M5U3_Word_power优质课.ppt

remove waste products from the blood and produce urine. They are like the cleaners, repairmen and security guards who look after our school. Now you can see how similar our school life is to our body and we can look after them both. Good matching! school body Cleaners, repairman and security guards Headmaster Teacher Notebook Student brain liver kidney heart stomach * Unit 3 Prefixes and suffixes Organs of the body Word power After so many years of learning English, have you found some easy ways to double your vocabulary? Use prefixes and suffixes Or you can clone it able agree appear lead novel regular respect Read the following words and answer the questions with them. 1. You can’t find your pen. What happened to your pen? (It disappeared.) 2. You want to get the book on the top shelf, but you are not tall enough. Do you think you will be able to reach the book? 3. The two groups don’t agree with each other. They argued fiercely. So what is the problem between them called? (I am unable to do so.) (Disagreement.) 4. Many people respect Mr. Li and think he is a good man. He helps people out and is a good citizen and friend. So can you find a word to describe Mr. Li? 5. Mr. Wang has published several books. He loves his job writing novels. So what is Mr. Wang’s occupation? (respectable) (He is a novelist.) 6. You can’t find the order of the numbers in a group of members. So can you find a word to describe the order of the numbers? (It is irregular.) (They are misleading.) 7. Some ads say that if you take their pills, you’ll be healthy, look younger, become smarter and sleep better. What can you say about these ads? independence in depend ence prefix(前缀) root (词根) suffix(后缀) Prefix: a group of letters that is added to the beginning of a word to change its meaning. Suffix: a letter or a group of letters added to the end of a word to make a different word. Work in pairs and try to guess what a word means by looking at it