库仑力有关的公式

He asked me ________ she would come back soon.为什么中间要填whether? she didn't know—— she would go there?A、what B、who C、if D、where 有什么能快速记起英语单词的写法 英语翻译The file for the toolbar doer not exist .Plese reinstall styler. 英语翻译1.pollution impact biological systems across many scales — from the level of the individual organism,to populations,communities,and ecosystems .2.increasingly larger economies to support economic development and rising standards of livi 请教这句英文啥意思?thank you 热爱生命的故事是植物和动物的 各种动物或各种植物之间会发生什么事 动物与植物之间关系密切的故事 翻译But she didn’t know where the post office was翻译 But she didn’t know where the post office was. ——Has helen arrived yet?——Yeah,but I didn`t know she——until yesterdayA.will come B.is coming C.came D.was coming She wanted to be h__ very much.But she didn't know what she s__ do. She didn't tell me what she had done, but I know it though.看到网上上面这样的句子.想问这里but和though可以同时使用吗?这不是语义重复吗?请用权威字典等资料内容给出解释.谢谢!我需要的是对我的提问的 谁有《考研英语词汇红宝书》的MP3?2014版本的， 求《【红宝书】考研英语词汇（必考词+基础词+超纲词）的MP3!2014最新版的带字幕的? 考研英语词汇红宝书好吗 what is happening outside(用she didn't know 作主句) with her eyes_the work attentively,she didn't know what was happening outside.A.fixed on B.focused C.fixing on D.focusing She didn't know________.A.what she could do itB.what to do itC.what she can doD.how to do it He didn't know what was happening outside为什么用进行时 he didn not know what was happening outside为什么这里不用happened 我觉得应该是被动关系 英语翻译看来没有人知道发生了什么事._____ ______ ______ _______ ________ knew what had happened. 十二生肖中圣诞节是什么生肖 在十二生肖中,比较好的和比较差的生肖分别是什么? 十二生肖中哪些生肖比较好?哪些生肖不太好? 十二生肖传奇中四个生肖经过了哪些国家?分别发生了什么事?就是星虎,米俊非,雪怜,小鱼儿他们四个,寻找其他生肖的过程中经过了那些国家?分别发生了什么事?（事情的过程写米俊非的,他怎 She visited the Great Wall this summer holiday. The old lady didn't know ( ) when she lost her wayA.how to doB.how to do itC.what to do D.what to do it 有一只鸟和两只猫在树上用英语怎么说是用there is还是there are? 会攻击人和动物的植物有哪些?都生长在哪个地区? 植物大战动物 怎么打死狗熊 动物的和解能力