{"common":{"save":0,"post_id":"4946","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"9509","post_id":"4946","mon_id":"1158195","chapter_id":"1158234","question":"<p>Cùng m\u1ed9t lúc, trên Trái \u0110\u1ea5t có bao nhiêu gi\u1edd khác nhau?<\/p>","options":["A. 21 gi\u1edd.","B. 23 gi\u1edd.","C. 24 gi\u1edd.","D. 22 gi\u1edd."],"correct":"3","level":"1","hint":"<p>Xem l\u1ea1i ki\u1ebfn th\u1ee9c \u0111\u1eb7c \u0111i\u1ec3m t\u1ef1 quay quanh tr\u1ee5c c\u1ee7a Trái \u0110\u1ea5t.<\/p>","answer":"<p>Ng\u01b0\u1eddi ta chia Trái \u0110\u1ea5t thành 24 múi gi\u1edd (khu v\u1ef1c gi\u1edd). M\u1ed7i khu v\u1ef1c có m\u1ed9t gi\u1edd riêng, \u0111ó là gi\u1edd khu v\u1ef1c.<\/p>","type":"choose","extra_type":"shape2","time":"0","user_id":"137","test":"0","date":"2021-10-17 13:15:10","option_type":"txt","len":0},{"id":"9510","post_id":"4946","mon_id":"1158195","chapter_id":"1158234","question":"<p>S\u1ef1 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a Trái \u0110\u1ea5t quay quanh tr\u1ee5c không t\u1ea1o ra hi\u1ec7n t\u01b0\u1ee3ng nào sau \u0111ây?<\/p>","options":["A. Gi\u1edd gi\u1ea5c m\u1ed7i n\u01a1i m\u1ed7i khác.","B. Hi\u1ec7n t\u01b0\u1ee3ng mùa trong n\u0103m.","C. Ngày \u0111êm n\u1ed1i ti\u1ebfp nhau.","D. S\u1ef1 l\u1ec7ch h\u01b0\u1edbng chuy\u1ec3n \u0111\u1ed9ng."],"correct":"2","level":"1","hint":"<p>Xem l\u1ea1i ki\u1ebfn th\u1ee9c \u0111\u1eb7c \u0111i\u1ec3m t\u1ef1 quay quanh tr\u1ee5c c\u1ee7a Trái \u0110\u1ea5t và các h\u1ec7 qu\u1ea3.<\/p>","answer":"<p>S\u1ef1 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a Trái \u0110\u1ea5t quay quanh tr\u1ee5c t\u1ea1o ra hi\u1ec7n t\u01b0\u1ee3ng: Ngày \u0111êm luân phiên nhau; s\u1ef1 l\u1ec7ch h\u01b0\u1edbng chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a các v\u1eadt th\u1ec3 theo chi\u1ec1u kinh tuy\u1ebfn và gi\u1edd trên Trái \u0110\u1ea5t.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"137","test":"0","date":"2021-10-17 13:19:22","option_type":"txt","len":2},{"id":"9511","post_id":"4946","mon_id":"1158195","chapter_id":"1158234","question":"<p>So v\u1edbi m\u1eb7t ph\u1eb3ng qu\u1ef9 \u0111\u1ea1o, tr\u1ee5c Trái \u0110\u1ea5t nghiêng m\u1ed9t góc<\/p>","options":["A. 23\u207027’.","B. 56\u207027’.","C. 66\u207033’.","D. 32\u207027’."],"correct":"3","level":"1","hint":"<p>Xem l\u1ea1i ki\u1ebfn th\u1ee9c \u0111\u1eb7c \u0111i\u1ec3m t\u1ef1 quay quanh tr\u1ee5c c\u1ee7a Trái \u0110\u1ea5t và các h\u1ec7 qu\u1ea3.<\/p>","answer":"<p>Tr\u1ee5c quay c\u1ee7a Trái \u0110\u1ea5t: M\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng t\u01b0\u1edfng t\u01b0\u1ee3ng xuyên tâm c\u1eaft m\u1eb7t Trái \u0110\u1ea5t \u1edf 2 \u0111i\u1ec3m c\u1ed1 \u0111\u1ecbnh, ngiêng 66\u207033' trên m\u1eb7t ph\u1eb3ng qu\u1ef9 \u0111\u1ea1o.<\/p>","type":"choose","extra_type":"shape1","time":"0","user_id":"137","test":"0","date":"2021-10-17 13:20:31","option_type":"txt","len":0}]}
