2 . The___________(announce) of isolation (隔离) at home during the time when COVID-19 broke out was welcomed by the public. (所给词的适当形式填空)

7 . 根据英文释义写出单词
1. a sport in which two people fight with each other with their hands ________
2. sth. moves quickly away from a surface it has just hit ________
3. a spoken or written statement ________
4. the act of protecting sb. / sth. from attack ________
5. the group of people who have gathered to watch or listen to sth. ________
6. to help sb. remember sth. ________
7. to use your teeth to cut into sth. ________
8. to stop sth. from being done or used especially by law ________
9. a particular situation ________
10. happening or done once every year ________