https://www.eduspa.org/quiz/19%ea%b0%95-itq-%ed%8c%8c%ec%9b%8c%ed%8f%ac%ec%9d%b8%ed%8a%b8-2010-chapter-19-%ea%b8%b0%ec%b6%9c%eb%ac%b8%ec%a0%9c-c-%ec%9c%a0%ed%98%95-%ed%92%80%ec%9d%b41/ 2016-04-24T14:56:40+00:00 always 0.6 https://www.eduspa.org/quiz/18%ea%b0%95-itq-%ed%8c%8c%ec%9b%8c%ed%8f%ac%ec%9d%b8%ed%8a%b8-2010-chapter-18-%ea%b8%b0%ec%b6%9c%eb%ac%b8%ec%a0%9c-b-%ec%9c%a0%ed%98%95-%ed%92%80%ec%9d%b42/ 2016-04-24T14:54:48+00:00 always 0.6 https://www.eduspa.org/quiz/17%ea%b0%95-itq-%ed%8c%8c%ec%9b%8c%ed%8f%ac%ec%9d%b8%ed%8a%b8-2010-chapter-17-%ea%b8%b0%ec%b6%9c%eb%ac%b8%ec%a0%9c-b-%ec%9c%a0%ed%98%95-%ed%92%80%ec%9d%b41/ 2016-04-24T14:56:24+00:00 always 0.6 https://www.eduspa.org/quiz/16%ea%b0%95-itq-%ed%8c%8c%ec%9b%8c%ed%8f%ac%ec%9d%b8%ed%8a%b8-2010-chapter-16-%ea%b8%b0%ec%b6%9c%eb%ac%b8%ec%a0%9c-a-%ec%9c%a0%ed%98%95-%ed%92%80%ec%9d%b42/ 2016-04-24T14:56:08+00:00 always 0.6 https://www.eduspa.org/quiz/15%ea%b0%95-itq-%ed%8c%8c%ec%9b%8c%ed%8f%ac%ec%9d%b8%ed%8a%b8-2010-chapter-15-%ea%b8%b0%ec%b6%9c%eb%ac%b8%ec%a0%9c-a-%ec%9c%a0%ed%98%95-%ed%92%80%ec%9d%b41/ 2016-04-24T14:55:55+00:00 always 0.6 https://www.eduspa.org/quiz/14%ea%b0%95-itq-%ed%8c%8c%ec%9b%8c%ed%8f%ac%ec%9d%b8%ed%8a%b8-2010-chapter-14-%ec%8a%ac%eb%9d%bc%ec%9d%b4%eb%93%9c-6-%eb%8f%84%ed%98%95-%ec%8a%ac%eb%9d%bc%ec%9d%b4%eb%93%9c3/ 2016-04-24T14:55:41+00:00 always 0.6 https://www.eduspa.org/quiz/13%ea%b0%95-itq-%ed%8c%8c%ec%9b%8c%ed%8f%ac%ec%9d%b8%ed%8a%b8-2010-chapter-13-%ec%8a%ac%eb%9d%bc%ec%9d%b4%eb%93%9c-6-%eb%8f%84%ed%98%95-%ec%8a%ac%eb%9d%bc%ec%9d%b4%eb%93%9c2/ 2016-04-24T14:57:01+00:00 always 0.6 https://www.eduspa.org/quiz/12%ea%b0%95-itq-%ed%8c%8c%ec%9b%8c%ed%8f%ac%ec%9d%b8%ed%8a%b8-2010-chapter-12-%ec%8a%ac%eb%9d%bc%ec%9d%b4%eb%93%9c-6-%eb%8f%84%ed%98%95-%ec%8a%ac%eb%9d%bc%ec%9d%b4%eb%93%9c1/ 2016-04-24T14:57:14+00:00 always 0.6 https://www.eduspa.org/quiz/11%ea%b0%95-itq-%ed%8c%8c%ec%9b%8c%ed%8f%ac%ec%9d%b8%ed%8a%b8-2010-chapter-11-%ec%8a%ac%eb%9d%bc%ec%9d%b4%eb%93%9c-5-%ec%b0%a8%ed%8a%b8-%ec%8a%ac%eb%9d%bc%ec%9d%b4%eb%93%9c2/ 2016-04-24T14:57:27+00:00 always 0.6 