What do you study? environmental persuasive speeches Speaking at the National Cable and Telecommunications Association's 2013 Cable Show, Duncan called on the industry to help accelerate a number of technological upgrades for classrooms, including moving textbooks from print to digital, creating more preschool programs and upgrading school networks to support broadband speeds up to 120 mbps. 必須 2000文字以内 [bbs:youtube:(Youtubeの動画ID)]と書くとYoutubeの動画が貼れます。(例:[bbs:youtube:OQThUAQ0UN0])