理想液态混合物

甲乙丙三个数的平均数是42,甲、乙、丙两个数的平均数是39.5,乙、丙两个数的平均数是41.5..求甲丙平均数 学期个人总结怎么写,给我一个案例吧 公务员年度考核个人总结 范例 甲、乙两数的平均数是34,乙丙两数的平均数是39,甲、丙两数的平均数是25.请求出甲、乙、丙各是多少? 选择：-Can I tell my best friend about it?-No,Ido not want anyone else to know.You( ) tell anyone.-Can I tell my best friend about it?-No,Ido not want anyone else to know.You( ) tell anyone.A,will notB,must notC,do not have toD,need notmust not不 my best friend asked me to ------ something about my favourite subject.A.tell B.say C.speak D.talk可是, I want to talk you about my best friend.哪里有错 完形填空开头是I'am a social worker.I want to tell you about Alan, my dear friend的答案 第六题,那是我选的,对了这道应该有95分了. it is true that we do not know what we have got we lose it.选择 A.after B.until C.though 铁道部是不是吃屎的 如题,大家跳跃骂铁道部,给高分~~~ 妈.那.个.巴.子.的 铁道部果然是吃屎.妈.那.个.巴.子.的铁道部果然是吃屎.哥晚上12点查D317的余票,居然出现了灰常复杂的问题.情况如下 谁能用一句话概括铁道部是干什么的? it is well-known __ all that China has the largest population of the world. As is well-known,China has the largest population,中As is well-known 是什么从句 So the scientists there can see the weather of any part of the world and tell how the weather will change.的翻译 scientists have found that even in the sahara,there is rainfall 帮我翻译一下,我翻译出来了但是 people don't know the value of___they have until it's gone.A what B that C which D whose ometimes people don,t know what they have until it,s 人们只有生病了才知道健康的重要 people can't know the value of health until they fell ill此翻译正确么 you tell your secrets to your friend and want him/her to keep them,but he/she often tells others.what will you do?用英语 八年极的 要积极一点的 can you tell me how she ( )that to her friend .A.dare to say B.dare saying C.not dare say D.dared say Tell me about your friend.What's she like What's her name?这段话的意思是什么?要准却的 求英语翻译.Just Say cheers啥意思? 英语翻译Twenty seconds on the back timeI feel you on the run Never lived too long to make rightI see youre doing fineAnd when I get that feelingI can no longer slide I can no longer runAnd when I get that feelingI can no longer hide for its no lo rhyme(押运的诗),怎么用英文翻译? 英语翻译Say no more 关于科学幻想的作文,要一篇为例子 摘抄《童年》的五个片段并赏析 自述作文 什么叫自述作文 作文： 六年级第一单元的作文：编写科幻故事要求800字,