如图，已知，点B是线段AC上一点，点M、N分别为线段AB与BC的中点，若AC=10cm，则MN=__

有一个Mv,是长发公主看灯开始的,不是i see the light,那首歌曲比它更唯美,求歌名 歌曲:traveling Light整个歌的歌词是什么意思简要的. 这蝴蝶是什么种类的蝴蝶. When you cry 是什么意思凤凰传奇 蝴蝶种类请高人来帮忙看一下这是什么品种的蝴蝶. you so ugly when you 蝴蝶分几种种类? she talks less in front of lots of people.he is t__of speaking in pcblic填什么? I feel nervous speaking in front of many people问下为什么用speaking啊,为什么不是speak I feel very n_____when speaking in front of a lot of people. You have never stood up in front of other people and given a speech,_____?反义疑问句的问题. ()1.She ( ) speaking in front of many people because she is too shy .A.is good at B.enjoys.()1.She ( ) speaking in front of many people because she is too shy .A.is good at B.enjoys.C.is afraid of()2.We should ( ) ourselves .A.take well care ofB.take Be the light 歌词 Run Through The Light歌词中文意思 hit the light 为什么有人说是关灯有人说是开灯 《老友记》里（Hit the lights,please.）是帮我关上灯 There----(be)a few ---(book)in the school bag do you k---- robots?there are a l---- of robots in the worldnow.some of the robots can walk ,singand dance.some can talk w---- people.most of them can do heavy work.in a few m---- years,a robot will be able to d---- a car,a train,a ship or a p-----. I have yhree pencils, one is red and ___ are green A another B the other C the other two D others ( )I have five colour pencils.One is red,___is blue and___are green.Aanother ;the other Bthe other;others Cothers;the others Danother;the others I have five colour pencils.One is red,another is blue and ___ are green.为什么不能用other,它也可以作代词,the others 和 other 有什么区别 I have two pencils.One is green,and___is red.A.one B.other C.the other D.others the book tells of an interesting story about plants中OF的意思我对OF的用法不太了解 the only problem was that millions of the people had the same ideas contact sb 与 contact 的区别He contacted me as soon as he reached Shanghai.这里为什么不能用contact with me ,是不是因为一个是“取得联系”,而另一个是“经常性的接触,联系” 与某人联系用contact sb语法上有没有错?（急）contact with sb是标准用法，但是contact sb这样有没有错？ come into contact with sbsb 可以改成sth get into contact with sb是什么意思,造两个句子,谢谢~ Green is ____blue and yellow.A.mixture of B.a mixture of C.mixture in D.a mixture in选B 想知道为什么 谁能帮忙下Blue And Yellowand it's all in how you mix the two,and it starts just where the light exists.it's a feeling that you cannot miss,and it burns a hole,through everyone that feels it.well you're never gonna find it,if you're looking for i blue and yellow is Suddenly I 49 Janie wasn’t only a bus driver.That was just her job.She had a whole world of 50 and concerns,too.I suddenly felt very selfish(自私).I realized I had only thought of people as far as what their purposes were in my life.I paid no 51 What I miss is only the old streets,not the people.语法大致是怎样的?