丁二醇分子量

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permit sb.to do 是这个用法吗 missing 与lost区别 lost和missing之间的区别是什么啊? lost和missing的区别有的时候做题目,会要在lost和missing之中选择一个选项的,请问这个时候会有什么区别呢谢谢啊,那么有the missing boy的,有没有the lost boy呢? is lost与has lost的区别,如:---Mum,I found my book_______.---Oh,you can get another one,But you must be careful next time.A.lose B.lost C.has lost D.is lost为什么选D?has lost 与is lost有何区别? 语文课堂5分钟展示小故事等,要有哲理的老师把课堂每天留出5分钟,要我们轮班讲故事,能阐述哲理的,或是词语辨析等能丰富知识的,我想要一点出奇制胜的质料,简洁,易懂,有趣,有 圣诞的英文要怎么写 求造句【虚拟语气】用虚拟语气造句~【过去】【现在】【将来】都要【各五句】..共15句,内容积极向上即可 虚拟语气造句!用虚拟语气早四个不同的简单句 用虚拟语气造句(与现在事实相反)motorists speeding on highways ,more traffic accidents reportedif........ L've been to shanghai twice(对TWICE提问) ( )( ) ( )have you been to shanghai? he has from the shanghai last year哪里错了 英语高级句式 英语高级句式求助!两年前我的家乡遭遇洪水灾害,居民财产被洪水吞没.用高级句式如何翻译? 英语翻译 “升”这个字怎么读,急急急!谢谢是 这 个 字 “ 升” , he __(read)the norel twice. how were the people?怎么回答? 一、排序1.nothing / the / he/supermarket/bought / in2.yourself / did/ buy / what / yesterday / you /for3.keep / class / to /everyone / has / in/ a /our/diary4.do/nothing /there/ sleep /is/ to /but5.excited/ seemed/be.my/afternoon/ grandma / to /t 老友记短语求老友记中常用的短语,俚语还有解释.学英语用.我的qq 562455798 He has been__ the book since last September.A writing on B working on C writing at D working at选哪个,原因是? She ___me only twice since last yearA.sees B.was seeing Chas seen D.hevaseen is the way to the People Park (选择特殊疑问词) A、where B、What C、which D、how 请带上原因pleaseA、where B、What C、which D、how请带上原因please How many ways could you help people?what are they?写一篇英语作文.3Q80字就行. 1.()—It has 5.9 million people.A where‘ Dalian B what does Helen like C What’s the weatherlike in Dalian?D What do you think of people in Dalian?2.()—She is friendly.A How old is Helen.B I will,thank you.C The is she like D What does how about the weather the food and the people there 答句how about the weather the food and the people there 那里天气炎热,食物很美味,人们友好.怎么回答 they must look after .things.填什么 My father __________[ready] the novel before. How () the people?A is B was C were D did I want to be you e-mail friend.是啥意思 interesting,an,see,show,did,your,talk,father(?) 连词成句. email my friends是什么意思