Objectives: -After the lesson Ss will be able to know the way to buy goods by computers. -To drill Ss the structures: Computer programmer, flow chart, circle, triangles, ovals, insert, press. -To drill Ss listening skill. | Unit 15 Computers Period 94 Lesson 3 Listen I. Objectives -After the lesson Ss will be able to know the way to buy goods by computers. -To drill Ss the structures Computer programmer flow chart circle triangles ovals insert press. -To drill Ss listening skill. II. Teaching aids Tape cassette textbook pictures III. Teaching procedure. 1. Class organization 2. Oral test Ask Ss to do exercise 2 p 90 . 3. New lesson A. Warm up. -Ask ss to play the cross word with the key wor Compul -Work in pairs to find the word out. - Here the following guiding sentences 1 Taking a lot of time to do. 2 The opposite meaning of easy 3 Join together. 4 Keep the information. 5 Making you smile. 6 A question or difficult situation. The key word Computer. 1 time consuming. 2 Difficult. 3 Connect 4 Store. 5 Amusing. 6 Problem. B. Pre- listening. -Ask Ss to look at the chart in the book and then T explains the way to complete the table. -New word Circle h nil tiihi. Triangles h nil tam Press button Ên nót. Oval h Iih van Insert coins nhĐt ua ảng xu vpo. -Ask Ss to read the new words in chorus. -Ask Ss to listen to the tape about the steps to get drink from the machine. C. While - listening. - Play the tape twice and then fill in the chart. -Work in pairs to share the answers to p Call some Ss to give the answers after listening to the tape. Start - find a machine - Do you have a correct change - Yes - What do you want to drink - Lemon soda - Insert coins press button - take .