| 下列说法中正确的是（）?下列说法中正确的是（）?A 分子动能与分子势能的和叫做这个分子的内能B 物体分子的势能由物体的温度和体积决定C 物体运动的速度加大,物体的内能加 形容词 名词 动词 分 rea sweater take do bag bule shorts yellow white buy sell hat shoes have black 英语翻译bovin crust nappa,addebito spese di trasporto mezzo ups bank details cassa di disparmio di san miniato ag.santa croce sull'arno 2swift:CRSMIT3S915IBAN CODE: felice anno nuovo~Essere in grado di incontrarmi con voi,la mia vita la cosa più fortunati