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太阳黑子的变化有什么规律?或特点? this is ___the term it rains cats and dogs has come into usewhy how because because of Childten can learn________ things from TV programmes.A.good and bad B.good or bad Cold sweat 什么意思 :fearful::cold_sweat::cold_sweat: 如何检验银离子、碳酸根离子、碳酸氢根离子、三价铝离子 Boneshakers的《Cold Sweat》 歌词 face with cold anything from to和everthing from to_____from cups to DVD players become people's favourite.答案是everything,但为什么anything不可以?读上去都差不多烦请再说一下两者区别 no one can learn () from school .A something B:anything C:nothing D:everything 用所给词的适当形式填空 I was ______(care) not to say anything about it to Mary.拜托了各位 谢谢 why do you like to be a doctor是一道口语题，要有中文翻译 Last year,however,it came into use.翻译,并解释came into 的含义, But for some reason it could not be used then.last year,however ,it came into use.这句话里能不能把then后面的句号写在then前面?为什么? what are the three factors that you must consider in order to decide if there is an organizational opportunity?and why There are many factors that account for the phenomenon.这句that能否省略 There are usually certain elements in the procedures that are similar.中that引导的是什么从句?怎么翻译? A woman in jeans stood at the window of an expensive shop.这个句子的 主语：A woman in jeans ,谓语动词 是 stood,at the window of an expensive shop 是做什么成分?（①） 主语 A woman in jeans 中的 in jeans 做什么成分,是什 一张方桌由1个桌面,4条桌腿组成. I think my ______ is a good oneA.class B.family C.home My bike is old,it is in goodMy bike is old,it is in good condition.A.therefore B.so C.nevertheless D.moreover GIS里找不到要素转点功能 如何将地理要素转换成地理信息系统的地理信息 back to 请问GIS中元素和要素分别指什么,有什么区别希望大虾来指点下 waters色谱柱如何活化 国内哪家公司卖沃特世Waters色谱柱色谱耗材?国内哪家公司做Waters的色谱柱 色谱耗材 价格最好 有优势? 色谱柱waters symmetry 没用多久就拖尾?怎么冲也不行, Waters Symmetry Shield RP18 是什么色谱柱啊? 谁知道啊?急! 电子产品的电磁辐射安全标准问题都有些什么啊, 英语翻译The assault on Lancaster came several months into King Philip’s War.想知道这里面came several months into是什麽意思,是说这次袭击在这场战争中持续了几个月,还是说是在这场战争开始几个月後发生? 电磁辐射的v/m是什么意思呀