FRONTPAGE
Pop quiz
Q: What terrible thing happened to Laika, the first dog to travel into space?
A. She overheated (过热) and died.
B. Her brain exploded (爆炸).
C. She got stuck in a moon crater (环形山).
- 对本期电子报订户、有效期内的VIP教师会员和本学期初二尊享卡用户，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。
