My father had a tough life.He worked as a factory worker and go to work for 10 hours every day.He had to travel for 1 hour before reaching the factory.He earns about 2 dollar an hour,just enough to feed the whole family.He cycled to work everyday,but if the bicycle is needed by me or my brother,he will jog to work.His boss likes his work wttitude and promoted him to manager after 10 years.
最新问答: 求积分 ∫(1 0)dy∫(1 y)e^(-x^3)dx 提示:把Y型变成X型.我算到∫(1 0)dx∫(x 0)e^( 证明,f(x)=√(x²+1)-x在区间(-无穷大,0]上是减函数,在[0,+无穷大)上也是减函数, 用How many问用什么答? We can't only silence between是什么意思. 已知函数f(x)=lnx-ax+1,a∈R是常数.讨论函数y=f(x)零点个数 简便计算 21除以21又22分之21 谁知道一升柴油完全燃烧能产生多少大卡热量 有一个三角形的外接圆的圆心在它的某一边上,则这个三角形一定是( ) 拐杖 阅读题(带答案) 一般将来时will+动词原形 和begoing+动词原形 太阳直射点的纬度怎么判断 96:216,怎么知道他们的公约数是24 应该用什么方法 中文意思The heart has a grave lived with the widow 批判那种践踏生命的行为的材料作文 设曲线f(x)=acosx+bsinx的一条对称轴为x=π5,则曲线y=f(π10−x)的一个对称点为( ) matlab中多项式求根的一般表达式是什么 急求400字写信作文! 意气风发英文怎么说 纳闷 忧愁 分别属于什么词?纳闷、忧愁分别属于动词?名词?形容词?或者是其他什么词?急…… 抛物线y=-x2-2x+m,若其顶点在x轴上,则m=______.