expect to hear /'/In words beginning with an unstressed syllable,the vowel sound may be /'or /I/. 3.问题与应用（能力要求） Practise lecture introductions and word stress. (三)思考与实践 Extension activity:Students label the parts of speech for the answers. Exercises 4.4,4.5,4.7 and 4.8 could be varied by students reading the transcript to each other in pairs. (四)教学方法与手段 本章教学主要采用的方法和手段：课堂讲授、多煤体教学、团队合作、分组讨论、 课堂讨论。 第三章Identifying key ideas in lectures (一)目的与要求 In this unit students will: practise identifying the key points a lecturer wants to make .distinguish key points from examples use their understanding of examples to deduce key points develop their understanding of relationships between ideas learn patterns of pronunciation and word stress in word families (二)教学内容 1.主要内容 Task 1 Thinking about key ideas The aim of this task is to generate ideas on the subject of the unit.By this stage,students should have few problems coming up with answers to these questions.However,with weaker groups,you may want to provide suggestions for them to agree/disagree with. Task 2 Identifying key points in a lecture The aim of Tasks 2-4 is that students should develop their ability to select key points from a lecture.In Tasks 2,3 and 4 students listen to a lecture on franchising.The lecture is divided into three parts,and each part is divided into two or three sections.After students have listened to each part,they listen again to the part divided into sections. Task 3 Distinguishing key points from examples The aim of Task 3 is that students should recognize the difference 5 5 expect to hear /′/. In words beginning with an unstressed syllable, the vowel sound may be /′/ or /I /. 3.问题与应用（能力要求） Practise lecture introductions and word stress. （三）思考与实践 Extension activity: Students label the parts of speech for the answers. Exercises 4.4, 4.5, 4.7 and 4.8 could be varied by students reading the transcript to each other in pairs. （四）教学方法与手段 本章教学主要采用的方法和手段: 课堂讲授、多媒体教学、团队合作、分组讨论、 课堂讨论。 第三章 Identifying key ideas in lectures （一）目的与要求 In this unit students will: • practise identifying the key points a lecturer wants to make • distinguish key points from examples • use their understanding of examples to deduce key points • develop their understanding of relationships between ideas • learn patterns of pronunciation and word stress in word families （二）教学内容 1. 主要内容 Task 1 Thinking about key ideas The aim of this task is to generate ideas on the subject of the unit. By this stage, students should have few problems coming up with answers to these questions. However, with weaker groups, you may want to provide suggestions for them to agree/disagree with. Task 2 Identifying key points in a lecture The aim of Tasks 2–4 is that students should develop their ability to select key points from a lecture. In Tasks 2, 3 and 4 students listen to a lecture on franchising. The lecture is divided into three parts, and each part is divided into two or three sections. After students have listened to each part, they listen again to the part divided into sections. Task 3 Distinguishing key points from examples The aim of Task 3 is that students should recognize the difference