{"common":{"save":0,"post_id":"9506","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"6961","post_id":"9506","mon_id":"1159909","chapter_id":"1160068","question":"<p>Ngành than c\u1ee7a n\u01b0\u1edbc ta có l\u1ecbch s\u1eed phát tri\u1ec3n t\u1eeb:<\/p>","options":["A. Cu\u1ed1i th\u1ebf k\u1ec9 XX.<br \/>\n<br \/>\n<br \/>\n ","B. \u0110\u1ea7u th\u1ebf k\u1ec9 XIX.","C. Gi\u1eefa th\u1ebf k\u1ec9 XX.","D. Sau n\u0103m 1975."],"correct":"2","level":"1","hint":"<p>Ngành than có truy\u1ec1n th\u1ed1ng h\u01a1n 100 n\u0103m. <\/p>","answer":"<p>\u0110áp án \u0111úng là: <span style=\"color:#16a085;\"><strong>B. \u0110\u1ea7u th\u1ebf k\u1ec9 XIX.<\/strong><\/span><br \/>Than \u0111ã \u0111\u01b0\u1ee3c khai thác t\u1eeb th\u1eddi Pháp thu\u1ed9c, \u0111\u1eb7c bi\u1ec7t t\u1ea1i Qu\u1ea3ng Ninh.<\/p>","type":"choose","extra_type":"classic","user_id":"129","test":"0","date":"2025-06-27 07:42:39","option_type":"txt","len":2},{"id":"6962","post_id":"9506","mon_id":"1159909","chapter_id":"1160068","question":"<p>M\u1ed9t trong nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a ngành khai thác than hi\u1ec7n nay \u1edf Vi\u1ec7t Nam ?<\/p>","options":["A. Phát tri\u1ec3n m\u1ea1nh \u1edf vùng \u0110\u1ed3ng b\u1eb1ng sông C\u1eedu Long.","B. S\u1ea3n l\u01b0\u1ee3ng gi\u1ea3m m\u1ea1nh do c\u1ea1n ki\u1ec7t tài nguyên.","C. Áp d\u1ee5ng công ngh\u1ec7 tiên ti\u1ebfn, hi\u1ec7n \u0111\u1ea1i, t\u1ef1 \u0111\u1ed9ng hóa.","D. Than ch\u1ee7 y\u1ebfu dùng cho s\u1ea3n xu\u1ea5t thép."],"correct":"3","level":"1","hint":"<p>\u0110\u1ea7u t\u01b0 công ngh\u1ec7 là xu th\u1ebf \u0111\u1ec3 nâng cao n\u0103ng su\u1ea5t và b\u1ea3o v\u1ec7 môi tr\u01b0\u1eddng.<\/p>","answer":"<p>\u0110áp án \u0111úng là:<span style=\"color:#16a085;\"><strong> C. Áp d\u1ee5ng công ngh\u1ec7 tiên ti\u1ebfn, hi\u1ec7n \u0111\u1ea1i, t\u1ef1 \u0111\u1ed9ng hóa.<\/strong><\/span><br \/>Hi\u1ec7n nay, ngành than \u0111\u01b0\u1ee3c \u0111\u1ea7u t\u01b0 c\u01a1 gi\u1edbi hóa \u0111\u1ed3ng b\u1ed9 nh\u1eb1m nâng cao n\u0103ng su\u1ea5t và gi\u1ea3m tác \u0111\u1ed9ng môi tr\u01b0\u1eddng.<\/p>","type":"choose","extra_type":"classic","user_id":"129","test":"0","date":"2025-06-27 07:54:54","option_type":"txt","len":3},{"id":"6963","post_id":"9506","mon_id":"1159909","chapter_id":"1160068","question":"<p>Ngành than c\u1ee7a Vi\u1ec7t Nam có s\u1ea3n l\u01b0\u1ee3ng \u0111\u1ea1t kho\u1ea3ng bao nhiêu tri\u1ec7u t\u1ea5n vào<strong> n\u0103m 2021<\/strong>?<\/p>","options":["A. 35 tri\u1ec7u t\u1ea5n.","B. 48,3 tri\u1ec7u t\u1ea5n.","C. 52,6 tri\u1ec7u t\u1ea5n.","D. 60 tri\u1ec7u t\u1ea5n."],"correct":"2","level":"1","hint":"<p>Con s\u1ed1 n\u1eb1m \u1edf m\u1ee9c g\u1ea7n 50 tri\u1ec7u t\u1ea5n.<\/p>","answer":"<p>\u0110áp án \u0111úng là:<span style=\"color:#16a085;\"><strong> B. 48,3 tri\u1ec7u t\u1ea5n.<\/strong><\/span><br \/>Theo s\u1ed1 li\u1ec7u n\u0103m 2021, s\u1ea3n l\u01b0\u1ee3ng khai thác than c\u1ee7a n\u01b0\u1edbc ta \u0111\u1ea1t 48,3 tri\u1ec7u t\u1ea5n.<\/p>","type":"choose","extra_type":"classic","user_id":"129","test":"0","date":"2025-06-27 07:58:00","option_type":"txt","len":2}]}