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Water for analytical laboratory use-specification and test methods, therefore在句子中的成分是什么?为什么前面有逗号后面也有逗号像however一样起什么作用 however,nevertheless,still,therefore,hence,all the same都是副词（词组）,为什么可以做连词使用? A logarithm is( ) in algebra as an exponent a known what b know what it is c what is konwd.what it is know 选什么,为什么啊, 英语单选：1292``It is quite necessary to know what you feel likeIt is quite necessary to know what you feel like ___ better able to deal with him or her.A.to beB.beingC.isD.be为什么? The students____ went to the zoo but _____of them had water with them.A.all,none B.both,all C.all,neither D.neither,all选哪个,为什么? Husband,whatever you do I support you.if you didn't think here,that found an another work.I wou谁能帮我翻译下 help!I __ with you because I was in London at the time.A couldn't go B couldn't have gone C shouldn't have gone D needn't have gone Remember to honour me,protect me,and own me,no matter what happens,will you? The _____ (cheap) bags are the not usually the best ones.该填什么 —look,what have you done?—Sorry,I think if I _____ another chance,I'll do it better.A.give B.will be given C.will give D.am given 为什么我文章很好却被sci杂志拒绝了呢 材料安全性评价的文章可以投哪些SCI杂志 一个基因的表达量在花中较叶中的量很少,我取花作为材料,会影响设计的引物与这个基因的扩增量吗 什么公司设计引物比较好 让公司设计引物都需要提供什么材料 SO need SO miss 帮下忙 How long does it take you to the lake?It's (ten minutes')drive.括号处为什么会多了“一撇”,去掉“一撇”哪里错了?求原因~ i will count three hundred and not one of you__move a muscle?A:is to B:are to C:is D:are 句子讲解 not one of you is to move a muscleto 干嘛用的 count to three next day和 the next day 求翻译!in the first-class carriage on a train 锁相环的工作原理是什么? they ____ an english evening next sunday.请说明为什么这么选的理由,they ____ an english evening next sunday.A.are having B.are going to have C.will having D.is going to have请说明为什么这么选的理由, where is my key （）my bike?填介词. This is the key_____my bicycle.横线上填什么介词,请说明理由,急用． She said she ____ on a picnic if it ___ the next dayA.will go；doesn't rainB.would go；doesn‘t rainC.will go；isn't rainD.would go；didn't rain还有理由 Are these his pictures 作否定回答 these are his uncle.改为否定现在就要打案 Are these his jacket?做出否定回答!谢谢 )39.— Is there a football?— Yes,there is _____)39.— Is there a football?— Yes,there is ________ under the bed.A.it B.one C.that D.this There is a football field in my school.（改为一般疑问句并作简单回答）