教案3

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Unit 2 Working the land
The fourth period Listening
Step 1 Pre-listening
1. Talk about the the differences between organic farming and fertilizer farming. And show the picture
2. Introduce some new words in the listening passage
valley competitor determinedpour carrots
cucumbers pumpkins attack spread like wildfire
sigh solid
Step 2 Listening
Listen to the tape and answer the following questions:
1. What does the passage tell us?
2. What do the words in the first column mean?
Crops grown means how their crops grow. Well or bad?
Fertilizer means what kind of fertilizer they use. Organic or chemical?
Other plant nutrition means maybe, besides those two fertilizers, they still had some more powerful ones.
Listen to the tape and finish the form
Step 3
Get the students to answer:
2 Why do you think the results from the two farmers are so different?
3 Look at the summaries of the story. Decide which is correct and explain why the others are wrong.
Step 4 Listening text
Hand out the listening material , listen to the tape , then complete the passage with the right answers
Step 5 Listening on Page 48
Listen to the tape ,and Put these stages of turning fertile land into a desert in order. Fertile farmland. ( )
Soil is blown away. ( )
Plants die. ( )
Land becomes dry. ( )
Not enough water. ( )
Soil turns to sand. ( )
Step 6 Listening text
Give the students the listening material to finish。