Unit 3 Inventors and InventionsVocabulary and expressions---教案Teaching Goals: 1. To enable Ss to master key phrases and expressions2. To enable Ss to learn how to use these words and expressionsTeaching Procedures:Step 1. Language studyPurpose: To train Ss’ listening ability and language capacity.1. Ask Ss to read the text and match Column A with Column B. Column A Column B(1) upset A. standard of judgment (2) distinguish B. substance that has been crushed, rubbed, or worn to dust(3) powders C. having force in law(4) approach D. trouble; cause( sb )to be disturbed (5) abruptly E. make (oneself) well known; see or recognize the difference(6) valid F. way; path, road(7) criteria G. suddenly; unexpectedlySuggested Answers: (1) D (2) E (3) B (4) F (5) G (6) C (7) A2. Ss are divided into small groups and have a discussion. Find out difficult words and expressions and write the words and expressions found on a piece of paper. 3. Get students to display their papers by projector, and tick out the most useful words and expressions. call up now and then get rid of set about at the same time according to in addition be different from fill in file sth with sb4．Explain some important sentences用心 爱心 专心(1) Here was a chance for me to distinguish myself by inventing something that would catch snakes but not harm them.(2) The first thing I tried to do was to see if there were Products that might help me, but there only seemed to be powders designed to kill snakes..(3) Only after you have had that recognition can you say that you are truly an inventor.(4) The criteria are so strict that it is difficult for new ideas to be accepted unless they are truly novel(5) Nor will you receive...
