aninsect

一个男孩站在一块平面镜前1M,刚好在平面镜中看到他身后墙壁完整的像.平面镜长0.8M,离地1M,墙壁相距3M求墙壁高度 求圆X的平方+y的平方=4和(X-4)的平方+y的平方=1的外公切线的方程及外公切线段的长度.帮算下, 身高为1.6m的东东站在镜子前3m处,此时镜中像的高度为多少初二上册物理第二章第三节 they have some ___ (money).Please go and help ____ (they).用所给单词的正确形式填空. 用所给词的适当形式填空.1、Please[][help]me do housework.2、Do you have[][some]question? 一“抚摸创伤”为题的作文400字左右 以抚摸创伤为题写篇600字左右的作文, 谁给我一篇题目叫抚摸创伤的作文? 作文 抚摸创伤谁会写,多谢了 求一篇摸女生胸部的作文 求这道高中数学题的答案,要文字说明过程.设全集为R,集合A={x|(x-1)(x+m)>0},且大写CRA=[-1,-n],则m+n=(?) 怎么分析这个句子Like I always said,you look just like grandma.like这个此是介词吗,如果是宾语应该是名词或名词性短语；如果不是,难道它是连词? said的过去式 said的过去式和过去分词是什么? They need us( ) (help)them. 看看这句话对不对now they're in need to help them直接讲now they're in need.可以吗 I Just Said Out,just want you know用英语怎么说 求用向量法解决此题的2.4.5小问, 绿色彩妆创意说明怎么写?因考试,求绿色彩妆创意说明! 菊花摄影创意说明怎么写 什么是创新方法 伏特加打开以后该怎么保存,可以保存多久? [求助]歌词中有so it is,just like you say it would be ,life goes……的歌名是?是上海ICS频道Screen Talk节目的结束背景音乐~是一名男生独唱的,配有吉他伴奏,很缓慢的旋律…… I would have just said 连词成句 第一题：a programmer want I computer be to 标点：.第2题：a is shop to next your home继续第2题：coffee there 标点：第3题：does do what want there to he 标点：第4题：unciIe it‘s because my exciting likes swimmi 连词成句,shopping house next the his is to mall 航天员杨利伟说：“飞船飞行良好.我自我感觉良好.我为祖国骄傲.”（改成转述句 救世主怎么翻译 -Can you repeat what I said just now?-Sorry,-----.Would you please say it ag-Can you repeat what I said just now?-Sorry,-----.Would you please say it again?A wasn't listening B haven't listened我想知道B为什么不可以 ]急]It is said that health is just like the number"1"什么意思It is said that health is just like the number"1"什么意思Without which all the "0"s are meaningless. 英语翻译一句歌词 一句翻译, 说明性文章是什么意思