【简答题】Life in the twenty-first century will be very 1 . Many changes will take place, but 2 will the changes be. The population is growing 3 . There will be many 4 in the world and most of them will live 5 ...
【简答题】Scientists are new studies of color and its effects on our health. They have known for a long time that the color of a room or the color of the light in it can affect our feelings and emotions....