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.