rna的基本组成单位

钟表夹角要公式 要考虑时针移动 时钟夹角请问除了6时和9时,还有其他时针与分针形成90度角的时候吗? 求时钟夹角是多少度 we don't know how to do that.We don't know what makes us laughhow 后边为什么加 to 而what后不加呢 I don't konw_____my broken bike A.what to deal with B.what to do with 独体字或难检字可以用什么查字法 难检字是独体字吗?它们有什么区别? where are you sending your letter是什么时态,为什么sending后不加to 翻译一句话if you are sending your letter far away,write on the envelop that you want them to go by air. 求一篇以 “If I were an inventor”为题的演讲稿,100字. 英语翻译 【双调】沉醉东风-关汉卿的译文咫尺的天南地北,霎时间月缺花飞,手执着饯行杯,眼阁着别离泪,刚道得声保重将息,痛煞煞教人舍不得,好去者,望前程万里. i wonder what the woman tourist means ___saying that A.forB.byC.withD.to 英语影子跟读跟不下来怎么办?口译的进来影子跟读练习,我最近才开始练习,发现跟读往往跟着跟着就跟不了,有的词特别难念,还有我要不要录音?怕自己发音也不对, 沉醉东风关汉卿的解释今天现在就要 什么是影子练习 什么又是catti口译啊 哪里有他们啊?我记忆力还是不错滴 单词看一下就能背下来 还要通晓天文地理才能做同传吗? 沉醉东风 关汉卿的赏析 求(关汉卿)赏析! NO,LDIDN'T.L_________(WASH)MY CLOTHES AND_________(CLEAN)MY ROOM. 关汉卿《四块玉别情》翻译 John____clean the living room and wash his clothes选择 A.have B.has to C.need to D.needs 解释这句话：What happens is not as important as how you react to what happens. pls kindly check/adv where & how to send the sample for your receipt. would you like to together fuck with me什么意思?谢谢了,大神帮忙啊 Somebody That I Used to Know是什么电影主题曲 推荐类似somebody that i used to know的歌这首歌旋律明明挺轻快,听起来却透露着淡淡的忧伤,听着太舒服了 ,歌词也写得很好.能推荐类似的英文歌吗大家? 多读书是有益的.It____ ____ ____ ____more books. 世界上有几种查字法 I don't like doing the laundry.(改为同义句) 我的朋友中有许多人喜欢读书.（）（）（）（）like reading books 把英文翻译成中文If people can not see if he also will forget those fragile 如何锻炼自己的口译能力?介绍一下大家的经验··一定要是业内人士!