内容正文:
Using Language 读写课
Chemical Versus Organic Farming
UNIT5 WORKING THE LAND
春秋熊猫熊猫出品
1
Leading in
Suppose that you are going to a supermarket to buy some vegetables for the dinner of family reunion...
2
1.What’s the difference between the gingers/onions?
2.Why do they enjoy different prices?
3
Organic farming is not pesticide, fertilizer, and other synthetic growth agents of production, but use manure for fertilizer and other organic fertilizers.
4
Which one is organic farming?
×
×
√
chemical pesticides
artificial fertilisers
organic fertilizer
5
Chemical versus organic farming
Fast Reading
6
Chose the main ideas (A-D)below with the paragraphs.Then complete the sentences in the table.
01
02
03
04
A What organic farming is
B Why man-made chemicals are still used in farming
C Organic methods for producing rich soil
D The problems with chemical farming
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part main idea Detail
1-2 Pesticide can kill helpful .
some pesticides have been ,because of the .
Crops grown with chemical fertilisers usually to be full of .
3 Many organic farmers use as fertiliser.
4 They often grown in each field .
They also plant crops that use of the soil to help keep it rich.
5 Organic farming is nowhere near able to meet the high .
D
A
C
B
bacteria and insects
prohibited
damage they cause
grow too fast
nutrition
natural waste from animals
change the kind of crop
demand for food around the world
different depths
every year
8
Chemical versus organic farming
Details Reading
9
Chemical pesticides and artificial
fertilisers have been in widespread use in farming since the middle of the 20th
century.