一个三位数除以一位数,商是两位数。(判断对错)
下图为3月21日北京天安门广场升国旗时旗和影子示意图,其中旗面与旗杆影子的夹角为45,据此完成下题。推测升旗时北京的风向为( )
— Excuse me, have you seen _______ umbrella here?— Yes. Is it _______ beautiful blue one? I saw it here just now.