高中英语第四册Word Power教案
Teaching objects:
1. learn prefix and suffix and learn to guess meanings based on prefix and suffix
2. learn organs of the body
Teaching procedures:
I Prefixes and suffixes
Step I Lead-in
appear, novel, regular, respect
We are going to have some questions. Please use these words to help you, but you need to add some letters to the words first.
1)You cannot find your new pen. What happened to your pen? It disappeared
2) 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?
Respectable
3) Miss Wang has published several books. She loves her job writing novels. So what is Miss Wang’s occupation(职业)? She is a novelist
4) You cannot find the order of the numbers in a group of members. So can you find a word to describe the order of the numbers? irregular
Step II Introduction
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.

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