When did environmental pollution problems became prominent? ( )
A: In the early 1960s
B: In the late 1960s
C: In the early 1970s
D: In the late 1970s
A: In the early 1960s
B: In the late 1960s
C: In the early 1970s
D: In the late 1970s
举一反三
- Chinese Contemporary Pop Music and Songs began in Taiwan and Hong Kong in _______. A: the early 1970s B: the late 1970s C: the late 1980s D: the early 1980s
- The world's first electronic computer was born in ____. A: 1940s B: 1950s C: 1960s D: 1970s
- The song "My Generation"illustrates the younger generation's feeling in( ). A: 1950s B: 1980s C: 1970s D: 1960s
- When did the uproar in Heaven begin? A: In the 1980s B: In the 1970s C: In the 1960s D: In the 1950s
- It's _____ for us to go to bed now. A: enough late B: enough early C: late enough