双层双面的只读DVD盘片的存储容量可以达到()。 A.4.7GB B.8.5GB C 发布时间:2017-08-04 04:02 │ 来源:www.tikuol.com 题型:单项选择题 问题: 双层双面的只读DVD盘片的存储容量可以达到()。A.4.7GBB.8.5GBC.17GBD.6.6GB
题型:单项选择题 . As a teacher, he has never given his students so difficult a problem ____ they can’t work out.A.ifB.thatC.whenD.As 查看答案