{"common":{"save":0,"post_id":"9445","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"6632","post_id":"9445","mon_id":"1159909","chapter_id":"1160067","question":"<p>Vùng nào sau \u0111ây có m\u1eadt \u0111\u1ed9 dân s\u1ed1 cao nh\u1ea5t \u1edf n\u01b0\u1edbc ta<strong> n\u0103m 2021<\/strong>?.<\/p>","options":["A. Tây Nguyên.<br \/>\n<br \/>\n ","B. \u0110\u1ed3ng b\u1eb1ng sông C\u1eedu Long.","C. B\u1eafc Trung B\u1ed9.","D. \u0110\u1ed3ng b\u1eb1ng sông H\u1ed3ng."],"correct":"4","level":"2","hint":"<p>Là vùng có th\u1ee7 \u0111ô và nhi\u1ec1u t\u1ec9nh \u0111ông dân.<\/p>","answer":"<p>\u0110áp án \u0111úng là: <span style=\"color:#16a085;\"><strong>D. \u0110\u1ed3ng b\u1eb1ng sông H\u1ed3ng.<\/strong><\/span><br \/>M\u1eadt \u0111\u1ed9 lên t\u1edbi 1091 ng\u01b0\u1eddi\/km², cao nh\u1ea5t c\u1ea3 n\u01b0\u1edbc.<\/p>","type":"choose","extra_type":"classic","user_id":"129","test":"0","date":"2025-06-15 20:53:16","option_type":"txt","len":2},{"id":"6633","post_id":"9445","mon_id":"1159909","chapter_id":"1160067","question":"<p>T\u1ec9nh nào sau \u0111ây có m\u1eadt \u0111\u1ed9 dân s\u1ed1 d\u01b0\u1edbi 100 ng\u01b0\u1eddi\/km²?.<\/p>","options":["A. B\u1eafc Giang.","B. L\u1ea1ng S\u01a1n.","C. Thái Bình.<br \/>\n ","D. H\u1ea3i Phòng."],"correct":"2","level":"2","hint":"<p>N\u1eb1m \u1edf vùng núi phía B\u1eafc.<\/p>","answer":"<p>\u0110áp án \u0111úng là: <strong><span style=\"color:#16a085;\">B. L\u1ea1ng S\u01a1n.<\/span><\/strong><br \/>\u0110ây là m\u1ed9t trong các t\u1ec9nh mi\u1ec1n núi có dân c\u01b0 th\u01b0a th\u1edbt.<\/p>","type":"choose","extra_type":"classic","user_id":"129","test":"0","date":"2025-06-15 20:54:35","option_type":"txt","len":2},{"id":"6634","post_id":"9445","mon_id":"1159909","chapter_id":"1160067","question":"<p>Thành ph\u1ed1 nào sau \u0111ây có m\u1eadt \u0111\u1ed9 dân s\u1ed1 t\u1eeb 1000 ng\u01b0\u1eddi\/km² tr\u1edf lên?.<\/p>","options":["A. \u0110à N\u1eb5ng.","B. Hà N\u1ed9i.","C. C\u1ea7n Th\u01a1.","D. Lào Cai."],"correct":"2","level":"2","hint":"<p>Là Th\u1ee7 \u0111ô, dân c\u01b0 \u0111ông \u0111úc.<\/p>","answer":"<p>\u0110áp án \u0111úng là:<strong><span style=\"color:#16a085;\"> <\/span><span style=\"color:#16a085;\">B. Hà N\u1ed9i.<\/span><\/strong><br \/>Hà N\u1ed9i là m\u1ed9t trong nh\u1eefng trung tâm dân c\u01b0 và kinh t\u1ebf l\u1edbn c\u1ee7a c\u1ea3 n\u01b0\u1edbc.<\/p>","type":"choose","extra_type":"classic","user_id":"129","test":"0","date":"2025-06-15 20:55:37","option_type":"txt","len":2}]}
