高中英语Unit 3 Inventors and Inventions必修八新人教版.doc

Unit 3 Inventors and Inventions Teaching aims: Topic Talking about inventors and inventions Useful words and expressions: Discovery, patent, distinguish, product, power, perfume, cube, abrupt, abruptly, convenient, expectation, monitor, passive, criterion, valid, application, file, committee, bear, jam, mess, forehead, dot, tap, wire, straw, current, importance, helicopter, triangle, stable, practical, refrigerator, court, version. Expressions: call up, now and then, set about, in case, traffic jam, beaten track, dive into, set out, in truth, hang on, out of order, get through, ring back, ring off. 3. Functional items: making a telephone call Hold the line, please. Hang on, please. Just a moment, please. I’m sorry, but this phone is out of order. I can’t get through. Sorry. He isn’t him right now. Can I ring back later? I’ll ring him up again. I must ring off now because… 4. Grammar Revise the Past Participle. The Titanic is a sunk ship in the ocean. The book intended as a surprise to him was lost in the mail. He seems moved to tears by the film. If bitten by a snake, you should call for help. We left them caught in the storm. Teaching procedures Period 1 Reading Step 1. Warming up A. talk about inventions and discoveries. Ask the students to talk about the pictures with the teacher’s help, and then discuss the questions: What’s a discovery? What’s an invention? What’s the difference between a discovery and an invention? Which of these pictures show inventions? Guide the students to find out answers to the previous questions; An invention is something that is created by a human being, such as the lightning rod. A discovery merely makes known something that already existed in nature, such as the discovery on the New Continent by Columbia. B. the suitable order of the steps every inventor must go through before they can have their inventions approved: 1. finding a problem 2. doing research 3. thinking of a creative solution 4. testing the solution 5