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必修3《Lesson 3 Clean Machines》新课标教案优质课下载
To talk about the improvement of Beijing traffic by using the Present Perfect and Present Perfect Continuous;
Teaching aids: textbook, computer, projector, hand-out
Teaching difficulties:
To use Present Perfect and Present Perfect Continuous in a proper situation;
To talk about the improvement of Beijing traffic by using the Present Perfect and Present Perfect Continuous;
Teaching procedures:
Step 1: Lead-in
Ss listen to a song and fill in the missing words.
Introduce: have/ has been doing → Present Perfect Continuous
Step 2: Observe and Conclude
Ss fill in the blanks in Exercise 1 on the hand-out.
Ss observe and discuss why Present Perfect Continuous is used in the sentences.
Conclude the features of Present Perfect Continuous.
Step 3: Oral practice
Ss work in pairs and make up short dialogues with the given cues.
Ask some to act out the dialogues.
Step 4: Reading
Show some pictures to introduce the topic of the reading material.
Ss read the text on p41 and find out the answers to the following questions:
Why has Logan been designing solar racing car for a long time? How many racing cars has he designed?
How long has he been taking part in races? How many races has he taken part in?
What has he been doing recently with a team from Queensland University? Have they finished that?
Has he been writing a book? How much has he written?
Check the answers with the whole class.
Get the Ss to reread and observe some sentences from the text.