单选题Americans reuse about______million computers each year.A5B10C15D20
单选题
Americans reuse about______million computers each year.
A
5
B
10
C
15
D
20
参考解析
解析:
相关考题:
As a rule of thumb for QA (Quality Assurance) activities, how many hours of downstream QA (Quality Assurance) costs are saved for each hour spent on technical reviews early in the project?()A、Up to 5B、Up to 10C、Up to 15D、Up to 20
单选题A 5B 10C 15D 20