中国直升机设计研究所

My uncle______from the hometown for 5 years.We really miss him A.has left B.has been away 为什么A是错的,B是对的?A是过去完成时,而B是过去完成进行式啊,按B说的那么他不还在出国吗? 过去进行式如何理解? women's day is on march 8th.（对on march 8th提问） _____is women's day? Women's Day is_the 8th of March.里面填什么A.on B.in C.at 分别什么情况用接地配电网和不接地配电网? The eighth day of March is （the Women's ）day. 句中,如果理解为妇女们的一天,women应该小写才对吧.如果women大写,应该表示节日,前面不应该加the吧,请高手指点 333*332332333-332*333333332的简便运算是什么?形式彻底的赌东道 333×332332333-332×333333332=写出简便过程 为什么what type of questions后加are而不用is 比较匀速直线运动,匀变速直线运动,变加速直线运动 妇女节除了英文用Women's day还能用英语怎么讲? 中压配电网中性点接：市中心为什么要经低电阻接地?我是想问为什么要进过低电阻呢？ 请问专利合作的定义,目的和意义各是什么 英语中女人是woman 三八妇女节是women's day woman和women一样吗? 妇女节英文是women's还是womens'快 急 不要把污水直接排入河流英文怎么说 I would rather work hard at home than go to the cinema I'd rather watch TV at home than go to the cinema.改同义句I'd rather watch TV at home than go to the cinema.I prefer _______ _______at home _______ ______ ________ the cinema 蚕的幼虫和成虫样子是完全不同的,这种变化叫做什么 从卵里出来的什么是蚕的幼虫,什么是蚕的成虫.蚕的一生经历了什么? 蚕的幼虫在生长过程中要经过几次蜕皮,这些皮实际上就是蚕的________急呀!如果有谁给出正确答案,我会给他加悬赏分.而且还是重重有赏! 企业特征是什么意思 “简单找你特点”是什么意思? 修改病句：约有360亿吨的生活和工业污水是不是吧生活后面加上污水?如果不是,怎么改啊, 连词成句 is day women's eight march There is a bed between the (shelf).March (eight) is Women's Day. tRNA的空间结构有何特点 RNA除tRNA外,无空间结构? 雅思相关填空my test number is 1253.my name is ivy.and i think there is some special meaning for it ( ).The kind of food that i like would be( ).you know,it is just( ).besides that ( )is also my favorite.i like it because ( ).in my opinion,( )be Huangguoshu Waterfall is __(wonder).填空用所给词的适当形式填空. 雅思填空 大意对 给分吗比如,参考答案是：poor sound quality,我写的是 poor sound. 雅思试卷上的信息填空.名字.日期那些名字是用中文填还是英文.姓在前面写还是后.试卷号写哪儿