Lesson15-The riddle of time Text Appreciation Contents I。 Text Analysis 1. Theme 2 Structure 3. Further Discussion IL。 Writing Device I工I。 Sentence Paraphrase W B TL ELesson15—The Riddle of Time W B T L E Text Appreciation I. Text Analysis 1. Theme 2. Structure 3. Further Discussion II. Writing Device III. Sentence Paraphrase