{"common":{"save":0,"post_id":"5429","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"12577","post_id":"5429","mon_id":"1158403","chapter_id":"1158414","question":"<p>Ph&aacute;t bi\u1ec3u n&agrave;o sau \u0111&acirc;y <strong>sai<\/strong> v\u1ec1 b&oacute;ng \u0111&egrave;n s\u1ee3i \u0111\u1ed1t ?<\/p>","options":["<strong>A. <\/strong>S\u1eed d\u1ee5ng \u0111&egrave;n s\u1ee3i \u0111\u1ed1t \u0111\u1ec3 chi\u1ebfu s&aacute;ng gi&uacute;p ti\u1ebft ki\u1ec7m \u0111i\u1ec7n n\u0103ng","<strong>B. <\/strong>Tu\u1ed5i th\u1ecd c\u1ee7a \u0111&egrave;n s\u1ee3i \u0111\u1ed1t ch\u1ec9 kho\u1ea3ng 1000 gi\u1edd","<strong>C. <\/strong>N\u1ebfu s\u1edd v&agrave;o b&oacute;ng \u0111&egrave;n \u0111ang ho\u1ea1t \u0111\u1ed9ng s\u1ebd th\u1ea5y n&oacute;ng v&agrave; c&oacute; th\u1ec3 b\u1ecb b\u1ecfng","<strong>D. <\/strong>Khi ho\u1ea1t \u0111\u1ed9ng, s\u1ee3i \u0111\u1ed1t b\u1ecb \u0111\u1ed1t n&oacute;ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao n&ecirc;n nhanh b\u1ecb h\u1ecfng"],"correct":"1","level":"3","hint":"","answer":"<p>Ph&aacute;t bi\u1ec3u sai v\u1ec1 b&oacute;ng \u0111&egrave;n s\u1ee3i \u0111\u1ed1t l&agrave;:<\/p><p><span style=\"color:#16a085;\"><strong>A.&nbsp;S\u1eed d\u1ee5ng \u0111&egrave;n s\u1ee3i \u0111\u1ed1t \u0111\u1ec3 chi\u1ebfu s&aacute;ng gi&uacute;p ti\u1ebft ki\u1ec7m \u0111i\u1ec7n n\u0103ng<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2021-12-15 12:56:33","option_type":"txt","len":3},{"id":"12578","post_id":"5429","mon_id":"1158403","chapter_id":"1158414","question":"<p>\u0110i\u1ec7n n\u0103ng bi\u1ebfn \u0111\u1ed5i th&agrave;nh quang n\u0103ng \u1edf b\u1ed9 ph\u1eadn n&agrave;o c\u1ee7a b&oacute;ng \u0111&egrave;n s\u1ee3i \u0111\u1ed1t ?<\/p>","options":["<strong>A. <\/strong>B&oacute;ng th\u1ee7y tinh","<strong>B. <\/strong>S\u1ee3i \u0111\u1ed1t","<strong>C. <\/strong>\u0110u&ocirc;i \u0111&egrave;n","<strong>D. <\/strong>\u0110&aacute;p &aacute;n kh&aacute;c"],"correct":"2","level":"3","hint":"","answer":"<p>\u0110&aacute;p &aacute;n \u0111&uacute;ng&nbsp;l&agrave;&nbsp;<span style=\"color:#16a085;\"><strong>&nbsp;B.&nbsp;S\u1ee3i \u0111\u1ed1t<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2021-12-15 13:00:27","option_type":"txt","len":2},{"id":"12590","post_id":"5429","mon_id":"1158403","chapter_id":"1158414","question":"<p>T&igrave;m nh\u1eefng \u01b0u \u0111i\u1ec3m c\u1ee7a b&oacute;ng \u0111&egrave;n LED?<\/p>","options":["<strong>A. <\/strong>Gi&aacute; th&agrave;nh th\u1ea5p","<strong>B. <\/strong>Ti\u1ebft ki\u1ec7m \u0111i\u1ec7n","<strong>C. <\/strong>Ph&aacute;t ra &aacute;nh s&aacute;ng li&ecirc;n t\u1ee5c","<strong>D. <\/strong>Tu\u1ed5i th\u1ecd cao"],"correct":"[\"2\",\"3\",\"4\"]","level":"3","hint":"","answer":"<p>Nh\u1eefng \u01b0u \u0111i\u1ec3m c\u1ee7a b&oacute;ng \u0111&egrave;n LED l&agrave;:<\/p><p><span style=\"color:#16a085;\"><strong>B.&nbsp;Ti\u1ebft ki\u1ec7m \u0111i\u1ec7n<\/strong><\/span><\/p><p><span style=\"color:#16a085;\"><strong>C.&nbsp;Ph&aacute;t ra &aacute;nh s&aacute;ng li&ecirc;n t\u1ee5c<\/strong><\/span><\/p><p><span style=\"color:#16a085;\"><strong>D.&nbsp;Tu\u1ed5i th\u1ecd cao<\/strong><\/span><\/p>","type":"checkbox","extra_type":"classic-checkbox","time":"0","user_id":"131","test":"0","date":"2021-12-15 13:26:43","option_type":"txt","len":3}]}