{"common":{"save":0,"post_id":"9870","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"9996","mon_id":"1160214","chapter_id":"1160224","post_id":"9870","question":"<p>Khi l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc sông nh\u1ecf h\u01a1n trung bình n\u0103m thì \u0111\u01b0\u1ee3c g\u1ecdi là gì?<\/p>","options":["A. Mùa l\u0169.","B. Mùa khô.","C. Mùa c\u1ea1n.","D. Mùa m\u01b0a."],"correct":"3","level":"2","hint":"<p>Trái ng\u01b0\u1ee3c v\u1edbi mùa l\u0169.<\/p>","answer":"<p>\u0110áp án \u0111úng là: <span style=\"color:#16a085;\"><strong>C. Mùa c\u1ea1n.<\/strong><\/span><br \/>Mùa c\u1ea1n là giai \u0111o\u1ea1n l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc nh\u1ecf h\u01a1n giá tr\u1ecb trung bình n\u0103m.<\/p>","type":"choose","extra_type":"classic","user_id":"129","test":"0","date":"2025-08-14 09:23:08","option_type":"txt","len":2},{"id":"9997","mon_id":"1160214","chapter_id":"1160224","post_id":"9870","question":"<p>Sông có ch\u1ebf \u0111\u1ed9 n\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n là do \u0111âu?<\/p>","options":["A. Ch\u1ec9 nh\u1eadn n\u01b0\u1edbc t\u1eeb ngu\u1ed3n ng\u1ea7m.","B. M\u1ed7i n\u0103m ch\u1ec9 có m\u1ed9t mùa l\u0169 và m\u1ed9t mùa c\u1ea1n.","C. Không có bi\u1ebfn \u0111\u1ed9ng v\u1ec1 l\u01b0u l\u01b0\u1ee3ng.","D. N\u1eb1m g\u1ea7n bi\u1ec3n."],"correct":"2","level":"2","hint":"<p>Ch\u1ebf \u0111\u1ed9 \u0111\u01a1n gi\u1ea3n = ít bi\u1ebfn \u0111\u1ed9ng theo mùa.<\/p>","answer":"<p>\u0110áp án \u0111úng là: <span style=\"color:#16a085;\"><strong>B. M\u1ed7i n\u0103m ch\u1ec9 có m\u1ed9t mùa l\u0169 và m\u1ed9t mùa c\u1ea1n.<\/strong><\/span><br \/>Sông nh\u1eadn n\u01b0\u1edbc ch\u1ee7 y\u1ebfu t\u1eeb m\u1ed9t ngu\u1ed3n nên có ch\u1ebf \u0111\u1ed9 n\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n, theo mùa rõ r\u1ec7t.<\/p>","type":"choose","extra_type":"classic","user_id":"129","test":"0","date":"2025-08-14 09:25:01","option_type":"txt","len":3},{"id":"9998","mon_id":"1160214","chapter_id":"1160224","post_id":"9870","question":"<p>\u0110\u1ed9 d\u1ed1c \u0111\u1ecba hình có \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf nào \u0111\u1ebfn ch\u1ebf \u0111\u1ed9 n\u01b0\u1edbc sông?<\/p>","options":["A. Làm gi\u1ea3m dòng ch\u1ea3y v\u1ec1 h\u1ea1 l\u01b0u.","B. Làm t\u0103ng \u0111\u1ed9 t\u1eadp trung l\u0169.","C. Làm n\u01b0\u1edbc ch\u1ea3y ng\u01b0\u1ee3c lên th\u01b0\u1ee3ng ngu\u1ed3n.","D. Làm l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc \u1ed5n \u0111\u1ecbnh quanh n\u0103m."],"correct":"2","level":"2","hint":"<p>\u0110\u1ecba hình d\u1ed1c → n\u01b0\u1edbc ch\u1ea3y nhanh.<\/p>","answer":"<p>\u0110áp án \u0111úng là: <span style=\"color:#16a085;\"><strong>B. Làm t\u0103ng \u0111\u1ed9 t\u1eadp trung l\u0169.<\/strong><\/span><br \/>\u0110\u1ecba hình d\u1ed1c khi\u1ebfn n\u01b0\u1edbc ch\u1ea3y nhanh, t\u1eadp trung gây l\u0169.<\/p>","type":"choose","extra_type":"classic","user_id":"129","test":"0","date":"2025-08-14 09:27:41","option_type":"txt","len":3}]}
