When I was a child,I dreamed becoming a policeman.I thought policeman is very rightful.To achieve my dream,I used to study hard and do more sports every day.When my mother told me the difficulty of being a policeman,I always asked myself if I could do this greatly.And I made a decision to read many books about law.Now,I'm older.But I still want to be a policeman.I know more about policeman ,and I have enough confidence to be a policeman.I'll try my best.
最新问答: 三(1)班同学去公园划船,如果每条船坐4人,则少1条船;如果每条船坐6人,则多出4条船.公园里有多少条船?三(1)班有多 囧,各位帮帮算下这题,已知 根号(16-x的平方)-根号(6-x的平方)=2,求根号(16-x的平方)+根号(6-x的平 已知函数f(x)=x方+ax-lnx 若函数f(x)在[1,2]上是减函数,求实数a的取值范围 作者从哪些方面描绘了西湖景色,反映了作者怎样的情感? 计算机导论基础,汉字的区位码与国标码间的关系? 给出下列四个结论:①“若am2<bm2,则a<b”的逆命题为真;②命题“∃x∈R,x2-x>0”的否定是“∀x∈R,x2 初二物理3个填空(能量的转化和恒守) Mary people were standing together in the street in Guangzho (14分)读图,回答下列问题。 (1)甲、乙两图的比例尺哪幅较大?说明判断理由。(2分)(2)a、b两河相比 下列不属于早期信息传播工具的是( ) (急)1.已知甲仓库粮食是乙丙两个仓库粮食存量的和的20%,甲仓库是三个仓库存粮平均数的百分几? 用实验证实光合作用需要叶绿体,应选用的材料 改错.Is this his pencils?That's no my cup.-Thank you very much 长方形ABCD中,AB=5,AD=3,点P从A出发,沿长方形ABCD的边逆时针运动,设点P运动的距离为x.三角形APC的 在探究加速度与力、质量的关系时涉及到3个物理量,一般的物理实验研究中只能研究一个量和另一个量之间的关系,因此本实验采用了 什么动物对地球有功 表面张力和什么因素有关主要用于解释为什么当人达到100km/s(计算结果而已)时能够水上漂? “少小离家老大回,乡音不改鬓毛衰。儿童相见不相识,笑问客从何处来。”这首诗说明了 [ 小刚剪了两个同样的长方形,长2厘米,宽1厘米.然后拼成一个大长方形型,请画出草图,.拼法1:[----]拼法:2[--- 生物实验中如何选择实验材料