课文重点句填空。 1. The result is a better understanding of the world on all sides, ______ a future world where people from all countries are respected and different views and opinions are tolerated. 2. To explain what they have seen, they build a theory about the way in which things happen and the ______. 3. Only by discovering what we do best ______ to reach our goals and truly ______. 4. Frank Lloyd Wright, who built an art museum in New York, ______by Japanese seashells. 5. Many large cities, such as Liverpool and New York, have had experiments of this kind, ______ old factories ______ successful arts centre.