QUIZ TIME
DAY 3 Turn on happy memory (P5)
Choose the best answer:
1. How did the scientists stop mice feeling depressed?
A. By reorganizing their brain cells.
B. By bringing back happy memories.
C. By giving them happy experiences.
- 对本期电子报订户、有效期内的VIP教师会员和本学期高二尊享卡用户，我们开放所有内容：
- 如果您拥有以上权限，请点这里登录；
- 订阅电子报，请点这里；
- 激活VIP教师卡，请点这里；
- 激活21英语尊享卡，请点这里。
