Computers are useful machines.They can help people a lot in their daily life. For example,they can help people save work out many problems they can't do themselves .Our country calls on everyone to learn to use computers in the twenty first century, including the old people .
最新问答： （2009•淮安模拟）可以利用哺乳动物成熟的红细胞为实验材料进行的实验有（ ） 一如什么（要表示“以前”的词语） on his face与in his face的区别 请结合生活中的实例,描述韦纳的动机归因理论. 怎么求出9x^2=1、25x^2-4=0、4x^2=2的根 they perfer to die fighting rather than live in enslavement. 4/5 +b -2m+3/π-n -9/8x+4 (1/x-2)*x 不是整式的是 这个故事说得是 的英语怎么说回答完找我呀 276255856 1.设：a+b+c+3=2(根号a+根号（b+1）+根号（c-1）) 英语翻译The Science of EcologyThe world in which we live consist 竖直上抛运动怎么列方程 he often goes f() by the lake 教室的面积大约是（ ）A．56平方厘米B．56平方分米C．56平方米 蒙古语翻译德、大德，的音译 若2(x-1/3a)-1/2(b-3x+c)+b=0,其中a,b,c为已知向量,则未知向量x为 常温常压下,22.4升一氧化氮气体的分子数小于NA There are five ____ on the desk. [ 半命题作文《.是一道风景》写景,写人,写事.都可以.速度. 郑人买履中的履是什么意思 在一个空瓶子里放进一个飞着的蜜蜂,瓶子重量会增加吗?
