One of the first three technologies for communicating and collaborating online was NOT ____.
A: message boards
B: online bulletin boards
C: newsgroups
D: blogs
A: message boards
B: online bulletin boards
C: newsgroups
D: blogs
举一反三
- _______ always boards the plane first
- Electronic bulletin boards are _________ communication platforms. A: one-to-many B: one-to-one C: many-to-many D: all above
- First class always boards the plane first.
- What does O2O mean? A: One to One B: Offline to Online C: Online to Offline D: Online to Online
- What does O2O mean?（O2O是什么意思?） A: One to One B: Offline to Online C: Online to Offline D: Online to Online