如图,在Rt△ABC中,∠C=90°,AD是△ABC的角平分线,DC=3,则点D到AB的距离是____ .
—I'm hungry. Do you have anything to eat?
—No. Let's ________ super chicken sandwiches.
1853年,太平军占领南京,并把南京改名为天津,定为都城,建立起与清朝对峙的政权。____