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英语教案－Senior 3 unit4 lesson15

[06-21 12:27:02]   来源：http://www.77xue.com  高二英语教案   阅读：8509次
概要：1 You can increase the area by irrigation; you can build dams and water your fields; you can pump water from low-lying areas; 2 You can develop new plants which produce heavier crops; 3 You can develop new plants which grow in poor soil; 4 You can develop new plants that are less likely to be attacked by pests and diseases. Step 6 Reference SB Page 21, Part 4. Read the instruction and check that the Ss know what to do. Do the first two items oral
英语教案－Senior 3 unit4 lesson15,标签：人教版高二英语教案,高二英语教案下载,http://www.77xue.com
1 You can increase the area by irrigation; you can build dams and water your fields; you can pump water from low-lying areas;

2 You can develop new plants which produce heavier crops;

3 You can develop new plants which grow in poor soil;

4 You can develop new plants that are less likely to be attacked by pests and diseases.

Step 6 Reference

SB Page 21, Part 4. Read the instruction and check that the Ss know what to do. Do the first two items orally with the whole class. Then let the Ss work through this exercise in pairs. Check the answers at the end. Answers:

1 about 10,000 years ago

2 1 billion people

3 how to feed a growing world population

4 the sea

5 11 % of the earth‘s land surface

6 farmland

7 desert land can now be used for growing crops

8 new types of plants

Step 7 Workbook

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