{"common":{"save":0,"post_id":"9986","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"10266","mon_id":"1160214","chapter_id":"1160227","post_id":"9986","question":"<p><strong>N\u0103m 1950<\/strong>, dân s\u1ed1 th\u1ebf gi\u1edbi kho\u1ea3ng bao nhiêu?.<\/p>","options":["A. 1,5 t\u1ec9 ng\u01b0\u1eddi.","B. 2,5 t\u1ec9 ng\u01b0\u1eddi.","C. 3,5 t\u1ec9 ng\u01b0\u1eddi.","D. 4,5 t\u1ec9 ng\u01b0\u1eddi."],"correct":"2","level":"1","hint":"<p>Hãy nh\u1edb dân s\u1ed1 toàn c\u1ea7u n\u1eeda \u0111\u1ea7u th\u1ebf k\u1ec9 XX còn khá th\u1ea5p.<\/p>","answer":"<p>\u0110áp án \u0111úng là:<span style=\"color:#16a085;\"><strong> B. 2,5 t\u1ec9 ng\u01b0\u1eddi.<\/strong><\/span><br \/>Theo s\u1ed1 li\u1ec7u, n\u0103m 1950 dân s\u1ed1 th\u1ebf gi\u1edbi \u0111\u1ea1t 2,5 t\u1ec9 ng\u01b0\u1eddi.<\/p>","type":"choose","extra_type":"classic","user_id":"129","test":"0","date":"2025-08-21 12:01:53","option_type":"txt","len":2},{"id":"10267","mon_id":"1160214","chapter_id":"1160227","post_id":"9986","question":"<p>Dân s\u1ed1 th\u1ebf gi\u1edbi \u0111\u1ea1t kho\u1ea3ng 7,8 t\u1ec9 ng\u01b0\u1eddi vào n\u0103m nào?.<\/p>","options":["A. 1950.","B. 2000.","C. 2020.","D. 2050."],"correct":"3","level":"1","hint":"<p>\u0110ây là c\u1ed9t m\u1ed1c dân s\u1ed1 hi\u1ec7n nay chúng ta th\u01b0\u1eddng nh\u1eafc t\u1edbi.<\/p>","answer":"<p>\u0110áp án \u0111úng là<span style=\"color:#16a085;\"><strong>: C. 2020.<\/strong><\/span><br \/>N\u0103m 2020 dân s\u1ed1 th\u1ebf gi\u1edbi \u0111ã \u0111\u1ea1t 7,8 t\u1ec9 ng\u01b0\u1eddi.<\/p>","type":"choose","extra_type":"classic","user_id":"129","test":"0","date":"2025-08-21 12:03:26","option_type":"txt","len":0},{"id":"10268","mon_id":"1160214","chapter_id":"1160227","post_id":"9986","question":"<p>Dân s\u1ed1 các n\u01b0\u1edbc phát tri\u1ec3n vào<strong> n\u0103m 2000 <\/strong>là bao nhiêu?.<\/p>","options":["A. 0,8 t\u1ec9 ng\u01b0\u1eddi.","B. 1,2 t\u1ec9 ng\u01b0\u1eddi.","C. 1,3 t\u1ec9 ng\u01b0\u1eddi.","D. 1,5 t\u1ec9 ng\u01b0\u1eddi."],"correct":"2","level":"1","hint":"<p>Dân s\u1ed1 nhóm n\u01b0\u1edbc này t\u0103ng ch\u1eadm, \u0111\u1ea1t h\u01a1n 1 t\u1ec9 ng\u01b0\u1eddi \u0111\u1ea7u th\u1ebf k\u1ec9 XXI.<\/p>","answer":"<p>\u0110áp án \u0111úng là:<span style=\"color:#16a085;\"><strong> B. 1,2 t\u1ec9 ng\u01b0\u1eddi.<\/strong><\/span><br \/>N\u0103m 2000, dân s\u1ed1 các n\u01b0\u1edbc phát tri\u1ec3n \u0111\u1ea1t 1,2 t\u1ec9 ng\u01b0\u1eddi.<\/p>","type":"choose","extra_type":"classic","user_id":"129","test":"0","date":"2025-08-21 12:05:28","option_type":"txt","len":2}]}