https://www.eduspa.org/quiz/10%ea%b0%95-itq-%ed%8c%8c%ec%9b%8c%ed%8f%ac%ec%9d%b8%ed%8a%b8-2010-chapter-10-%ec%8a%ac%eb%9d%bc%ec%9d%b4%eb%93%9c-5-%ec%b0%a8%ed%8a%b8-%ec%8a%ac%eb%9d%bc%ec%9d%b4%eb%93%9c1/ 2016-04-24T14:57:41+00:00 always 0.6 https://www.eduspa.org/quiz/9%ea%b0%95-itq-%ed%8c%8c%ec%9b%8c%ed%8f%ac%ec%9d%b8%ed%8a%b8-2010-chapter-09-%ec%8a%ac%eb%9d%bc%ec%9d%b4%eb%93%9c-4-%ed%91%9c-%ec%8a%ac%eb%9d%bc%ec%9d%b4%eb%93%9c2/ 2016-04-24T14:57:54+00:00 always 0.6 https://www.eduspa.org/quiz/8%ea%b0%95-itq-%ed%8c%8c%ec%9b%8c%ed%8f%ac%ec%9d%b8%ed%8a%b8-2010-chapter-08-%ec%8a%ac%eb%9d%bc%ec%9d%b4%eb%93%9c-4-%ed%91%9c-%ec%8a%ac%eb%9d%bc%ec%9d%b4%eb%93%9c1/ 2016-04-24T14:58:07+00:00 always 0.6 https://www.eduspa.org/quiz/7%ea%b0%95-itq-%ed%8c%8c%ec%9b%8c%ed%8f%ac%ec%9d%b8%ed%8a%b8-2010-chapter-07-%ec%8a%ac%eb%9d%bc%ec%9d%b4%eb%93%9c-3-%ed%85%8d%ec%8a%a4%ed%8a%b8-%ec%8a%ac%eb%9d%bc%ec%9d%b4%eb%93%9c/ 2016-04-24T14:58:20+00:00 always 0.6 https://www.eduspa.org/quiz/6%ea%b0%95-itq-%ed%8c%8c%ec%9b%8c%ed%8f%ac%ec%9d%b8%ed%8a%b8-2010-chapter-06-%ec%8a%ac%eb%9d%bc%ec%9d%b4%eb%93%9c-2-%eb%aa%a9%ec%b0%a8-%ec%8a%ac%eb%9d%bc%ec%9d%b4%eb%93%9c2/ 2016-04-24T14:58:32+00:00 always 0.6 https://www.eduspa.org/quiz/5%ea%b0%95-itq-%ed%8c%8c%ec%9b%8c%ed%8f%ac%ec%9d%b8%ed%8a%b8-2010-chapter-05-%ec%8a%ac%eb%9d%bc%ec%9d%b4%eb%93%9c-2-%eb%aa%a9%ec%b0%a8-%ec%8a%ac%eb%9d%bc%ec%9d%b4%eb%93%9c1/ 2016-04-24T14:58:45+00:00 always 0.6 https://www.eduspa.org/quiz/4%ea%b0%95-itq-%ed%8c%8c%ec%9b%8c%ed%8f%ac%ec%9d%b8%ed%8a%b8-2010-chapter-04-%ec%8a%ac%eb%9d%bc%ec%9d%b4%eb%93%9c-1-%ed%91%9c%ec%a7%80-%eb%94%94%ec%9e%90%ec%9d%b82/ 2016-04-24T14:58:57+00:00 always 0.6 https://www.eduspa.org/quiz/3%ea%b0%95-itq-%ed%8c%8c%ec%9b%8c%ed%8f%ac%ec%9d%b8%ed%8a%b8-2010-chapter-03-%ec%8a%ac%eb%9d%bc%ec%9d%b4%eb%93%9c-1-%ed%91%9c%ec%a7%80-%eb%94%94%ec%9e%90%ec%9d%b81/ 2016-04-24T14:59:09+00:00 always 0.6 https://www.eduspa.org/quiz/2%ea%b0%95-itq-%ed%8c%8c%ec%9b%8c%ed%8f%ac%ec%9d%b8%ed%8a%b8-2010-chapter-02-%ed%8c%8c%ec%9b%8c%ed%8f%ac%ec%9d%b8%ed%8a%b8-2010-%ec%8b%9c%ec%9e%91%ea%b3%bc-%ed%8e%98%ec%9d%b4%ec%a7%80-%ec%84%a4/ 2016-04-24T14:59:22+00:00 always 0.6 https://www.eduspa.org/quiz/1%ea%b0%95-itq-%ed%8c%8c%ec%9b%8c%ed%8f%ac%ec%9d%b8%ed%8a%b8-2010-chapter-01-itq-%ec%8b%9c%ed%97%98-%ec%86%8c%ea%b0%9c-%eb%b0%8f-%ea%b0%9c%ec%9a%94/ 