QUIZ TIME
Day 4 Lasers may be the answer ... (P5)
Choose the answer:
1. Which of the following is the new use
for lasers?
A. Improving people’s eyesight.
B. Playing DVDs.
C. Cutting diamonds.
D. Changing the weather.
- 对本期电子报订户、有效期内的VIP教师会员和本学期初三尊享卡用户，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。
