中国大学MOOC: The study originated in the U.S. in the late 1950s and gained acceptance through training and testing practice in the 1960s and 1970s.
举一反三
- The study originated in the U.S. in the late 1950s and gained acceptance through training and testing practice in the 1960s and 1970s.
- 中国大学MOOC: The U.S. is the world’s greatest power and the world’s greatest debtor.
- 中国大学MOOC: The Fisherman’s Wharf is located in __________ in the U.S.
- 中国大学MOOC: It’s too late to make a difference.
- The world's first electronic computer was born in ____. A: 1940s B: 1950s C: 1960s D: 1970s