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Revision and Lead–in Eating Habits Agricultural Produce Agricultural Produce Nature What are the relations between them ? Eating habits affect the changes

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Revision and Lead–in

Eating HabitsEating HabitsAgricultural

ProduceAgricultural

ProduceNatureNature

What are the relations between them?

Eating habits affect the changes in agricultural produce, at the same time the development of agriculture has effects on nature.

Look at the pictures and classify traditional and modern farming, then compare these two ways.

Pre-reading

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Traditional farming (12 3 4)

Agriculture

Modern farming (5 6 7 8)

AgricultureTechniques

Traditionalagriculture

Modern agriculture

Raising animals

in small scale in large scale

cheap, eggs and meat are tasty

expensive, chickens are big and fat

Advantages and disadvantages of

traditional and modern agriculture.

Advantages and disadvantages of

traditional and modern agriculture.

AgricultureTechniques

Traditional agriculture

Modernagriculture

Fertilisers

natural (manure)

chemical

free, cheap, bad smell, difficult to transport

expensive, no smell, easy to transport

AgricultureTechniques

Traditional agriculture

Modern agriculture

Farming tools

Animals Machines

cheap, no pollution,need to rest

expensive, air pollution,convenient, use longer

AgricultureTechniques

Traditional agriculture

Modern agriculture

Climate control

Open air Greenhousecontrolled by weather and land condition

expensive, but can be built where necessary

Q1: What’s the biggest problem to Chinese farmers?

Q2: What does GM mean?

The shortage of arable land.

“G” stands for “genetically”“M” stands for “modified” (changed)

1. In China only seven percent of the land is used for farming. This is _____. A. because farmers don’t need more land

to produce food for the whole population B. because China needs more and more

land to build cities C. because there are not enough farmers

to work on the land D. because the other land cannot be used

for agriculture

Choose the best answer.

2. Fertilisation is a technique that is used t

o ______.

A. make poor soil better

B. make wet land drier

C. make dry land better

D. grow vegetables with their roots

in water instead of earth

3. Modern agriculture means finding

ways to _____.

A. increase irrigation and stop using f

ertilisers

B. stop irrigation and using fertilisers

C. increase production and be friendly

to the environment

D. produce the same amount while tak

ing better care of nature

4. In the sentence “… they are protected

from the wind, rain and insects”, “they”

means _____.

A. greenhouses B. roots

C. vegetables D. tomatoes

5. In GM “M” stands for “modified”,

which means “changed”. What changes is

______.

A. the way in which poor soil is made better

B. the way in which Chinese farmers work on their land

C. the way in which crops develop from seed

D. the way in which farmers take care of the environment

Divide the text into four parts.Divide the text into four parts.

Part I

Part II

Part III

Part IV

(Para 1) A brief introduction to agriculture and arable land in China

(Para 2) How to use advanced techniques to improve agricultural production

(Para 3)

Scientists started to develop new techniques to increase agricultural production without harming the environment

(Para 4-6)Using the latest technologies to settle the problem with the shortage of arable land

Modern agriculture has developed through periods according to the text. What was mainly developed in each period ?

Period 1 : More advanced technical information was brought in from abroad in the 1980s.Period 1 : More advanced technical information was brought in from abroad in the 1980s.

Period 3 : Using the latest technologies to grow vege-tables, such as greenhouses, GM.Period 3 : Using the latest technologies to grow vege-tables, such as greenhouses, GM.

Period 2 : Scientists started to develop new techniques to increase agricultural production without harming the environment from---

Period 2 : Scientists started to develop new techniques to increase agricultural production without harming the environment from---

With the development of m________ agriculture , farmers are realizing more and more the importance of protecting nature. Since the early 1990s, scientists have been trying to develop new t________ to increase agricultural p_________ and protect the e_____________ at the same time. Some c________ can help to produce better crops but are very h_________to our environment. Some have a very good e__________on removing weeds but they damage crops at the same time. So new techniques should not only help increase production but also be f__________ to the environment. We should depend on high technology and t_____________ methods as well to develop our agriculture because food production and taking care of the environment are of the same i____________.

odern

echniquesroductionnvironment hemical

sarmful

ffect

riendlyraditional

mportance

Discussion How can we develop modern agriculture to meet

the change of people's eating habits without destroying or damaging the environment?

1.Modern agriculture should not go against nature.

2.We can develop Eco-agriculture.

3. Use less chemical fertilizers, pesticide.

4. Protect the soil from being lost. Improve the soil conditions.

5. Grow different plants in different areas.

HomeworkHomework 1. The text doesn't have an endin

g , please imagine an ending for it.

1. The text doesn't have an ending , please imagine an ending for it.

2. Preview the language points in the text.2. Preview the language points in the text.

Genetically Modified (GM) food

cherry tomato

含乙肝疫苗的转基因土豆

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转基因金稻