{"common":{"save":0,"post_id":"9873","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"10026","mon_id":"1160214","chapter_id":"1160224","post_id":"9873","question":"<p>Tr\u01b0\u1eddng h\u1ee3p nào sau \u0111ây khi\u1ebfn dòng ch\u1ea3y chính có th\u1ec3 kéo dài th\u1eddi gian l\u0169 nh\u01b0ng không quá cao?<\/p>","options":["A. Có nhi\u1ec1u ph\u1ee5 l\u01b0u \u1edf m\u1ed9t \u0111o\u1ea1n.","B. Ph\u1ee5 l\u01b0u phân b\u1ed1 \u0111\u1ec1u theo chi\u1ec1u dài dòng chính.","C. Nhi\u1ec1u h\u1ed3 \u0111\u1ea7m \u1edf h\u1ea1 l\u01b0u.","D. Không có chi l\u01b0u."],"correct":"2","level":"3","hint":"<p>Dòng n\u01b0\u1edbc \u0111\u1ed5 v\u1ec1 r\u1ea3i rác.<\/p>","answer":"<p>\u0110áp án \u0111úng là: <strong><span style=\"color:#16a085;\">B. Ph\u1ee5 l\u01b0u phân b\u1ed1 \u0111\u1ec1u theo chi\u1ec1u dài dòng chính.<\/span><\/strong><br \/>Gi\u1ea3i thích: N\u01b0\u1edbc \u0111\u1ed5 v\u1ec1 t\u1eeb t\u1eeb \u1edf nhi\u1ec1u \u0111i\u1ec3m → kéo dài l\u0169 nh\u01b0ng không t\u1ea1o \u0111\u1ec9nh l\u0169 quá l\u1edbn.<\/p>","type":"choose","extra_type":"classic","user_id":"129","test":"0","date":"2025-08-14 15:09:19","option_type":"txt","len":3},{"id":"10027","mon_id":"1160214","chapter_id":"1160224","post_id":"9873","question":"<p>Vì sao sông \u1edf khu v\u1ef1c s\u01b0\u1eddn khu\u1ea5t gió th\u01b0\u1eddng có l\u01b0\u1ee3ng n\u01b0\u1edbc ít h\u01a1n?<\/p>","options":["A. Vì không có h\u1ed3 \u0111\u1ea7m.","B. Vì \u0111\u1ed9 d\u1ed1c th\u1ea5p.","C. Vì ít m\u01b0a do không \u0111ón gió \u1ea9m.","D. Vì nhi\u1ec1u chi l\u01b0u h\u01a1n."],"correct":"3","level":"3","hint":"<p>M\u01b0a ph\u1ee5 thu\u1ed9c gió.<\/p>","answer":"<p>\u0110áp án \u0111úng là:<span style=\"color:#16a085;\"><strong> C. Vì ít m\u01b0a do không \u0111ón gió \u1ea9m.<\/strong><\/span><br \/>Khu\u1ea5t gió → không nh\u1eadn \u0111\u01b0\u1ee3c h\u01a1i n\u01b0\u1edbc → l\u01b0\u1ee3ng m\u01b0a th\u1ea5p.<\/p>","type":"choose","extra_type":"classic","user_id":"129","test":"0","date":"2025-08-14 15:14:06","option_type":"txt","len":3},{"id":"10028","mon_id":"1160214","chapter_id":"1160224","post_id":"9873","question":"<p>\u0110i\u1ec1u gì giúp phân tán nhanh l\u01b0\u1ee3ng n\u01b0\u1edbc l\u0169 trong l\u01b0u v\u1ef1c?<\/p>","options":["A. Ph\u1ee5 l\u01b0u t\u1eadp trung m\u1ed9t \u0111i\u1ec3m.","B. Có nhi\u1ec1u chi l\u01b0u.","C. Thi\u1ebfu th\u1ef1c v\u1eadt.","D. \u0110\u1ecba hình ph\u1eb3ng."],"correct":"2","level":"3","hint":"<p>Chi l\u01b0u → phân dòng.<\/p>","answer":"<p>\u0110áp án \u0111úng là: <span style=\"color:#16a085;\"><strong>B. Có nhi\u1ec1u chi l\u01b0u.<\/strong><\/span><br \/>Chi l\u01b0u d\u1eabn n\u01b0\u1edbc sang các h\u01b0\u1edbng khác → n\u01b0\u1edbc thoát nhanh → gi\u1ea3m l\u0169<\/p>","type":"choose","extra_type":"classic","user_id":"129","test":"0","date":"2025-08-14 15:17:36","option_type":"txt","len":2}]}