2016-04-24T14:59:35+00:00 always 0.6 https://www.eduspa.org/quiz/1%ea%b0%95-itq-%ec%97%91%ec%85%80-2010-chapter-01-itq-%ec%8b%9c%ed%97%98-%ec%86%8c%ea%b0%9c-%eb%b0%8f-%ea%b0%9c%ec%9a%94-2/ 2016-04-24T14:59:48+00:00 always 0.6 https://www.eduspa.org/quiz/19%ea%b0%95-itq-%ec%97%91%ec%85%80-2010-chapter-19-%ea%b8%b0%ec%b6%9c%eb%ac%b8%ec%a0%9c%ed%92%80%ec%9d%b4-%ec%9c%a0%ed%98%95-c/ 2016-04-24T14:50:30+00:00 always 0.6 https://www.eduspa.org/quiz/18%ea%b0%95-itq-%ec%97%91%ec%85%80-2010-chapter-18-%ea%b8%b0%ec%b6%9c%eb%ac%b8%ec%a0%9c%ed%92%80%ec%9d%b4-%ec%9c%a0%ed%98%95-b/ 2016-04-24T14:50:18+00:00 always 0.6 https://www.eduspa.org/quiz/17%ea%b0%95-itq-%ec%97%91%ec%85%80-2010-chapter-17-%ea%b8%b0%ec%b6%9c%eb%ac%b8%ec%a0%9c%ed%92%80%ec%9d%b4-%ec%9c%a0%ed%98%95-b/ 2016-04-24T14:50:05+00:00 always 0.6 https://www.eduspa.org/quiz/16%ea%b0%95-itq-%ec%97%91%ec%85%80-2010-chapter-16-%ea%b8%b0%ec%b6%9c%eb%ac%b8%ec%a0%9c%ed%92%80%ec%9d%b4-%ec%9c%a0%ed%98%95-a/ 2016-04-24T14:49:50+00:00 always 0.6 https://www.eduspa.org/quiz/15%ea%b0%95-itq-%ec%97%91%ec%85%80-2010-chapter-15-%ea%b8%b0%ec%b6%9c%eb%ac%b8%ec%a0%9c%ed%92%80%ec%9d%b4-%ec%9c%a0%ed%98%95-a/ 2016-04-24T14:50:58+00:00 always 0.6 https://www.eduspa.org/quiz/14%ea%b0%95-itq-%ec%97%91%ec%85%80-2010-chapter-14-%ec%a0%9c4%ec%9e%91%ec%97%85-%ec%b0%a8%ed%8a%b82/ 2016-04-24T14:50:44+00:00 always 0.6 https://www.eduspa.org/quiz/13%ea%b0%95-itq-%ec%97%91%ec%85%80-2010-chapter-13-%ec%a0%9c4%ec%9e%91%ec%97%85-%ec%b0%a8%ed%8a%b81/ 2016-04-24T14:51:19+00:00 always 0.6 https://www.eduspa.org/quiz/12%ea%b0%95-itq-%ec%97%91%ec%85%80-2010-chapter-12-%ec%a0%9c3%ec%9e%91%ec%97%85-%ed%94%bc%eb%b2%97-%ed%85%8c%ec%9d%b4%eb%b8%94/ 2016-04-24T14:51:37+00:00 always 0.6 https://www.eduspa.org/quiz/11%ea%b0%95-itq-%ec%97%91%ec%85%80-2010-chapter-11-%ec%a0%9c2%ec%9e%91%ec%97%85-%eb%aa%a9%ed%91%9c-%ea%b0%92-%ec%b0%be%ea%b8%b0-%ec%a0%9c3%ec%9e%91%ec%97%85-%ec%a0%95%eb%a0%ac-%eb%b0%8f/ 2016-04-24T14:51:49+00:00 always 0.6 https://www.eduspa.org/quiz/10%ea%b0%95-itq-%ec%97%91%ec%85%80-2010-chapter-10-%ec%a0%9c2%ec%9e%91%ec%97%85-%ec%a4%91%eb%b3%b5-%eb%8d%b0%ec%9d%b4%ed%84%b0-%ec%a0%9c%ea%b1%b0-%ed%95%84%ed%84%b0/ 