III.
A.
1. F ( However, many people don't approve of using nuclear power because it is very dangerous )
2. T ( Radioactivity causes cancer and may badly affect the future generations )
B.
1. Nobody knows exactly how much fuel is left.
2. Yes, it is ( ... we have to start conserving coal, oil and gas before it is too late ; and nuclear power is the only alternative )
3. Radioactivity causes cancer and may badly affect the future generations.
