本书结构 进度安排 关于toefl ibt 关于toefl口语考试 按题型分(task-based) day 01 task 1 personal preference day 02 task 2 personal choice day 03 task 3 fit and explain day 04 task 4 general/specific day 05 task 5 problem/solution day 06 task 6 summary 按话题分(topic-based) day 07 task 1 experience day 08 task 2 opinion day 09 task 3 campus situation