gbt8170

一个细节问题,串联稳压电源的调整电路为什么需要两个三极管,调整电路是起反馈作用的,一个三极管就应该可以了,为什么需要两个? 英语翻译Pieces of iceI'll drown in your eyes,no able to lieI found you and I'm not going to loose you,You believed in my words,told me waitAnd disappeaing in the dancing,and I pray - come backI'm flying away,but my goodbye isn't for forever,And a fire of the universe歌词的中文翻译 怎么让一个用电池短路导线缠绕的电磁铁的磁力能吸起4—5个钩码?是用铁钉来做电磁铁，是2个钩码普通科学用具里0.5kg钩码，怎么办说清楚 左右各四,共八扇（中数词与现代汉语的差异）急现在就要 give,mother,presents,flowers ,their ,as,some,they 连词成句, They bring d_____ birthday presents to Lily中间填什么? one mile是多长? yan结尾的词或者诗,成语 谁能帮我把“林”和“素”字组在一起,写成成语、词语、诗句,表示爱情的 用小学六年级上册英语单词编出的作文用六年级上册10个模块的单词写出作文或故事,单词必须全用上! 文言文中的数词顺序是怎么样的?童趣里的 总结“名词+数词”短语翻译方法(文言文） into They nine at o'clock the went classroom 连词成句 Lily will visit her grandfather next Sunday同义句Lily _________ __________ __________ visit he grandfather next Sunday很着急 请尽快回复 lucy and lily --------(not see)a film next? 冥王星被降级的原因是什么? You are where you are today in your life based on everything you have believed. where you are today in your life 这个是做定语?我觉得有点奇怪,因为我觉得you后面接定语为什么是where呢?好别扭啊,不应该都是who,that什么 清丰的经纬是多少?中星6B的经纬度是多少?卫星锅的角度应怎样调? He never_______ any land .Nor did he poss a house of his own.a owned b mastered c help d grasped 中星6B卫星上有多少个台?那个卫星上一共能收到多少台?我见别人家的有深圳、南方、广东……那些台,我家的怎么收不到?怎么收?参数是多少?懂得说下! 为什么一般疑问句第三人称用does后动词不加s 句子中有do\does,后面第三人称的动词还要不要加s? 疑问句前面用了does 后面动词还要+s么?He writes four letters to his wife every mouth.改为疑问句. greenman 是不是green light 的意思是不是就是绿灯的意思?can you see the green man?yes,cross the street.walk quickly!这个场景对话应该如何翻译？ The boy ___ helps his mother do any housework,does he?No,he doesn't .A usually B always C rarely也翻译一下中文The boy ___ helps his mother do any housework,does he?No,he doesn't .He is so lazy.A usually B always C rarely D sometimes ( )------_____does he help his mother _____housework?------Twice a weekA.How long;of B.How often;with C.How often;doing D.How long;do 我家在甘肃酒泉的玉门镇　　麻烦谁告诉　中星6b 经纬度 中星6B的经纬度和仰角!对于唐山市来说!谢谢!大锅的! 各中星经纬度 这句话怎么理解?（英语）我的意思是说第二句如果没有第一句话怎么理解正确Both schools are very nice. And neither school has anything the other hasn't got. 求个语文作文写的好的大虾教教我怎么写好作文,俺是高三的,考试作文老拉分咋办?