一个圆的周长是6.28分米，半圆的周长是

重铬酸钾 锌粉 发生了什么反应重铬酸钾加过量锌粉,加热 发生了什么反应,现象是什么,放置一段时间后又是什么现象,发生了什么现象难道你也是USTB？？我是材料的 英语翻译一定一定要回答！ 英文翻译al though much of this world but a girl i love you Stamps______(use) for sending letters before.But now people ______(be) useed to _____(use) e-mails. I'D Be Broken 歌词 I hope I would never be heart-broken!谁能帮我翻译一下? break down 与 be broken 的区别 All dogs have four legs还是All dogs has four legs. what.are.your.hobbies?答语是什么? Are you () Yes i amA a musician b musicians c musician d AandB Are you free Yes,I am,A .on this SundayB.in this Sunday.inC.this SundayD.at this Sunday我不知道哪个是对的... 问:Are you( 括号中填什么,回答才是Yes,I am.A：Are you ————————?(横线上填什么)B：Yes,I am. 皮筋泄力什么意思 皮筋力尽的尽是什么意思的呢? 用皮筋测力的劣处?与弹簧比较! What's your plan ____ the next term?A.to B.ofC.for D.in能给出对正确答案的解释更好. People admire MotherTeresa because she___everything for-__.A gave up;the others B gave;the other C gave up;others D gave;others I wonder how she made it 还是how did she make it? dogs have been running after cats ever since 翻译成 Whose bags are these?——Bob,Michael’s and Tony’s bags are black.So Ithink（ ）are（ ）.用适当的代词填空 完型Cats and dogs have different ways of these shoes are black（black为划线部分）对划线部分进行提问 cats and dogs have always been natural——(敌人) Are you new doctors?-yes,() A I am B we are C we're B和C有什么区别吗? Are you new doctors?-yes,() A I am B we are C we're Our school life is ---(colour ) and interesting.Trainers are ---for a trip.No hurry .We ---have some more minutes.A always B also C already D still cats ang dogs have different way of ( ）their feeling Mr.White is from Englang.He is _____ 急. Where is Mr.Li from?3QWhere _____ Mr.Li _____ from? 今学少一笔是什么字 谁知道Cats like to eat fish.这一题怎么问（必采纳） very fish like cats much 连词成句