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在图中,光线由同一个点光源发出,试用作图法找出点光源的位置 英语翻译In this paper,we substantialize the general adaptationproblem as a subspace adaptation problem in nonstationaryappearance tracking,where the target visual appearances fora short time interval are represented as a linear subspace.Weanalyze there was nothing ______ a dask in the roomA except B butC besidesD only为什么不选A 如何补充人体中的微量元素? There was nothing missing in the room.同义句转换急用~~~~~~ it was so dark in the room that there was nothing ___thereA,seeing B,being seem c,to see D,to be seen 0-0 绘制地形地质图的基本原则是什么?怎样看地形地质图? 关于地质图求倾角以及倾向请问我这个用走向法求倾角的方法对没啊 为啥我感觉角1和角2差距这么大呢 按理说应该一样才对啊 还有倾向怎么求呢 是正北方向与直角边的夹角么? 地质地形图与地形地质图的区别想问：地质地形图 与 地形地质图 的 区别?有的图纸上写 地质地形图 ,有的图纸上写 地形地质图 ,他们的区别是什么啊? 怎样绘制地形地质图? life的复数为什么是lives? 家里想做阳光房,钢结构阳光房个断桥铝阳光房那个好?我们家想做的是别墅阳光房用什么材料的阳光房最好呢? 铝合金方管框架如何联接,铝合金结构和钢结构哪个好? There is nothing in the fridge.同义句 there is nothing else in the fridge 改为同义句there ______ ______ ________ in the fridge There is nothing in the fridge .改为同意句 有木有人知道人体内微量元素铜怎么补呀? There is nothing else in the fridge,_____?A.is there B.are there C.isn't there Disn't there there is nothing else in the fridgr.there is _____ _____ _____ in the fridge (同义句转换） 微量元素铜是指什么? People who often stay up too late are more likely to die of heart disease.People who often stay up too late are more likely to die of heart disease,______a stady.A.with the help B.because ofC.according to D.as a result选哪个啊.还有这句话怎 汉译Girls in southern Sudan are more likely to die in childbirth than complete primary school How to die more quickly 用物理方法证实铁从单质变为化合物 但是我的父亲认为它是没有用的 用英语怎么说 Fe 单质反应生成的一定是2+铁化合物么?铁的氧化物呢? 使铁单质变为+2和+3化合物的物质有 能氧化单质铁成为+2价的化合物有哪些 people use computer 英语作文初中作文 写好大大的有赏啊 the use of computer 英语作文 60词左右我是初一的,对电脑不太熟 use computer和use the computer哪个对 The future computer英语作文 急求!初一水平的,谢谢