I have been studied in middle school for three years.In few days,i will graduate.My favorite teacher is my English teacher.I thank her very much.
My English teacher is a beautiful woman.She is k...
I have been studied in middle school for three years.In few days,i will graduate.My favorite teacher is my English teacher.I thank her very much.
My English teacher is a beautiful woman.She is k...
最新问答: 线性代数通解问题求大神解答.已知A为n阶方阵,a1,a2,a3.an是A的列向量组,A的行列式=0.,A的伴随不等于0. .822(2)句子中的语法iiiiiiiiiiiiiiiiiiiiiii 立方米空气质量是1.293乘10的负g,那么1立方米的空气质量是多少 零点八乘括号七点八乘1.25简便 未来的电脑将是什么样的 英文翻译 一个钟的分针长15厘米,从8点到9点,分针针尖走过了多少厘米? 有分别装有38,75个球的两个箱子,甲乙二人轮流在任意一箱中取球,规定去到最后一球者为胜.甲先取,你应当怎样策划,才能帮 检查英文邮件Dear Natalie,For the samples you ordered the other day 她在看书用英语怎么说? in time和on time的区别 高数导数问题参数方程求二次导数时,对dy/dx再求导变成(d^2y)/dx^2=d*dy/dx^2这里d与y拆开后d代表 has got a ball中的a能否去掉名词还是单数形式是不是如果那样就必须是复数形式ball后面加S enough用法是形前名后,还是名前形后 如何区别一种物质是由离子组成还是由分子组成 52*11.1+2.6*778,怎么简便 纪晓岚谜语:黑不是,白不是,红黄更不是,和狐狸猫狗仿佛,既非家畜,又非野兽;诗也有,词也有,论语上也 从句的构成 高炉炼铁过程中发生的主要反应为:[1/3]Fe2O3(s)+CO(g)⇌[2/3]Fe(s)+CO2(g) 五年级作文写事我爱读书 小明家5月份用电250千瓦时,其中用“峰电”150千瓦时,用谷电100千瓦时.请计算他们家使用峰电电价