2016-04-24T14:52:02+00:00 always 0.6 https://www.eduspa.org/quiz/9%ea%b0%95-itq-%ec%97%91%ec%85%80-2010-chapter-09-%ec%a0%9c1%ec%9e%91%ec%97%85-%ec%a1%b0%ea%b1%b4%eb%b6%80-%ec%84%9c%ec%8b%9d/ 2016-04-24T14:52:15+00:00 always 0.6 https://www.eduspa.org/quiz/8%ea%b0%95-itq-%ec%97%91%ec%85%80-2010-chapter-08-%ec%a0%9c1%ec%9e%91%ec%97%85-%ed%95%a8%ec%88%983-%ec%b0%be%ea%b8%b0%ec%b0%b8%ec%a1%b0-%eb%8d%b0%ec%9d%b4%ed%84%b0%eb%b2%a0%ec%9d%b4/ 2016-04-24T14:52:28+00:00 always 0.6 https://www.eduspa.org/quiz/7%ea%b0%95-itq-%ec%97%91%ec%85%80-2010-chapter-07-%ec%a0%9c1%ec%9e%91%ec%97%85-%ed%95%a8%ec%88%982-%ed%85%8d%ec%8a%a4%ed%8a%b8-%eb%85%bc%eb%a6%ac-%ed%95%a8%ec%88%98/ 2016-04-24T14:52:42+00:00 always 0.6 https://www.eduspa.org/quiz/6%ea%b0%95-itq-%ec%97%91%ec%85%80-2010-chapter-06-%ec%a0%9c1%ec%9e%91%ec%97%85-%ed%95%a8%ec%88%981-%ed%86%b5%ea%b3%84-%ec%88%98%ed%95%99%ec%82%bc%ea%b0%81-%eb%82%a0%ec%a7%9c%ec%8b%9c/ 2016-04-24T14:52:56+00:00 always 0.6 https://www.eduspa.org/quiz/5%ea%b0%95-itq-%ec%97%91%ec%85%80-2010-chapter-05-%ec%a0%9c1%ec%9e%91%ec%97%85-%ed%91%9c-%ec%84%9c%ec%8b%9d-%ec%9e%91%ec%84%b13/ 2016-04-24T14:53:09+00:00 always 0.6 https://www.eduspa.org/quiz/4%ea%b0%95-itq-%ec%97%91%ec%85%80-2010-chapter-04-%ec%a0%9c1%ec%9e%91%ec%97%85-%ed%91%9c-%ec%84%9c%ec%8b%9d-%ec%9e%91%ec%84%b12/ 2016-04-24T14:53:23+00:00 always 0.6 https://www.eduspa.org/quiz/3%ea%b0%95-itq-%ec%97%91%ec%85%80-2010-chapter-03-%ec%a0%9c1%ec%9e%91%ec%97%85-%ed%91%9c-%ec%84%9c%ec%8b%9d-%ec%9e%91%ec%84%b11/ 2016-04-24T14:53:36+00:00 always 0.6 https://www.eduspa.org/quiz/2%ea%b0%95-itq-%ec%97%91%ec%85%80-2010-chapter-02-%ec%97%91%ec%85%80-2010-%ec%8b%9c%ec%9e%91%ea%b3%bc-%ec%9b%8c%ed%81%ac%ec%8b%9c%ed%8a%b8-%ec%84%a4%ec%a0%95/ 2016-04-24T14:53:49+00:00 always 0.6 https://www.eduspa.org/quiz/1%ea%b0%95-itq-%ec%97%91%ec%85%80-2010-chapter-01-itq-%ec%8b%9c%ed%97%98-%ec%86%8c%ea%b0%9c-%eb%b0%8f-%ea%b0%9c%ec%9a%94/ 2016-04-24T14:54:01+00:00 always 0.6 https://www.eduspa.org/quiz/1%ea%b0%95-itq-%ed%95%9c%ea%b8%80-2010-chapter-01-itq-%ec%8b%9c%ed%97%98-%ec%86%8c%ea%b0%9c-%eb%b0%8f-%ea%b0%9c%ec%9a%94-2/ 