... i o n ? ? ? ? What are they? Who are they? What helps you use Internet? What is the name of the planet where we are living on? Unit Life in the future Do you think our life will be better? Why? ... dangerous What will life be like in the future, according to optimists? People will be living in much cleaner environment, breathing fresher air and eating healthier foods They will also be better ... will happen in an economic depression? (P.2 -L.3) Why, according to pessimists, will the security of the earth be threatened? (P.2 L.4+5) What will life be like in the future, according to optimists?...