Front Page

Too many people?

作者：21ST

HOW many people are there in the world? Around 6.465 billion. How many people are there in China? About 1.3 billion. Last Wednesday the United Nations gave its latest report on problems of the world's growing population...

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中尊享卡用户，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。