公元前475 年，东周进入“战国时代”，距今（2011 年）已有2485 年。
判断：___________
改正：___________
判断：正确
This cake is ________ that one. Which of the following is wrong?
A．three times the size of
B．three times so big as
C．three times bigger than
D．one third as big as
双桶洗衣机的（）受潮，可引起“麻电”现象
