I'm wangNan,a student of No.1 Middle School. I have a gooa friend,Jim.He' an USA girl.We are both in Class Two,Grade Eight.She is 15 years old,one year older than me. We both study hard.I'm good at physices,but she's good at math.We often help each other with lessons.Both of us like helping others. We both like sports very much.Jim enjoy playing basketball.but Ilike palying soccer. She likes green but Ilike red. Tough we are different in my ways,we are good friends
最新问答: 用简便方法计算999又999分之998乘999 已知函数f(x)=logax在[2,+∞]上恒有|f(x)|>1,则实数a的取值范围( ) A,0<a<1/2或 溶液密度是不是溶质密度?若不是那溶液的密度与溶质有无什么关系?求氨水的物质的量浓度是不是就是求氨水中氨气的物质的量浓度 无法用语言表达出来.名,说出.( ) 形容口吃.( ) 若2x的平方-1=x,求2013-8x+10x的平方+4x的立方的值是多少? worth is pounds more than 1000 it怎么连词成句 an=n(n+2)分之一,求Sn Alan likes dumplings,fish and onions.改为否定句 一箱苹果,10个10个数,剩9个!9个9个数,剩8个!8个8个数,剩7个!……依次类推,2个2个 (2013•北塘区二模)定值电阻R1、R2和标有额定功率为“0.9W”字样白炽灯L以及特殊电子元件E(电阻随温度升高而减 一个体积为8cm3的正方体的顶点都在球面上,则球的表面积是______cm2. 孟子里面的不要加注释 一减一等于? 天空是蓝色的,因为大气对阳光中波长较短的蓝光散射的较多.傍晚太阳发红,这是因为傍晚的阳光要穿过厚厚 生石灰,熟石灰,石灰石怎么去记? 线性代数:A是一个向量,Var(A)是什么运算?怎么算的? (2014•塘沽区二模)碳元素是组成物质种类最多的一种元素,现有一种含碳元素的化合物,其化学式为C3H5O9N3,相对分 71 又 15/16×(-8)64×(-1/4+1/8-1/16) 月球上的空气、气温、水分情况怎样 甲数是a,乙数比甲数的4倍少b,表示乙数的式子是().你看看.急