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教学重点及难点
Main Points:
1.To master the basic sentence：He invented this bicycle in 1839.
2. To talk about what Chinese people invented and what English people invented.
Difficult Points:
To use words and sentences in the past tense correctly.
课前准备（包括教学与学具的准备）
PPT ﹨ tape recorder.
教学过程
Step1 Warm up
1. Game: find the right word.
2. Sentences: according to pictures to make some sentence.
Step2 Presentation and practice
（一）Song: Listen to the song.
Read the sentences and do the actions.
Listen and sing.
（二）Words:
1. Bicycle: Show the picture, and then ask, what’s this?
2. Wheel: Look at these two bicycles.
Can you find the difference between them?
（三）Text
1. Listen and answer my questions:
Who invented this bicycle?
Was he a Chinese?
When did he invent this bicycle?
Answer the questions and show the import sentence:
He invented this bicycle in 1839.
2. Listen and repeat
3. Practice：That’s true﹨ that isn’t true.
To understand the meaning of true.