One of the biggest advantages of having a small family is that each child receives more attention from his parents. Also, the financial costs of having a small family are less. There are both advantages and disadvantages to every family size. An advantage of having a bigger family is that children have someone to play with at home.
最新问答： 听后感结尾怎么写 用不等式组表示一以点(0,0),(2,0),(0,-2)为顶点的三角形内部.求该不等式组 如图所示，一物体在一水平恒力的作用下在光滑的水平面内做曲线运动，当物体从M点运动到N点时，其速度方向恰好改变了90 0 西班牙语“天涯海角”怎么讲?最好吧“天涯海角”的张靓颖唱的. 一道关于二次函数的性质的题若函数 f(x)=a+bx-x 2 ,对于任意的实数 x 都有 f(1+x)=f(1-x)成立 翻译：他不会游泳, It's not good to c too often about your parents 工业制取漂白粉 （1）研究光电效应电路如图1所示，用频率相同、强度不同的光分别照射密封真空管的钠极板（阴极K），钠极板发射出的光电子被阳 从读过的名著中摘抄十句名言 DNA分子是如何维持它的遗传稳定性的 f(x,y)=x3+y3-6xy的极值 家庭成员回家吃饭团聚,吃团圆饭的英语 晚上吃月饼,听嫦娥的故事 吃月饼,月饼种类越来越多 although they lost,the team played with great______(精神） （2012•中山模拟）某校六年级的教材不够，暂时每两人用一本语文课本，每三人用一本数学课本，每四人用一本外语课本，全级共 汽化、挥发的区别 为什么会造成水污染 求根式函数f(x)=√(2x*2-3x+4)+√(x*2-2x)最小值 _____,l should not have late for the meeting. 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
