{"common":{"save":0,"post_id":"9991","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"10316","mon_id":"1160214","chapter_id":"1160227","post_id":"9991","question":"<p>T\u1ed1c \u0111\u1ed9 t\u0103ng dân s\u1ed1 th\u1ebf gi\u1edbi có xu h\u01b0\u1edbng th\u1ebf nào trong giai \u0111o\u1ea1n<strong> 2000 – 2050?<\/strong>.<\/p>","options":["A. T\u0103ng r\u1ea5t nhanh.","B. Gi\u1ea3m d\u1ea7n.","C. \u1ed4n \u0111\u1ecbnh h\u1eb3n.","D. Gi\u1ea3m m\u1ea1nh."],"correct":"2","level":"3","hint":"<p>So sánh m\u1ee9c t\u0103ng c\u1ee7a các giai \u0111o\u1ea1n tr\u01b0\u1edbc và sau.<\/p>","answer":"<p>\u0110áp án \u0111úng là:<span style=\"color:#16a085;\"><strong> B. Gi\u1ea3m d\u1ea7n.<\/strong><\/span><br \/>1950–2000 t\u0103ng 3,7 t\u1ec9, 2000–2050 t\u0103ng 3,5 t\u1ec9 → t\u1ed1c \u0111\u1ed9 ch\u1eadm l\u1ea1i.<\/p>","type":"choose","extra_type":"classic","user_id":"129","test":"0","date":"2025-08-23 15:16:01","option_type":"txt","len":2},{"id":"10317","mon_id":"1160214","chapter_id":"1160227","post_id":"9991","question":"<p>Trong giai \u0111o\u1ea1n<strong> 1950 – 2050, <\/strong>t\u1ec9 l\u1ec7 dân s\u1ed1 các n\u01b0\u1edbc phát tri\u1ec3n trong dân s\u1ed1 th\u1ebf gi\u1edbi thay \u0111\u1ed5i th\u1ebf nào?.<\/p>","options":["A. Gi\u1ea3m d\u1ea7n.","B. T\u0103ng d\u1ea7n.","C. \u1ed4n \u0111\u1ecbnh.","D. Lúc t\u0103ng lúc gi\u1ea3m."],"correct":"1","level":"3","hint":"<p>T\u1eeb 32% (1950) → 21% (2000) → 17% (2020) → 13% (2050).<\/p>","answer":"<p>\u0110áp án \u0111úng là:<span style=\"color:#16a085;\"><strong> A. Gi\u1ea3m d\u1ea7n.<\/strong><\/span><br \/>Trong giai \u0111o\u1ea1n 1950 – 2050, t\u1ec9 l\u1ec7 dân s\u1ed1 các n\u01b0\u1edbc phát tri\u1ec3n trong dân s\u1ed1 th\u1ebf gi\u1edbi gi\u1ea3m d\u1ea7n, t\u1eeb 32% (1950) → 21% (2000) → 17% (2020) → 13% (2050).<\/p>","type":"choose","extra_type":"classic","user_id":"129","test":"0","date":"2025-08-23 15:17:59","option_type":"txt","len":2},{"id":"10318","mon_id":"1160214","chapter_id":"1160227","post_id":"9991","question":"<p>N\u1ebfu xu h\u01b0\u1edbng dân s\u1ed1 các n\u01b0\u1edbc \u0111ang phát tri\u1ec3n ti\u1ebfp t\u1ee5c t\u0103ng., h\u1ec7 qu\u1ea3 nào có th\u1ec3 x\u1ea3y ra?.<\/p>","options":["A. Áp l\u1ef1c dân s\u1ed1 ch\u1ee7 y\u1ebfu r\u01a1i vào các n\u01b0\u1edbc phát tri\u1ec3n.","B. Các n\u01b0\u1edbc \u0111ang phát tri\u1ec3n ch\u1ecbu áp l\u1ef1c dân s\u1ed1 l\u1edbn.","C. Dân s\u1ed1 th\u1ebf gi\u1edbi ng\u1eebng t\u0103ng.","D. C\u01a1 c\u1ea5u dân s\u1ed1 th\u1ebf gi\u1edbi cân b\u1eb1ng tr\u1edf l\u1ea1i."],"correct":"2","level":"3","hint":"<p>Dân s\u1ed1 t\u0103ng t\u1eadp trung ch\u1ee7 y\u1ebfu \u1edf nhóm n\u01b0\u1edbc nào?.<\/p>","answer":"<p>\u0110áp án \u0111úng là:<span style=\"color:#16a085;\"><strong> B. Các n\u01b0\u1edbc \u0111ang phát tri\u1ec3n ch\u1ecbu áp l\u1ef1c dân s\u1ed1 l\u1edbn.<\/strong><\/span><br \/>Dân s\u1ed1 t\u0103ng m\u1ea1nh nh\u1ea5t \u1edf các n\u01b0\u1edbc \u0111ang phát tri\u1ec3n. <\/p>","type":"choose","extra_type":"classic","user_id":"129","test":"0","date":"2025-08-23 15:32:45","option_type":"txt","len":3}]}