滴定填空训练1. (1)(2018·全国卷Ⅰ)Na2S2O5可用作食品的抗氧化剂在测定某葡萄酒中Na2S2O5残留量时取 mL葡萄酒样品用 00 mol·L-1的碘标准液滴定至终点消耗 mL滴定反应的离子方程式为 该样品中Na2S2O5的残留量为__ __g·L-1
填空题训练1一个三角形的两个内角分别是46°和38°另一个角是( )°这是一个( )三角形2507800000千克改写成用亿作单位得数是( )3小数部分的最大的计数单位是( )( )个这样的计数单位是十分位上的1比各位上的1少( )6一个小数是由3个十和6个百分之一组成的这个小数写作( )读作( )7把下面的小数按照从小到大的顺
Evaluation Only. Created with Aspose.Words. Copyright 2003-2022 Aspose Pty Ltd.完形填空:(A) Do you know how to study better and make your study more effective(有效的)We all know that Chinese students usuall
基础题训练1.生活中处处有化学通过学习已经知道: ① 大理石(CaCO3)中金属元素的名称是 ② 可用于洗涤油污的Na2CO3水溶液呈 (填酸性碱性或中性) ③ 活性炭作为家用冰箱除味剂是因为它具有 作用 ④ NH4NO3(硝铵的主要成分)和(NH4)2SO4(肥田粉的主要成分)均属于 (填酸碱或盐) ⑤ 天然气里的甲烷(CH
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It was yearbook day and we were given an hour to sigh each others yearbooks in the cafeteria. I was president of the class and I played sports. When I sat down at a table people started toe over t
新目标英语培训中心之中考英语短文填空训练Leaf then large learn ones grow thick has mean first easy begin Everybody loves oranges .They are sweet and re in sectionsso it is 71 to eat oranges do not have any
选词填空训练 21.Happen cross much life hurry wet clear quick long Do you live in a big city Do you like the traffic in your city There are too ___1___ accidents in big cities. Accidents often __
选择填空训练(15)一选择题:1.已知集合集合则( )A. B. C. D.2. 是( )A.最小正周期为的偶函数 B.最小正周期为的奇函数C.最小正周期为的偶函数 D.最小正周期为的奇函数3. 下列结论错误的是( )A.命题若则与命题若则互为逆否命题B.命题命题则为真C.若则的逆命题为真命题D.若为假命题则均为假命题.4.设为三条不同
Evaluation Only. Created with Aspose.Words. Copyright 2003-2022 Aspose Pty Ltd.2007年广东高考英语 语法填空训练系列一 惠东高级中学门外汉工作室拥有本练习的最终解释权 如有疑问 请联系: layman886126 或者: QQ 4869920
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