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she came to remind me that tomorrow is her birthday and she wanted to have lunch with me.英文翻译 世界上可以喝的水有多少?海水呢?可以喝的水占多少?海水占多少? 海水中除水外含量最多的七种元素依次是? 15个硬币摆5行,每行都有4枚怎么摆 基因实验室还需要设置排风吗?需要多少级洁净度 将2.0 mol SO2气体和2.0 mol SO3气体混合于固定体积的密闭容器中,在一定条件下发生反应：2SO2(g)＋O2(g) 2SO3(g),达到平衡时SO3为n mol.在相同温度下,分别按下列配比在相同密闭容器中放入起始物质,平 用标点符号组成的周杰伦图案要清楚一点 用很多标点符号组成的周杰伦样子的图案. 化学方程式遵循质量守恒定律 使反应前后什么相等 把一根4米长的木料平均锯成9段,每段长()米,每锯下一段的时间占总时间的(). 4.2nm等于多少cm 4.2nm =_____cm =_______m 50mL物质的量浓度为18.4g/mol的硫酸与足量的铜反应可得到标准状况下SO2几mol? 640g二氧化硫中约含有多少mol氧原子?急求!~最好写详细点,最好带公式.就是M,m,n什么的 What can society do to help the disabled? what are factors which are related to academic success in high-school students?要议论文 三个分论点~字数在300字左右~一定要英文的!这个问题就是高中生在学校里成功的因素是什么 其实就是高中生成功的学习 what are all the factors of 48 诗歌的演变 在200字左右, 底面半径是10CM的圆柱型容器中,水深8CM,把1个长和宽都是8CM,高15CM的长方体完全淹没水中容器中水面上升多少CM 底面半径是10CM的圆柱型容器中,水深8CM,把1个长和宽都是8CM,高15CM的长方体横的放的进吗 在一只底面半径是10cm,高是20cm的圆柱形容器中,水深8cm,要在容器中放入长宽都是8cm,高是15cm的一块铁块把铁块竖起放入水中,是底面与容器底面接触（1）水会将铁块全部淹没吗?为什么?（2）这 John had to give the car a big push.能用have to HA溶液中存在下列平衡：HA(红色）可逆号生成H+和A-(黄色）,通入SO2可观察到的现象是什么SO2不是可以漂白么,为甚不褪色? John had to give the car a big push.能用has to .John had to have his car repaired in a garage because it _______ seriously.A.damaged B.was being damagedC.had damagedD.had been damaged请问大家选哪个啊 I`ll have to push the car to the side of road的意思 had to have his car repaired in a garage because it _______ serioJohn had to have his car repaired in a garage because it _______ seriously.A.damaged B.was being damaged\x05C.had damaged\x05D.had been damaged选D请问A改成had damaged 我查了一 一个圆柱形的玻璃容器,从里面量直径为12cm,向容器中倒入0.9升水再把一个西红柿放入水中.这时水深15cm,西红柿体积多少?对了就行 在底面半径为10cm的圆柱形玻璃容器中,水深8cm,要在容器中放入长和宽都是8cm,高是15cm的长方体铁块.rt如果把铁块横放在水中,水面大约上升多少厘米?如果把铁块竖放在水中,水面大约上升多少 平方和怎么转换和平方 一根长3米德木料,每7分之3米锯一段,每锯一段用时2分钟,锯完这根木料一共用多少分钟? 3米的木料,每7分之3米锯一段,每锯一次用时2分钟,锯完这跟木料一共用多少分钟? :sometmes l push you away lust beacuse l need you to pull me closer.