Whatwillmanbelikeinthefuture–in5000oreven50,000yearsfro...
问题详情：Whatwillmanbelikeinthefuture–in5000oreven50,000yearsfromnow?Wecanonlymakeguesses,ofcourse,butwecanbesurethathewillbedifferentfromwhatheistoday,formanisslowlychangingallthetime.Letustakeanobvi...