for many people,life is a lot EASIER(easy) today.Medicine and diet are improving QUICKLY(quickly),and people are getting HEALTHIER(healthy) and living LONGER(long).But the area of life that is changing QUICKLY(quickly) of all is communication.Fifty years ago,computers were much BIGER(big)and less POWERFUL(powerful) than they are now.Today,we use the Internet,so we can communicate EASILY(easily) with friends all over the world.
Not all the changes are GOOD(good) ones.More people drive cars instead of riding bikes,so they aren't as FIT(fit) as they were.Traffic doesn't just make the roads CROWDED(crowded),it also makes pollution WORST(bad) .We must all think CAREFULLY(carefully)about how we can LESS(little) energy.We must all work HARD(hard) to reduce pollution
手打的,望采納、有好幾個字都錯了,順便幫你改了.