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《Word power： Using suffixes； Sales and marketing》公开课教案优质课下载
Teaching?Importance:?
? The usage of the negative prefixes.??
Teaching?Difficulties:?
1.The usage of the noun & adjective suffixes.
2.Use affixation to do word formation exercises.??
Teaching?Aids:?
Multimedia& Blackboard & Paper
Teaching Procedures：
Warming up
T: Is vocabulary a headache for you?
How do you usually remember English words?
Then use PPT to show some old poetry adaptations to the S.
Step I. Lead in
The three basic elements of forming an English word: prefix, suffix and root.
Step II. Negative Prefixes
Ask S to say the common negative prefixes and their example words.
Then read them together.
Step III: Exercise
Ex. 1: ● 听力理解
Q: How much changes will the man get?
A: 10 dollars B:81dollars C:19 dollars
录音原文Text：
M:How much is it?
W:90 dollars. I will give you a special discount of 10% if you pay in cash.
M:OK, here is 100 dollars.