高中英语优秀教案：Unit3 Inventors and inventions（新人教版选修8）.docVIP

Unit 3 Inventors and inventions The First Period Warming up 一．Aims: 1. Teaching aims 教学目标： Help the students learn how to talk about inventions and discoveries. 重点词汇和短语 discovery, application, evaluate, presentation, alternative, messenger, get together, make a case for, add up 2. Ability aims能力目标 Enable the students to talk about information and different. 二．Contents Step I Ask the students to talk about the pictures with the teacher’s help, and then discuss the first two questions. what is a discovery? What’s the difference between a discovery and an invention? Step II Work in pairs and talk about the three different things, telling them apart and giving reasons. 1. Which these pictures show inventions? Does any of them show discoveries? 2. Work out two rules that will help you decide what is a discovery and what is an invention? Step III Go on with some other questions of this part. What modern inventions do you know? Describe them to your partner and how useful they are in life today. Step IV Work in groups of four to discuss the question: Suppose you are working for a mobile company. It is your job to suggest new ways of developing a mobile. In pairs discuss some new applications of a mobile. Make a list of the ones you like and that seem the most useful. Choose one you both like and think will be popular with other people. The Second Period Reading 一．Aims: 1. Teaching aims 教学目标 How s to describe the problem of the snakes and what has been done by the writer to solve the problem. 重点词汇和短语 Patent, distinguish, product, power, perfume, cube, abrupt, abruptly, convenient, expectation, monitor, passive, criterion, valid, application, file, rod, call up, now and then, set about, in case 2. Ability aims能力目标 Enable the students to describe the problem of the snakes and what has been done by the writer to solve the problem. Make them realize it takes steps to catch the snakes and it’s not easy to get a patent. 二．Contents: Step I Ask the Ss to guess about the c