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l saw a big dog yesterday.(对a big dog进行提问) he took his pet dog to the park,yesterday的同义句=He ___ his pet dog ___ the park,yestday David w__ his dog in the park yesterday. Cr3+与NaOH反应先生成灰绿色沉淀后溶解成亮绿色溶液的反应方程式是怎样的?如果再加入过氧化氢，水浴加热使溶液变为黄色的方程式是怎么样的？ 加入过量NaOH溶液并煮沸用来分离溶液中Cr3+与Al3＋.原理是什么吗? 我要赞美春天的春联 新概念第二册第一课重点 哪里有好一点的机电一体化英汉翻译软件或者在线翻译 求一篇关于机电一体化的英文文章（附中文翻译）,4万字符左右 This is the same man_was her yesterdayA:WHO B:WHICH C:THAT D:WHOM 英语翻译 英语翻译2000-3000字 机电一体化,铣工工艺,这两门课程名称英语怎么翻译 谁能帮我翻译一下----吗? He is the clever boy whom I saw yesterday.这句话加上clever对吗 静以修身,俭以养德是谁说的 The boy ____ we saw yesterday is Betty's brother.能用whom填空吗?为什么只用that/who,不能用whom? 英语是机电一体化必考的吗? 谁又机电一体化的英文文章 初一数学每课必练答案 如何快速提高成绩（主要是物理&数学,英语全年级第五） 杜甫的《浪淘沙》中：“暮去朝来淘不住,遂令东海变桑田. 白居易的《浪淘沙》中：“暮去朝来淘不住,遂令东海变桑田”的“暮”是什么意思? The leather was found clinging to the tree.请问这里的ing形式是什么语法现象? 白居易 白浪茫茫与海连,平沙浩浩四无边.暮去朝来淘不住,遂令东海变桑田.意境 puma fur was found clinging to bushes Please give( ). A.her it B.it to her C.her to it D.her for it 《阅徽草堂笔记》卷十六翻译 Our taecher___(spend) two hours____(go)over our homework every day. I spend about two hours a day doingmy homework.划线提问划线是two Paw prints were seen in a number of palces and puma fur was found clinging to the bushes.请帮忙分析clinging为何为进行时 纪昀 阅徽草堂笔记求 纪昀《阅徽草堂笔记》中的 《药贴》翻译内阁学识永公会宁,婴疾,颇委顿.……公镇乌鲁木齐日,亲为余言之,曰：“此鬼可谓谙悉世情矣!”