Ⅰ. 根据英语释义写出正确的单词
1. adapt: to change sth. in order to make it suitable
2. disappear: to become impossible to see
3. evolve: from a simple to a more complicated form
4. extinct: no longer in existence
5. fierce: angry and aggressive in a way that is frightening
6. generous: giving or willing to give freely
7. emperor: the ruler of an empire
8. reputation: the opinion that people have about what sb. /sth. is like
9. border: a line separating two countries
