Campus Trends

Act against smog

作者：Luo Xinyu

和雾霾抗争，还北京一片蓝天。

RECENTLY Beijing suffered from severe smog (雾霾). The reading of PM2.5 once exceeded (超过) 500, which showed that the air quality should certainly concern everyone. The public was even advised to stay indoors.

点击阅读全文

对本期电子报订户、有效期内的VIP教师会员和本学期高三尊享卡用户，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。