- 问题详情: Lifeinthetwenty-firstcenturywillbeverydifferentfromlifetoday.Betweenthenandnowmanychangeswilltakeplace,butwhatwillthechangesbe? Thepopulationisgrowingfast.Therewillbealargenumberofpeopleintheworldandmostofthemwilllivelongerthanpeoplelivenow...
- 22616