二级及反应半衰期

丝绸之路讲了什么内容 锨的读音,组词是什么 you was a student three years ago.错在哪? ISSN号怎么查到? 怎么查ISSN如何查询已知刊物的ISSN 如何根据issn号查询国外文献?根据影响因子分数值来进行文献查询,已有issn号,怎麼做? 如何查询书的ISSN 和CN号会计准则导论 这本书的ISSN CN号 主办单位 编辑单位 主编和 主任都查一下吧QAQ.最好还有内容概要介绍 和评价 There ____(be)an exam tomorrow.Tom____(go)over the lessons tonight.He ___(not watch)TV this evening用所给动词的正确形式填空 President Clinton clearly suspects his party have little chance of winning the next election.此句的句型是:suspect+(that从句).还是:suspect +...+of 名 suppose that 从句动词用什么形式上面的人说：我昨天和一个车撞了.下面一个人说：i suppose you ________(drive) very fast .A:drove B:drive C:are driving D:were driving 天若有情天亦老的下句及意思? 用所给词的适当形式填空 1.Hello Kitty ------(wave) to the visitors while she -------(dance) to the music2.The doorbell ----(ring) while we -----(talk)on the phone yesterday. she never brings mail to my parrot 信用证中46A：ORIGINAL PHYTOSANITARY CERTIFICATE SHOULD BE CARRIED BY CAPTAIN OF VESSEL OF EMS请问：1.上面应该说的是两种方式吧?vessel或ems?2.我们的商检正本随船了,银行让我们写一个证明,那么我们在正面中写 Marriage should be founded on love我刚学英语,不知这句怎么解释,请问下这句是不是一般过去将来时,should+动词原形的句子,可是后面怎么又用了动词过去式呢? 在郑州:买初中英语语法大全加配套习题去哪里? live on 后接doing sth 还是to do sth? I Learned many things by doing it (对by doing it 提问) We live by faith,not by sight的意思直译和通俗一点的翻译thanks 请问语法结构 by doing A and do B 还是 by doing A and doing 这里是并列结构对么?` the validity for this offer will be Dec.20th,2011是指报价有效期到20号截止,还是20号开始生效. Thank you for the offer.在美剧中经常看到,能举个例子就更好了. _____is my son.Do you like to play with______?A.you/you B.she/her C.he/him D.I/me Please let me slowly,i need more time to know my heart White anglo-Saxon Protestant Anglo-Norman Period The Kings_____ (watch) TV at home now// 他小时候害怕狗（英 One evening he went to seen a play in his old coat,A t the door of the theatre he was stopped .初3完形填空, 1 Saturday,we went to work on a 2 .we 3 school clothes.Mr li was in an old coat.He 4 funny.It was 9a.m.5 we got there.Then we began to 6 the farmers do farm work.Some of us picked apples and the 7 carried the basket.We worked 8.we were 9 at last ,but i went to the theatre 这里的theatre应该就是宾语对吧? One evening he went to see aplay in his old coat .初3完形填空