如图,在平面直角坐标系中,A(1,4),B(3,2),点C是直线y=﹣4x+20上一动点,若OC恰好平分四边形OACB的面积,则C点坐标为____
—Why don't you buy the bike, Mary? — It's too expensive. I can't it.
“一夫不耕,或受之饥;一女不织,或受之寒。”这反映了我国古代( )
在横线里填上“+”、“-”、“×”或“÷”。
5____5=2____5 4____3=2____6 30____6=4____6
3____6=18____1 15____3=25____5 8____2=8____8
He____(go) to school on foot many years ago. Now, he____(go) to school by bus.