Teaching inspired Geography with Twig World and Tigtagelectronic publisheronline databasesonline resourcesAustralasian research informationscholarly researche-titlescommissioningpublishinginformation sourceslibrary reso...
How long do you plan to live? What will the world be in that period of time? 从来没有认真地想过自己打算活多久?人命天定,哪有计划的说法。不过想来蛮有道理。一般来说我们的平均寿命在75岁,随着医学科技的发展和健康意识的提高,我们可以不夸张地预计活到85岁。那么未来的50年是什么样子呢?我们又该...