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怎样除去氯化钾中的杂质硫酸铁? 旋转蒸馏的温度如何设定 The whole world is fighting against the H1N1,a disease _____ has caused many deaths.A.who B.whichC.whom D.what选什么呀 The whole world is fighting against the H1N1,a disease which has caused many deaths.怎么译? He is much against my proposal.请问这句话怎么翻译, but many countnes ofthe world now protect themand in these places it is against the law to kill the有谁可以帮我翻译为汉语 有X ,Y两种元素,原子序数小于等于20,X的原子半径小于Y,且X.Y原子的最外层电子数相同（选项中m,n均为正整数）.下列说法中正确的是A 若HnXOm为强酸,则X的氢化物溶于水一定呈酸性B 若X元素形成 16．有X、Y两种元素,原子序数≤20,X的原子半径小于Y,且X、Y原子的最外层电子数相同（选项中m、n均为正整数）.下列说法正确的是 （ ）A．若X(OH)n为强碱,则Y(OH)n也一定为强碱B．若HnXOm为强酸, 有X、Y两种元素,原子序数≤20,X的原子半径小于Y,且X、Y原子的最外层电子数相同(选项中m、n均为正整数).下列说法正确的是：（ ）B．若X(OH)n为强碱,则Y(OH)n也一定为强碱D．若Y的最高正价为+ m, the moon is not a planet ___the planets in any aspects.A.although it resembles B resembling C resembled选哪个呢?为什么呢?为什么呢? 亲戚最近送了一盒土凤梨酥,说台湾的凤梨酥很有名,到底土凤梨酥跟凤梨酥有什么不一样? 居住区规划用地平衡表是什么意思 什么城市居住区用地? She want me ______(help).请帮我填一下这一空 城市居住区规划设计规范 表6.0.3 共服务设施控制指标 总指标 上面一行和括号里的指分别是什么意思? 居住用地和居住区用地的区别是什么? 有A B C D E原子序数均为钱20号的五种元素 有变形金刚里”autobots,transform and roll out”的铃声吗 roll out there are 34 tiger fish in my fish tank,there are 87 stripes on each male fish,29 on each female fi我不是要翻译,翻译我会,我要的是解答的结果.奇怪，怎么英语题一次都是发不了完整的题目，都得补充。下面是完 Andy falls down () the ladder because he is not careful.介词填空谢谢. 这个英语诗的题目和作者是谁啊,There is no reason to carry the darkness：today is a new day your tomorrows are as bright as you want to make them There is no reason to carry the darkness of the past with you into today Today is a wonderf There‘s no reason(come) to school late today适当形式? release complete是什么意思 大海沸腾了如何扩句 .海在远方喧腾扩句 【THE STUDENT WHO ASKED QUESTIONS】课文翻译 the student who asked questions 这篇课文的翻译 用photoshop制作物品移动轨迹其实就是想做个盒子(很俗套的画面)然后里面喷出来很多星星(更俗套)可是这个星星..边缘不规则.而且要有从小到大的轨迹...有没人能教一下...请稍微说的详细点笔 《懒惰的智慧》中懒惰的含义是. 我国为什么洪灾频繁