{"type":"rich","version":1.0,"provider_name":"Speaker Deck","provider_url":"https://speakerdeck.com/","title":"東大英語_2004年_Eriko.pdf","author_name":"In Mktg","author_url":"https://speakerdeck.com/inmktg","html":"\u003ciframe id=\"talk_frame_1353554\" class=\"speakerdeck-iframe\" src=\"https://speakerdeck.com/player/777dd7115d1d49cab90b4208edba0479\" width=\"710\" height=\"1014\" style=\"aspect-ratio:710/1014; border:0; padding:0; margin:0; background:transparent;\" frameborder=\"0\" allowtransparency=\"true\" allowfullscreen=\"allowfullscreen\"\u003e\u003c/iframe\u003e\n","width":710,"height":1014,"ratio":0.6995827538247567}