半衰期

z^2*im(z)的导数 英语翻译我去过北京,我去过北京三次我认识你爸爸十年了.我十年前认识的你爸爸.我十年前见到你爸爸时他正在教英语课.小孩一小时前入睡的.Fell asleep one hour ago小孩正在睡觉.他已经睡了一 Peter is a naughty boy.He often _____(throw)rubbish on the floor.Look!He is ______(throw)it now.用所给词的适当形式填空. The protection of our environment is not ____to be left to the government.Everyone should be concer their culture stresses that,“It is OK to learn”.“It is OK to learn”.怎么翻译好呢? Accordingly,this etiquette is only for men rather for women,who also wear various hats,though.翻译 单词真功夫真的有用吗?井冈山大学 有用过单词真功夫的吗?有什么感受?那部分觉得很有效,很明显? 改错:I will go there I am most needed by our country I will not be a teacher.be也可以写成否定形式,为什么要在will后面否定 I will be a teacher .I can be a teacher.什么区别啊? will you go _____our motherland needs us most after graduationA.thatB.whereC.in whichD/to the place which Paul has a pet parrot named Smarty.的同义句Paul has apet parrot ___ ___ ___ Smarty.(填空) Paul has a pet parrot named Smarty.的另外两句同义句是什么? Paul has a pet parrot named Smarty.的同义句:Paul has a pet parrot ___ ___ ___ Smarty. it is a good idea to remember one or two words a day 还是 it is a good idea to remember one or two word a day it is necessary for you to remember some usefui words and e 请问历年来（2000年到2011年都可以啦）的空中英语教室视频现在在哪里可以看到呢?好像土豆优酷上面都被删了……郁闷 求一句话的语法分析和句意 英文Just consider,it was but one minute that she left school,and the impressions of six years are not got over in that space of time.请问这句话中but怎么讲?整句话怎么分析和翻译? 有关于英语句子的语法分析,句子一,But I really had no idea that what Jean has done that Russ should treat her like this.Jean worked just so much as she was told do.这个句子中共有两个that,第一个that 、第二个that中间夹 这句英语歌词从语法的角度应该怎么理解I enter the room sat by you bed all through the night Is it "breathe the fresh air" or "breathe in the fresh air",which one is correct?不是翻译,是问这两个短语哪个是正确的.... I greeted to them in English and then we began to chat.改错题（也可能没有错误） The little town is very scenic ______ the air here is very fresh A.and B.but C.or D.so Jill often helps her mother with housework?改成_______ ______ Jill often ____ with houework? We can know from the book the air is very fresh 这句话有没有问题如果要改成我们可以从书中知道以前的空气是很新鲜的怎么改 we went on __ __(study) after we had a short rest是to do 还是doing啊为什么 there is a man standing at the gate.= there is a man who is standing at the gate.前一句是现在分词做后置定语.后一句是定语从句.我理解的对么? You must bring your book( )this anternoonA.to here B.to there What a nice day! The sky is biue.The ciouds are white.The air is fresh.Igoto__withmy__.___________________________________________________________________________________________________________________________________________________________________ 请问 王志民 ,用英语怎么拼写,最好英文名最好与中文名发音一致,争取英文名与中文名局部发音一致,谢谢最好英文名最好与中文名发音一致??? 如:张雷 -- Ray Zhang The cucumbers （ ）fresh.1、is 2、are 3、am