[解析]
(1)A.细节理解题.根据第一段中的one young woman quickly took a picture of the board using her smart phone.When I looked in her direction,she apologized:"Sorry.一个年轻女士用她的手机很快给木板上的内容拍了一张照片.当我朝她的方向看时,她道歉.故选A.
(2)C.细节理解题.根据文章第三段"Some took pictures of notes because they knew their phone was a safe place to store material.Some took photos because they wanted to record exactly the manner in which I had noted information on the board.Others told me that during class they liked to be able to listen to the discussion attentively"可知学生喜欢拍照笔记是因为智能手机是更安全的存储笔记,他们想在课堂上更专心地听和他们希望笔记有确切的版本;根据排除法;故选C.
(3)D.推理判断题.根据第五段中的Writing things down engages a student's brain in listening,visual,and kinesthetic(触觉的)learning记下一些东西会使一个学生的大脑从事听觉,视觉,和触觉的学习.故选D.
(4)B.主旨大意题.通读全文,可知文章主要讲了关于手写笔记和用手机拍照记笔记的利与弊,根据文章第五段"Encouraging students to take notes may be an old﹣fashioned instructional method,but just because a method has a long history doesn't mean it's out of date"可知手写笔记并不因为历史悠久而过时;故选B.