Quitters never win; winners never quit

As smoking became less and less popular, smokers move to the fringe of social clusters while smoking quitters had more connections. A: 正确 B: 错误

The conclusion ofUnit 8 is __________ A: there is no real difference between Bulldogs and Quitters B: you should never try to do something more than once C: if you don’t succeed in doing something, you are a failure D: sometimes you need to change the goals you have in life