1. Activity is the only road to knowledge! 行动是通往知识的唯一途径！
2. How can I persuade them to take part in our activity? 其他回复怎么才能说服他参加我们的活动呢?
3. Answer the questions in Activity 5 about your school. 回答活动5中关于你们学校的问题。
英英解释
n.
1. any specific behavior
2. the state of being active
3. an organic process that takes place in the body
4. (chemistry) the capacity of a substance to take part in a chemical reaction
5. a process existing in or produced by nature (rather than by the intent of human beings)
6. the trait of being active; moving or acting rapidly and energetically
