Chapter 2 Computers教案

Chapter 2 Computers Overview: This chapter is about computer and other machine. The main passage is a set of short texts about different aspects of computers and their effects on our life. The listening sec tion requires students to listen to a telephone order and complete an order form for some office products. The language section features exercises on various products including suitcases and cameras. The main task in the speaking section includes a task in which students have to compare two radio-controlled cars, and then two flats. Reading A What do you know about… This exercise int roduces the subject of computers further, and teaches some useful basic vocabulary items. Ask students to complete the exercise. Those students who are very familiar with computers can help those who are not. B Find the facts As before, use this exercise to develop scanning skills. Vocabulary 1.Learn the new words. 2.Do some exercises about the words. C Find the meanings 1. Tell s tudents to do Ex C1 and C2. They must look carefully at the words in context and see which option has the correct meaning. 2. Tell student s to compare their answers with their partners', and then to discuss any differences. Text “Computers” This is an interview between Pansy and Detective Ken. 1.Listen to the tape twice. 2.Read the text after the tape. 3.Answer questions. (1)What do we call computers (2)What kind of jobs can they do (3)How do we give a computer instruction (4)Who write the program (5)Are all the programs the same or different (6)Is a computer cleverer than a man (7)What is the CD-ROM used for 4.Analyze the text. D Read and think This simple e xercise draws attention to one of the principal methods of sentence building. Notes: 1. Introduce students to such as as an alternative way of including examples in a sentence. When we use for example, we must have already defined what we are talking about. Such as can be used in the same way, but sometimes it can be the part of the definition. 2. Such as must be placed directly next to the words it refers to, and it must be followed by a noun or nouns. Unlike for example, such as cannot be followed by a finite clause. Listening Fill in an order form 1.This ex ercise gives students practice in two skills: selecting the relevant information from a dialogue, and filling in a form correctly. 2.As usu al. Explain the situation clearly. Students must act the role of the man, and write down the information. Explain any difficult words. Play the recording twice. 3.Check their answers. 4.Teach the new words: Screen filter contact reference no quantity 本章听力练习是将所给的图片排序 。在做这类听力练习前同学们应该将所有的图片都看一遍。通常给出的图片构成一个完整的故事情节，图片与图片之间也有着很强的逻辑关系。利用听录音前的时间，迅速地捕捉每幅图片所提供的信息，预测短文中可能涉及到的内容，这样听录音材料是就有的放矢。在看图片，也要努力辨别出图片与图片之间的不同之处，以便于准确找出与短文相匹配的图片。 Language A Comparing two things 1.Draw so ... ...