北纬40度穿过的地形区

在△ABC中,向量AR=2RB,向量CP=2PR,若向量AP=mAB+nAC,则m+n 求一篇有关困难的英语文章要求能演讲有技术含量注意是英语 伊索寓言农夫和蛇告诉我们一个什么道理? 求翻译,.You get there early 各类太阳活动的内在联系,如太阳黑子多,耀斑也多是怎么回事? 一段英语短文章我有几个问题麻烦大家看看William S.Hart was,perhaps,the greatest of all Western stars,for unlike Gary Cooper and John Wayne he appeared in nothing but Westerns.From 1914 to 1924 he was supreme and unchallenged.It was H 麻烦翻一下英文作文- -~~千万别拿电脑翻译...!题目：The environmental protection at home要求有这几点：该做的：use solar water heater,collect paper and bottles ande sell them.等等..不该做的：use electric water heater 清澈的眼睛用英语怎么说 清澈用英语怎么说? 她仍然拥有清澈单纯的眼睛,用英语怎么说? 草是绿的,树是成阴的,水是清澈的 用英语怎么说 英语翻译中间只有两个空..... what has she/he got?翻译成中文是什么啊? is there any difference beteen your ieda and ___选择1.he 2.his 3.him 4.her说出原因 设P是三角形ABC内一点（不包括边界）,且向量AP=mAB+nAC(m,n属于R),则m平方+n平方-2m-2n+3的范围是?答案为（3/2,3)详解 When is the Mid-Autumn Day?_________________________ 因为湖水很清澈用英语怎么说?作文需要 湖水清澈用英语怎么说 Our Engush teacher leaves the classroom so quickly.She___have something important to do.A must B can C mayD will When is the school film on?It's on ____ Friday evening.on ,in ,at ,toIt's on 前面都有了个on了，再加多个上去不觉得多余？ did you go out ___friday evening A.in B.at C.on D.for You can kiss your family and friends goodbye and put miles between you ,but at the same time you carry them with you in your heart,your mind your stomach because you do not just live in the world ,but a world lives in you. 英语翻译四、送礼方式天壤之别送礼是人际交往的一种重要形式,中外商务人士都讲究送礼以增进友谊.然而,中国人和西方人在礼品选择及馈赠礼仪上却各有千秋.在中国,虽然嘴上说着：“礼 When you get up in the morning,do you find it hard to choose what clothes to wear?If so,you probably need help making the bigger choices in your life,like what to do when you’re older."Brave New Girls",by American author Jean Gadeberg,will help you 英语翻译As I know more of mankind I expect less of them,and am ready now to call a man a good man upon easier terms than I was formerly.---Dr Samuel JohnsonHuman nature is the basis of character,the temperament and disposition; it is that indestr is the air fresh连词成句 请问will和can都表示能力的时候有什么区别吗?WILL表示能力的时候有一例句This tree will live without water for 3 months.CAN表能力的时候也有一例句He can sing very well.那么题目The table ____ stand up.A can't B won 德语初学者的问题小弟遇到几个自己觉得比较另类的句子,1、一个人说跳舞太累人了,叫做Das ist mir zu anstrengend,这个Das ist mir 2、Sehr nett bist du heute nicht.为什么要倒装?说Du bist heute nicht sehr nett或 表可能和预测will not 和can not 区别Somethings is wrong with the door; it ____ not open.A.will B.should C.can D.could为什么选A不选C?在这里will和can有什么区别? 德语初学者问题《基础德语》同济版,每课后的单词表中,单词下面的aeiou有个点,单词后面跟个注释有个'-' 或者 '-s' 或者'-e' 或者 '+A' 或者'-n' 我听说和复数变化有关,可是这有什么规律呢? 德语 初学者 Können Sie uns kurz besuchen?kurz的用法说明下 could would can will表可能性有什么区别呢the bus____ seat 50 people.A.will B.would C.could D.canwill和would不是也可以作为可能性吗，而且can好像不可以用于肯定句，如果用的话只能表示理论上的可能性，