A:跳远运动员助跑一段距离才起跳
B:举重运动员把杠铃举在空中不动
C:掷出去的铁饼在空中继续向前飞行
D:箭被弓射出后仍向前运动
已知P为直线y=kx+b上一动点,若点P与原点均在直线x﹣y+2=0的同侧,则k,b满足的条件分别为( )
—You are a good girl.
—
—How many apples can you see?
—I can see ____(eleven; twenty).