2016-04-24T14:54:14+00:00 always 0.6 https://www.eduspa.org/quiz/19%ea%b0%95-itq-%ed%95%9c%ea%b8%80-2010-chapter-19-%ea%b8%b0%ec%b6%9c%eb%ac%b8%ec%a0%9c%ed%92%80%ec%9d%b4-c-1/ 2016-04-24T14:44:09+00:00 always 0.6 https://www.eduspa.org/quiz/18%ea%b0%95-itq-%ed%95%9c%ea%b8%80-2010-chapter-18-%ea%b8%b0%ec%b6%9c%eb%ac%b8%ec%a0%9c%ed%92%80%ec%9d%b4-b-2/ 2016-04-24T14:44:32+00:00 always 0.6 https://www.eduspa.org/quiz/17%ea%b0%95-itq-%ed%95%9c%ea%b8%80-2010-chapter-17-%ea%b8%b0%ec%b6%9c%eb%ac%b8%ec%a0%9c%ed%92%80%ec%9d%b4-b-1/ 2016-04-24T14:44:46+00:00 always 0.6 https://www.eduspa.org/quiz/16%ea%b0%95-itq-%ed%95%9c%ea%b8%80-2010-chapter-16-%ea%b8%b0%ec%b6%9c%eb%ac%b8%ec%a0%9c%ed%92%80%ec%9d%b4-a-2/ 2016-04-24T14:44:59+00:00 always 0.6 https://www.eduspa.org/quiz/15%ea%b0%95-itq-%ed%95%9c%ea%b8%80-2010-chapter-15-%ea%b8%b0%ec%b6%9c%eb%ac%b8%ec%a0%9c%ed%92%80%ec%9d%b4-a-1/ 2016-04-24T14:45:16+00:00 always 0.6 https://www.eduspa.org/quiz/14%ea%b0%95-itq-%ed%95%9c%ea%b8%80-2010-chapter-14-%eb%ac%b8%ec%84%9c%ec%9e%91%ec%84%b1%eb%8a%a5%eb%a0%a5%ed%8f%89%ea%b0%80-%ec%aa%bd%eb%b2%88%ed%98%b8-%eb%a7%a4%ea%b8%b0%ea%b8%b0-%ed%91%9c/ 2016-04-24T14:45:32+00:00 always 0.6 https://www.eduspa.org/quiz/13%ea%b0%95-itq-%ed%95%9c%ea%b8%80-2010-chapter-13-%eb%ac%b8%ec%84%9c%ec%9e%91%ec%84%b1%eb%8a%a5%eb%a0%a5%ed%8f%89%ea%b0%80-%eb%ac%b8%eb%8b%a8%eb%b2%88%ed%98%b8-%eb%84%a3%ea%b8%b0/ 2016-04-24T14:45:44+00:00 always 0.6 https://www.eduspa.org/quiz/12%ea%b0%95-itq-%ed%95%9c%ea%b8%80-2010-chapter-12-%eb%ac%b8%ec%84%9c%ec%9e%91%ec%84%b1%eb%8a%a5%eb%a0%a5%ed%8f%89%ea%b0%80-%ec%b1%85%ea%b0%88%ed%94%bc-%ed%95%98%ec%9d%b4%ed%8d%bc%eb%a7%81/ 2016-04-24T14:45:58+00:00 always 0.6 https://www.eduspa.org/quiz/11%ea%b0%95-itq-%ed%95%9c%ea%b8%80-2010-chapter-11-%eb%ac%b8%ec%84%9c%ec%9e%91%ec%84%b1%eb%8a%a5%eb%a0%a5%ed%8f%89%ea%b0%80-%eb%8d%a7%eb%a7%90%eb%84%a3%ea%b8%b0-%eb%ac%b8%eb%8b%a8%ec%b2%ab/ 2016-04-24T14:46:12+00:00 always 0.6 https://www.eduspa.org/quiz/10%ea%b0%95-itq-%ed%95%9c%ea%b8%80-2010-chapter-10-%eb%ac%b8%ec%84%9c%ec%9e%91%ec%84%b1%eb%8a%a5%eb%a0%a5%ed%8f%89%ea%b0%80-%ed%95%9c%ec%9e%90%eb%b3%80%ed%99%98-%ea%b8%80%ec%9e%90%eb%aa%a8/ 