{"common":{"save":0,"post_id":"9377","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8113","post_id":"9377","mon_id":"1158483","chapter_id":"1159857","question":"<p>T\u1ec9 l\u1ec7 t\u0103ng dân s\u1ed1 t\u1ef1 nhiên c\u1ee7a C\u1ed9ng hòa Nam Phi \u0111ang có xu h\u01b0\u1edbng nh\u01b0 th\u1ebf nào?<\/p>","options":["A. T\u0103ng nh\u1eb9.","B. Không \u0111\u1ed5i.","C. Gi\u1ea3m d\u1ea7n.","D. T\u0103ng nhanh."],"correct":"3","level":"1","hint":"<p>T\u1ec9 l\u1ec7 này \u0111ã gi\u1ea3m t\u1eeb 1,6% n\u0103m 2010 xu\u1ed1ng 1,2% n\u0103m 2020.<\/p>","answer":"<p>\u0110áp án \u0111úng là: <span style=\"color:#16a085;\"><strong>C. Gi\u1ea3m d\u1ea7n.<\/strong><\/span><br \/>M\u1eb7c dù còn \u1edf m\u1ee9c khá cao, nh\u01b0ng t\u1ec9 l\u1ec7 t\u0103ng t\u1ef1 nhiên c\u1ee7a dân s\u1ed1 Nam Phi \u0111ang có xu h\u01b0\u1edbng gi\u1ea3m trong nh\u1eefng n\u0103m g\u1ea7n \u0111ây.<\/p>","type":"choose","extra_type":"classic","user_id":"129","test":"0","date":"2025-06-07 11:13:15","option_type":"txt","len":2},{"id":"8114","post_id":"9377","mon_id":"1158483","chapter_id":"1159857","question":"<p><strong>N\u0103m 2021<\/strong>, dân s\u1ed1 c\u1ee7a C\u1ed9ng hòa Nam Phi chi\u1ebfm kho\u1ea3ng bao nhiêu ph\u1ea7n tr\u0103m dân s\u1ed1 toàn châu Phi?<\/p>","options":["A. Kho\u1ea3ng 2,5%.","B. Kho\u1ea3ng 3,1%.","C. Kho\u1ea3ng 4,3%. ","D. Kho\u1ea3ng 5,8%."],"correct":"3","level":"1","hint":"<p>Là m\u1ed9t trong nh\u1eefng qu\u1ed1c gia \u0111ông dân \u1edf khu v\u1ef1c mi\u1ec1n Nam châu Phi.<\/p>","answer":"<p>\u0110áp án \u0111úng là: <span style=\"color:#16a085;\"><strong>C. Kho\u1ea3ng 4,3%.<\/strong><\/span><br \/>V\u1edbi h\u01a1n 59 tri\u1ec7u ng\u01b0\u1eddi, Nam Phi chi\u1ebfm kho\u1ea3ng 4,3% dân s\u1ed1 châu Phi vào n\u0103m 2021.<\/p>","type":"choose","extra_type":"classic","user_id":"129","test":"0","date":"2025-06-07 12:03:01","option_type":"txt","len":2},{"id":"8115","post_id":"9377","mon_id":"1158483","chapter_id":"1159857","question":"<p>Thành ph\u1ea7n ch\u1ee7ng t\u1ed9c nào chi\u1ebfm t\u1ec9 l\u1ec7 cao nh\u1ea5t trong dân c\u01b0 C\u1ed9ng hòa Nam Phi?<\/p>","options":["A. Ng\u01b0\u1eddi g\u1ed1c Á.","B. Ng\u01b0\u1eddi lai.","C. Ng\u01b0\u1eddi g\u1ed1c Âu.","D. Ng\u01b0\u1eddi g\u1ed1c Phi."],"correct":"4","level":"1","hint":"<p>Thành ph\u1ea7n này chi\u1ebfm t\u1edbi h\u01a1n 80% dân s\u1ed1.<\/p>","answer":"<p>\u0110áp án \u0111úng là: <strong><span style=\"color:#16a085;\">D. Ng\u01b0\u1eddi g\u1ed1c Phi.<\/span><\/strong><br \/>Ng\u01b0\u1eddi g\u1ed1c Phi là nhóm chi\u1ebfm t\u1ec9 l\u1ec7 cao nh\u1ea5t, kho\u1ea3ng 80,9% dân s\u1ed1 Nam Phi.<\/p>","type":"choose","extra_type":"classic","user_id":"129","test":"0","date":"2025-06-07 12:07:27","option_type":"txt","len":2}]}
