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
Wb Lesson 14, Exx. 1 and 2.
Ex. 1 should be done in class. The Ss have to make an effort to revise the text and complete the passage individually or in groups. Then check the answers with the whole class.
Ex. 2 can be done orally in class. You may change it to a Chinese-English translation exercise and get the Ss to give you the English without looking at the book.
Step 8 Consolidation
Ask Ss to say what is happening about farmland and food production in
Homework
Read the passage again and complete the notes in Part 3.
Finish off the Workbook exercises.
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