Objectives（单元目标）：

After learning the unit, you will be able to:

1 master the usages of some key words and phrases about volunteering (K);

2 know how to use verb tenses correctly (K);

3 talk about your volunteer experiences (S);

4 express your opinions on volunteer work (S);

5 write a notice in the proper form (S);

5 carry forward volunteering spirit and fulfill social responsibility(Q).

Note: 

K-knowledge （知识目标）  

S-skill （能力目标）  

Q-qualify （素质目标）