m=（-3分之根号3）×（-2根号21）

Lily is come from the USA.中什么单词错了 地球公转=地球绕日公转吗 both and 的同义短语是什么? 选出同义词 There are many trees on （both sides） of the streetA.all sides B.every side C.neither side D.eithe side为什么选D?eithe是指两者中任意一个,both是指两者都,他们怎么是同义呢? on both是词组吗 如下图,已知：AB∥CD,∠ABF=∠DCE,求证：∠BFE=∠FEC 如图,AB∥CD,∠ABF=∠DCE,求证：∠BFE＝∠FEC. 已知:AB∥CD,∠ABF=∠DCE,求证:∠BFE=∠FEC AB‖CD,∠ABF=∠DCE.求证∠BFE=∠FEC 一道数学不等式的证明题求证：根号下的a方减b方 加上 根号下的ab减b方 大于 根号下的a乘以（根号下的a减根号下的b).貌似作差是做不出来了.那么用分析法写应该可以.但证明了一半证明不下 both sides of the aisle在布什的演讲中常出现,如.I asked members of the House and Senate from both sides of the aisle to join me in confronting the great challenges before us,so we can build a future of hope and opportunity for all Americans 【----】of the street are full of people.A.All sides B.Both sides C.Neither si选什么 为什么 如何翻译英语成语 a politician often "speaks out of both sides of his mouth"? 微风猛烈地吹拂着河边的柳树(修改病句) 湖边柳树低垂的枝条被风吹得迎风摇摆,修改病句 今天下午刮了一天大风,把运动场上五颜六色的红旗都 吹倒了.改病句 求一个三分钟的大学励志演讲稿 will,have,you,dinner,time,what.连词成句 What time do you have breakfasf?怎么回答 用were造句were放在开头 用were造句要加过去时 怎么把一般现在式改成过去式 用过去式和一般现在式 以朋友为演讲话题的课前3分钟演讲稿,我是高一新生 The fox walks away with an air of dignity.应当如何翻译,an air of dignity怎样理解? To leave ,but with dignity! 怎么翻译? That's the way we do things in this country - quietly,with dignity.It's what the rest of the world has always admired us for.这段话怎么翻译比较好,选自 女皇. they're,from,the,come,twins,but,China,London,now,in(连词成句) was和were造句!每个词造3个句子,分别是疑问句,否定句和肯定句.然后每个词要做这样的3个句子5次（不同的）! 用they,come,China,did,from(?)连词成句 找错：1．Those derrs are drinking water in the river．2．They come from different country．这是我在 《小学英语综合能力天天练》六年级发现DE!Help me! 如图,已知AB＝AC,∠APC＝60° （1）求证：△ABC是等边三角形.（2）求∠APB的度数