2016-04-24T14:46:27+00:00 always 0.6 https://www.eduspa.org/quiz/9%ea%b0%95-itq-%ed%95%9c%ea%b8%80-2010-chapter-09-%ea%b8%b0%eb%8a%a5-%ed%8f%89%ea%b0%80-ii-%ea%b7%b8%eb%a6%bc-%ea%b8%80-%eb%a7%b5%ec%8b%9c/ 2016-04-24T14:46:41+00:00 always 0.6 https://www.eduspa.org/quiz/8%ea%b0%95-itq-%ed%95%9c%ea%b8%80-2010-chapter-08-%ea%b8%b0%eb%8a%a5-%ed%8f%89%ea%b0%80-ii-%eb%8f%84%ed%98%95%ea%b7%b8%eb%a6%ac%ea%b8%b0/ 2016-04-24T14:46:55+00:00 always 0.6 https://www.eduspa.org/quiz/7%ea%b0%95-itq-%ed%95%9c%ea%b8%80-2010-chapter-07-%ea%b8%b0%eb%8a%a5-%ed%8f%89%ea%b0%80-ii-%ec%88%98%ec%8b%9d/ 2016-04-24T14:47:10+00:00 always 0.6 https://www.eduspa.org/quiz/6%ea%b0%95-itq-%ed%95%9c%ea%b8%80-2010-chapter-06-%ea%b8%b0%eb%8a%a5-%ed%8f%89%ea%b0%80-i-%ec%b0%a8%ed%8a%b8-%eb%a7%8c%eb%93%a4%ea%b8%b0/ 2016-04-24T14:47:23+00:00 always 0.6 https://www.eduspa.org/quiz/5%ea%b0%95-itq-%ed%95%9c%ea%b8%80-2010-chapter-05-%ea%b8%b0%eb%8a%a5-%ed%8f%89%ea%b0%80-i-%ed%91%9c-%ec%84%9c%ec%8b%9d-%ec%ba%a1%ec%85%98-%eb%b8%94%eb%a1%9d-%ea%b3%84%ec%82%b0%ec%8b%9d/ 2016-04-24T14:47:37+00:00 always 0.6 https://www.eduspa.org/quiz/4%ea%b0%95-itq-%ed%95%9c%ea%b8%80-2010-chapter-04-%ea%b8%b0%eb%8a%a5-%ed%8f%89%ea%b0%80-i-%ed%91%9c-%eb%a7%8c%eb%93%a4%ea%b8%b0/ 2016-04-24T14:47:49+00:00 always 0.6 https://www.eduspa.org/quiz/3%ea%b0%95-itq-%ed%95%9c%ea%b8%80-2010-chapter-03-%ea%b8%b0%eb%8a%a5-%ed%8f%89%ea%b0%80-i-%ec%8a%a4%ed%83%80%ec%9d%bc/ 2016-04-24T14:48:02+00:00 always 0.6 https://www.eduspa.org/quiz/2%ea%b0%95-itq-%ed%95%9c%ea%b8%80-2010-chapter-02-%ed%95%9c%ea%b8%80-2010-%ec%8b%9c%ec%9e%91%ea%b3%bc-%ed%8e%98%ec%9d%b4%ec%a7%80-%ec%84%a4%ec%a0%95/ 2016-04-24T14:48:16+00:00 always 0.6 https://www.eduspa.org/quiz/1%ea%b0%95-itq-%ed%95%9c%ea%b8%80-2010-chapter-01-itq-%ec%8b%9c%ed%97%98-%ec%86%8c%ea%b0%9c-%eb%b0%8f-%ea%b0%9c%ec%9a%94/ 2016-04-24T14:48:29+00:00 always 0.6 https://www.eduspa.org/quiz/1%ea%b0%95-itq-%ed%95%9c%ea%b8%80-chapter-01-itq-%ec%8b%9c%ed%97%98-%ec%86%8c%ea%b0%9c-%eb%b0%8f-%ea%b0%9c%ec%9a%94/ 2016-04-24T14:48:42+00:00 always 0.6 https://www.eduspa.org/quiz/1%ea%b0%95-%ed%85%8c%ec%8a%a4%ed%8a%b8%ea%b0%95%ec%9d%98/ 2016-04-07T15:18:58+00:00 always 0.6