Ⅰ. 根据语境写出正确的单词
1. the migration (迁移) routes of birds
2. a directory (电话号码簿) of hotels
3. exploit (开发) one’s talents
4. a 20-gallon (加仑) fish tank
5. a murder (凶杀) case
6. a heart full of mercy (仁慈)
7. make public property one’s private possession (拥有)
8. a political opponent (反对者)
9. logged (载入正式记录的) 30, 000 air miles in April
10. marine (海的) exploration
11. the arrest (逮捕) of a criminal suspect
