1 . 请用方框中单词的正确形式完成句子，并将答案书写在相应位置。

appreciate 　　　confident 　　　power 　　　economy 　　　injure

1. You need patience and ___________ to be a good teacher.
2. A ___________ earthquake caused a tsunami, killing more than 6,500 people.
3. Two thirds of the people who lived there were dead or ___________.
4. ___________ development is necessary if we want to improve society.
5. Learning Chinese calligraphy will increase your ___________ of Chinese culture.