大前提:资本主义经济危机是由于生产社会化同生产资料私人占有这一基本矛盾而产生的。小前提:罗斯福新政将美国私人垄断资本主义推向国家垄断
Now I am fifty years old. I find myself moving toward ____ is ahead with a curious mixture of both fighting and accepting my aging, hoping ____ the philosophy was right when he said, “Old is always
(本题满分6分)如图,在梯形ABCD中,AD∥BC,BD=CD,AB<CD,且∠ABC为锐角,AD=4,BC=12,点E为BC上一动点。试求:当CE为何值时,四边形ABED是等腰梯
As Internet users become more dependent on the Internet to store information, are people remembering less? If you know your computer will save information, why store it in your own personal memor
酸雨对下列物质的腐蚀作用最强的是 ( ) A.铜制塑像 B.大理石
【例1】 已知f(x)=4x2-2x+1,g(x)=,求f(),f(-x),g(),f[g(x)],g[f(x)]. 解:f()=4()2-2・+1=7, f(-x)=4・(-x)2-2(-x)+1=4x2+2x+1, g()==, f[g(x)]=4[g(x)]2-2[g(x)]+1 =4・()2-2・+1
在如图所示的装置上,磁场垂直于光滑导轨平面,光滑导轨MN、PQ固定在水平面上,导体棒ab在导轨上做简谐运动,产生交变电流的电压表达式为u=4sin100π
据史料记载,从明太祖洪武十七年九月十四日到二十一日的八天内,内外诸司送到皇宫的奏章共1160件,皇帝平均一天要处理411件事。这一现象从本质上