Good books
Where did it come from?
WHEN you drink, eat or use something, it is interesting to think about where the thing came from. For example, think about your shirt.
If your shirt is made of cotton (棉花), then the cotton comes from a cotton plant.
- 对本期电子报订户、有效期内的VIP教师会员和本学期初一尊享卡用户，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。
