含有共价键的化合物

一直主持英语早读用英语怎么说? 进行早读用英语怎么说帮帮啊 Let's sing ____ the birthday party. 高中英语必修一课本的题目,第四页, Lucy is the same _____ as Lily.They're twin sisters. They are Lucy and lily（改为同义句） —— —— are Lucy and lily. Lucy and Lily are twins.they are the s___age. the royal wedding song的中文的歌词是什么 nowadays with the popularity of internet more and more people think that internet can take the piace of books,and thus man can be free to read alltypes of electronic books provided by tnternet 要求：就此材料发表你的感想 有明确的观 with those of more skilled people这里的of可以去掉吗? 为什么? 说明原因,80分 发我份 The Royal Wedding Song.mp3 可以吗, most people tend to identify a pounding heart and sweating palms with the experience of emotion请问怎么翻译 求写一篇英语作文,题目是with the development of social economy,nowadays more and more people holdthe belief that money is an indicator of success.But some others argue that success has nothing to do with the quantity of money one has.Discus I can't go.Because I have so many things--a,done b,to do c.to be done答案为什么是b为什么不可以选a选c呢被动语态不对吗 I can't _ how people live without water .(想象）应填什么 给张简单点的无线对讲机电路图啊 一个简易的对讲机,电路原理和电路是怎么样的, I just want to say a word only a word Do not leave I only want to say.Happy Birthday to you中文意思是什么 《what i have done》的中文翻译 英语翻译、 Do not Say I Love You,only saying that need 韩国say i love you say i need you歌很抒情 女的唱的 不是IF ,love具体歌词有点像我说的标题 但绝对带LOVE开头直接一个女的 很清的唱 I Need You ,Only You ,Forever中文什么意思? The greatest pleasure in life is doing what people say you cannot do.谁能帮我分析一下这个句子成分do是否是多余的？ So much I need to say.For me there's only you.I remember date & time. I don't need you understand, you only need to shut up是什么意思 Believe in what you can become"Happy people enjoy life more什么意思? if you become the richese person in china ,what kind of life do you want to live?三分钟左右的英文演讲稿 often和usually frequently 区分often和usually freguently 的使用?区分? 求泰语的元音、辅音的字母表,是可以打印的!我想要的字母表的格式是这样的例如：辅音：อ ก ด ต ม นor gor dor dtor mor nor无声 g d dt m n这样把所有元辅音罗列出来,主要 泰语元音及辅音的记忆方法写泰文已经很难了记忆更难有什么记忆秘诀都请告诉我