Doing housework can begin,then,is also a kind of exercise,can make men wise; help my parents to do some housework can make parents more time to rest; by doing housework,can learn a lot of things,to develop good habits.
最新问答: 一节和一海里各等于多少公里啊? 能不能从分子运动获得能量 教师禁语作文 (2007•陕西)某项选拔共有三轮考核,每轮设有一个问题,能正确回答问题者进入下一轮考核,否则即被淘汰,已知某选手能正确 All the people ran out to see 在线求指导:As Jack left his mem 一个正方体,六个面上分别写着1,2,3,4,5,6.掷一次,可能会出现那些结果?请你举列出来. 一只蛋鸡一年的蛋产量是多少公斤 I was a very honest child indeed.I didn’t dare to tell lies (2005•荔湾区二模)已知某元素原子的结构示意图为 ,下列说法不正确的是( ) 帮助我一道英语题将下来句子变成疑问句.1They are hard---working2She was in shang 以My School life 为题写一篇英语文章 your husband will be quite well[ ]. 一轻质弹簧受到10N的拉力时,它的伸长量是0.05m,则该弹簧的劲度系数是_N/m.当该弹簧受到20N的拉力时, (1) 由a1=1,d=3确定的等差数列{an},当an=298时,序号n等于() 在饱和的硝酸钾中加入5克硝酸钾,则硝酸钾溶液的质量 人教版 必修二 圆与直线已知圆的方程为x²+y²-6x-8y=0,设该圆过点(3,5)的最长弦和最短 下列不属于西周初期分封的诸侯的是 [ ] A.卫 二氯甲烷与甲缩醛能溶吗 设k=[a+b−c/c]=[a−b+c/b]=[−a+b+c/a],则k的值为______.