cad2007侯老师作业

谁能把初三化学刚入门时的实验现象帮忙总结出来?比如制氧气、二氧化碳以及磷、镁、铝、铁等氧化反应的实验现象 初三化学的所有方程式及实验现象 下列实验能观察到明显现象的是：A硝酸银溶液滴入氯化钠溶液中B稀盐酸滴入氯化钠溶液中C氢氧化钠溶液滴入硝酸钠溶液中D硫酸钠溶液滴入氯化铜溶液中 初三化学中实验现象和本质如何区分? 初三化学电解水实验的现象及结果写清楚点,我抄在课本当笔记的,不要怕多、有多少写多少哈 96.94264.43.64.986.24.64.94264.62中文意思是什么 初二英语首字母填空一道But as the Earth turns you away from the Sun,everything around you grow d___ 96 94264 64 53 983 密电文 首字母填空,1到10初二英语 96 94364 33 436 94264 64是什么意思呀?谢谢! 生命中的另个她翻译英文 2008徐汇区初三化学第一学期期末质量抽查试卷答案 求初三化学第一学期期末质量抽查试卷答案上海市奉贤、普陀、松江、虹口、嘉定、闵行初三化学第一学期期末质量抽查试卷答案 只要普陀区初三化学第一学期期末质量抽查试卷答案.别的不要 兄弟姐妹们速回啊. 静安区09年初三化学第一学期期末质量抽查试卷哥哥姐姐帮帮忙 924 24 94264 64 96,9436,946,94264,384,64,7486,96,24,64.急 你还有我 用英语怎么说?快 放弃吧 你还有我 英语怎么说 "亲爱的,别对爱失望,你还有我." 请问这句话的英文要怎么说呢? 求北京市西城区2008-2009学年度第一学期期末测试 崇文区2008-2009学年度第一学期期末统一练习 同上! 求答案 北京市宣武区2008—2009学年度第一学期期末质量检测初三语文 北京市西城区2008—2009学年度第一学期期末试卷初三英语试卷 “当进则进,当退则退”的英语翻译 希望有英语高手来帮我纠正一片英文的翻译文章在我的空间里,点击链接就可以看到了.翻得不是很好,希望大家给找找问题.还有就是第一段中有一句“We may divide the whole struggle of the human face int 英语翻译1.The President came under attack from all sides for his inability to tackle the country's severe social problems.2.The second part of the book decribes the strange sequence of events thats lead to the King's fall from power. 3单元的试验题有哪些?实验题 英语翻译要人翻译,不要机子翻译, Tom Smith was a football coach (教练) at an American middle school,and he was a __________(1) trying to find good players.But it was not easy because most of the players were not s__________ (2) enough to be accepted by the school.One day a math te 根据首字母填空I'd i____ the popular singer to youIt's hard to find it out.There is only a s___ difference between.Finding jobs is a s_____ problem for you.The populatian of the world i＿＿＿　very　　fast 一道九年级英语首字母填空His mother is very a________,it seems that she can do everything easily.