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1. What will life be like in the future? Different people have different answers to this  ; some are pessimistic while   optimistic.
Things will be much worse than they are nowadays, pessimists say. The whole world will experience a period of economic depression. Many large   will be wiped out and millions of jobs will be lost. The security of the earth will be threatened by   as terrorist groups will become more powerful and more  . On the contrary, optimists believe that life will be far better than it is today. We will be living in a much cleaner environment, breathing fresher   and eating   foods. We will also be better looked after by a more modern medical system. Domestic chores will no longer be a burden thanks to the   of labour-saving devices.