The new method he suggested sounded good in_______,but is not practical in use.

1. We have a large _____ (系统) of railways.
2. The new method he suggested sounded good in _____ (理论), but it was not practical in use.
3. The boat sank in a _____ (猛烈的) storm at sea.
4. She is _____ (不像) her mother; she is tall and her mother is very short.
5. Efficiency would be _____ (增加) several times.
6. Wide differences of character _____ (存在) even in children of the same family.
7. What _____ (使迷惑) me is why they did not show up.
8. The truck _____ (碰撞) into the wall.
9. Don't always _____ (依靠) on others. You should learn to rely on yourself.
10. My new teacher is both _____  (温和的) and encouraging toward me.