新人教必修4教案 Unit2 Working the land[全套教案]

III. Guided writing
1. Writing a poster
Writing a poster which includes all the information about the uses of computer so that you will encourage more farmers to buy and use. You are asked to base your poster on the overall pattern of the article you learned Organic Farming. Limit your poster to between 200 and 250 words.
2. Writing a speech
Write a speech for Professor Yuan Longping. He is to attend an international conference on modern agriculture. You may also make use of the library and network resources for the task.

IV. Further applying 
Finding information
Read online to find as much information as possible about Professor Yuan Longping and his research group. Share your findings with you partner next time you are here.
Writing a report
Go back home to interview your parents or your grandparents about China’s agriculture, its past and present situations. Write a report in English in about 500 words as a weekly project.
Acting a text play
Turn either one of the two articles into a text play. Rehearse it and play it in front of the class. The play shall last at least 10 minutes.

V. Closing down
Closing down by filling a form
To end the period please fill in the form below.
What is organic farming?
definition 
characteristics 
potentials 
Closing down by imaging
Imagine and write about what the agriculture will be like 50 years from now in the future. Use your imagination to compete for “wild thinking prize”.

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

The fifth period Writing

Step 1 Speaking
Try to find reasons to persuade people to buy your food. These words and expressions may help you.
    I would rather...
    I don’t...because...
    I’d prefer...because...
    Should I/we...?
It’s better to...
This is good value because...
If I have a choice I’d choose... because...  
What is the advantage of...?
You need to...

Step 2 Writing
1 Buy the best fruits here            
We only sell green food in this shop!
Best choice at best price!
Safe, healthy, clean, fresh. Far away from any pollution.
21. No chemical fertilizer, all organic fertilizers
2. Clean air, clean water                           
3. No poison, no pesticides                      
4. Home in heaven

Step 3 Speaking and Writing Task on Page 53.
NOTES
 keeping fish in ponds
 taking eggs from the best quality fish
 feeding fish
 keeping fish very close together
 understanding that fish diseases are a problem
 trying to stop fish being affected by diseases
 removing fish that are the right size for eating or selling
 delivering fresh fish to the market

Step 4 Sample writing
Show the students the sample writing and ask them to read it.

Step 5 Homework
Next time we’ll finish this unit. What we’ll do next period is to check your homework on Page 49 and finish the Project and Checking Yourself on Page 47, Summing up on Page 16, and so on.

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