OUR WORLD

It's out of this world

作者：21ST

CHINA'S third manned spacecraft lifted off at 9:10 pm last Thursday to fulfill its most ambitious (雄心勃勃的) and risky mission (任务): spacewalk.Shenzhou VII, carrying three 42-year-old astron...

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。