乙醛能不能使溴水褪色

I hope nothing has( ) ( ) ( )我希望他什么事也没有 I AM STILL MYSELF,NOTHING HAS CHANGED这句英语什么意思? 党从成立到现在从一大到十七大有多少部党的章程 I think__is a quite diffcult I don't think so,There are__new words in itALesson Nine littleBthe nine lesson a fewcthe ninth lesson,fewDlesson Ninth few选什么,为什么 到底是nothing has happened yet.还是nothing has yet happened.请举个例子. Nothing happened,has been all day. I hope nothing has happened to them为什么要用has为什么不用have who did he borrow this book to哪里错 谁知道中国共产党历史上两次伟大转折其标志是什么? 2、被成为中国共产党历史上两个转折点是指哪两次会议? 新中国成立以来,中国共产党历史上的一个伟大转折是________? Perhaps life final happiness has nothing to do with moral nature most deep p请帮忙用英语表达以下名子,也许一生最终的幸福与心底最深处的人无关! If you don't study hard,you will____ other students.A.fall behind B.fall after C.fall off 选择哪一个 并解释下每个词组的意思和区别. On the other hard ,getting student health insurance in the country where you will study might allowyou to only pay a certain percentage of the medical cost at the time of service and thus you don't have to have sufficient cash to pay the entire bill 在红军长征途中,党中央召开了一次具有重大转折意义的会议,请写出这次会议的名称和意义 NO he said nothing的意思是什么 He has nothing to do ,does he?回答是 他有许多事要做 用yse 还是no A_fool has gained nothing from the time,for he_nothing.A:passing;has paid B:passed;has been paid C:passing;has been paid D:passed;has paid 应选哪个? I study hard ___(为了） realize my dream. -How does he study English?-He studies ______ working with a group.A.in B.by C.on D.to He often helps me study English.中的study为什么不是单三特有形式的studies? — How does he study_______ the English test?— He studies it by making vocabulary list.A.with B.to C.for D.from选择哪个?为什么? 翻译This is caused by the increasing problem of light pollution. 翻译：it is worth exploring other ways of dealing with this problem不要机器翻译的 Little do people take into account the seriousness of this problem. 是什么意思? 翻译argue about these useless problems of this type from zoo how si the it here far to连成词句 This book will show you can be used in other contexts..A.how you have observed B.what you have observed C.that you have observed D.how that you have observed 为什麽选B不选C啊? 句子：He did not look forward to being in debt.的主谓宾是什么? It has two short legs and a big mouth.It is yellow.It can swin.这是什么动物? It has a long neck.It can walk.It eats plants.It has small teeth.是什么动物 i want to take it easy and sing this song for