任务型阅读(1)(江苏省南菁高级中学2012~2013学年度第二学期高三第一次考试)Guiding students through open-ended discussions can help students develop their understanding of the nature of science.One useful practice in classroom discussions involves developing a discussion map.A discussion map is a graphic timeline created by the teacher on which a discussion is recorded-who initially states the idea and who adds to or refuses the idea.Discussion maps let teachers gain a deep understanding of students’level of participation,the Task-based reading (1) Guiding students through open-ended discussions can help students develop their understanding of the nature of science.One helpful practice in (1) (Jiangsu Nanjing High School 2012-2013 academic year second semester high school first exam) classroom discussions guides developing a discussion map. a discussion map is a graphic timeline created by the teacher on which a discussion is recorded-who initially states the idea and who adds to or refuses the idea. ’level of participation, the