因为a:b=45,
比的前项和后项同时除以6,则比值不变,
所以所以a6:b6=45;
故答案为:正确.
________ parents may have a stronger desire to see their children step into the world of ________.[ ]
A.Poor; rich
B.The poor; rich
C.Poor; the rich
D.The poor; the rich
加点的部分都不是一个词的一项是 ( )
A.因为长句,歌以赠之操虽托名汉相,其实汉贼也
B.落英缤纷非常之谋难于猝发
C.致殷勤之意九国之师逡巡不敢进
D.六国破亡之故事。社稷之倾覆,将若之何