——Could you tell me ________?
——In August, 2014.
A:where will the Youth Olympic Games take place
B:when will the Youth Olympic Games take place
C:where the Youth Olympic Games will take place
D:when the Youth Olympic Games will take place
忽略空气阻力,抛出后的小球在空中运动轨迹如图所示,抛出后的小球由于( )
在满足不等式组x-y+1≥0x+y-3≤0y≥0的平面点集中随机取一点Mx0,y0,设事件A=“y0<2x0”,那么事件A发生的概率是( )
《梦溪笔谈》中写道:“若止印三二张,未为简易;若印数十百千本,则极为神速。”文中所述是指( )