高中英语Book 4 Unit 2 Working on the land reading
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Para 2: Farmers prefer natural waste from animals.
Para 3: Farmers change crops every two or three years.
Second reading
Read the text again and answer the following questions:
1.What is organic farming?
Organic farming means growing crops without chemical fertilizers.
2.What problems are caused by using chemical fertilizers?
1. What made Jia Sixie become interested in improving Chinese farming?
He saw how some farms produced good crops and healthy animals and others did not.
2.Farmer often grow the same crop year after.As a result, the soil gets exhausted. 3.Chemical fertilizers kill both helpful and harmful bacteria and pests.
Suggested answer to Ex.2:
The results from the two farms are so different because the healthy soil from Mr Smith’s farm helped his plants fight the disease and grow healthily.
1.leaving…is not good 2.grow…year after year
III. Farmers change crops every two or three years.
…to make sure what is left …
Read the passage on Page 51, then finish the exercises on Page 52.
3.They plant crops that need surface soil and next crops that grow at a deeper level. So the wind and water doesn’t carry away the soil.All the
richness of the soil is used.
Advice for farmers
Way to get rid of weeds(1)
let animals eat them before planting
Way to get turn the soil over and
rid of
cover so the weeds die.
weeds(2)
Third reading
Read the text again, and fill in the following forms.
Advantages of organic farming
Reasons
1.Farmers use
natural waste from 1.This makes the soil richer in
Suggested answer to Ex.3:
Summary D is the correct answer.
Assignment
• Try to correct the poster. • Finish the exercises oetell the text according to the chart:Organic farming
I.Crops growing with natural fertilizers. II.Farmers prefer natural waste from animals.
Farming practices
Crops grown
Mr Jones’ farm
Carrots, cucumbers,
pumpkins
fertilizer chemical
Other plant
nutrition
water
Results
empty inside
Mr Smith’s farm
Carrots, cucumbers, pumpkins natural
If you want to plant some crops, what kind of fertilizer will you use? Why?
1. Listen to the passage for twice, then finish the chart in Ex.1 on Page 14.
animals.
minerals and so more fertile.
2.The soil is not 2.Peas and soybeans renew the
exhausted.
minerals in the soil becomes rich and
healthy.
3.They use the soil to best advantage.
Advice for farmers
Autumn planting
Spring ploughing
Crops
deep ploughing
less deep ploughing
change crops grown in the same field every year.
Listening
Listening – I
Natural fertilizer
Chemical fertilizer
1.make…richer and more fertile 2.reduce…and help…strong 3.the fertilizers kill…and healthy 4.keep free…from chemicals
1.What is organic farming?
2.What problems are caused by using chemical fertilizers?
3.Why do organic farmers grow peas or soybeans after corn or wheat?
2. How did he think he could help farmers?
He thought that when he found the best agricultural methods he would write them dawn so all farmers.
3. What advice did he give farmers? Make notes in the chart.
water
Solid and healthy inside
2. Listen to the tape for the third time and try to find the answers for Ex.2 and Ex.3 on Page 15, then check the answers.
Unit 2 Working the Land
Using language
Reading
First reading
Read the passage , then find out the main idea of each paragraph.
Para 1: What is organic farming?
3.Why do organic farmers grow peas or soybeans after corn or wheat?
Farmers grow peas or soybeans after corn or wheat so that peas and beans can put minerals back into the soil, making it rich and healthy and ready to grow more wheat or corn.
Advice for farmers
Keeping hang seed-heads up to dry seeds all winter, knock seeds out
when they are sown
Choosin choose ones with the best g seeds colour to plant
There are three problems.First, chemical fertilizers affect the soil and the water supply badly.Second, they allow farmers to grow the same crop year after year and exhaust the soil.Third, they kill both helpful and harmful pests.
What is the disadvantage of using chemical fertilizers? 1.Leaving chemicals in the ground for a long time is not good for the soil or the water supply.
Para 3: Farmers change crops every two or three years.
Second reading
Read the text again and answer the following questions:
1.What is organic farming?
Organic farming means growing crops without chemical fertilizers.
2.What problems are caused by using chemical fertilizers?
1. What made Jia Sixie become interested in improving Chinese farming?
He saw how some farms produced good crops and healthy animals and others did not.
2.Farmer often grow the same crop year after.As a result, the soil gets exhausted. 3.Chemical fertilizers kill both helpful and harmful bacteria and pests.
Suggested answer to Ex.2:
The results from the two farms are so different because the healthy soil from Mr Smith’s farm helped his plants fight the disease and grow healthily.
1.leaving…is not good 2.grow…year after year
III. Farmers change crops every two or three years.
…to make sure what is left …
Read the passage on Page 51, then finish the exercises on Page 52.
3.They plant crops that need surface soil and next crops that grow at a deeper level. So the wind and water doesn’t carry away the soil.All the
richness of the soil is used.
Advice for farmers
Way to get rid of weeds(1)
let animals eat them before planting
Way to get turn the soil over and
rid of
cover so the weeds die.
weeds(2)
Third reading
Read the text again, and fill in the following forms.
Advantages of organic farming
Reasons
1.Farmers use
natural waste from 1.This makes the soil richer in
Suggested answer to Ex.3:
Summary D is the correct answer.
Assignment
• Try to correct the poster. • Finish the exercises oetell the text according to the chart:Organic farming
I.Crops growing with natural fertilizers. II.Farmers prefer natural waste from animals.
Farming practices
Crops grown
Mr Jones’ farm
Carrots, cucumbers,
pumpkins
fertilizer chemical
Other plant
nutrition
water
Results
empty inside
Mr Smith’s farm
Carrots, cucumbers, pumpkins natural
If you want to plant some crops, what kind of fertilizer will you use? Why?
1. Listen to the passage for twice, then finish the chart in Ex.1 on Page 14.
animals.
minerals and so more fertile.
2.The soil is not 2.Peas and soybeans renew the
exhausted.
minerals in the soil becomes rich and
healthy.
3.They use the soil to best advantage.
Advice for farmers
Autumn planting
Spring ploughing
Crops
deep ploughing
less deep ploughing
change crops grown in the same field every year.
Listening
Listening – I
Natural fertilizer
Chemical fertilizer
1.make…richer and more fertile 2.reduce…and help…strong 3.the fertilizers kill…and healthy 4.keep free…from chemicals
1.What is organic farming?
2.What problems are caused by using chemical fertilizers?
3.Why do organic farmers grow peas or soybeans after corn or wheat?
2. How did he think he could help farmers?
He thought that when he found the best agricultural methods he would write them dawn so all farmers.
3. What advice did he give farmers? Make notes in the chart.
water
Solid and healthy inside
2. Listen to the tape for the third time and try to find the answers for Ex.2 and Ex.3 on Page 15, then check the answers.
Unit 2 Working the Land
Using language
Reading
First reading
Read the passage , then find out the main idea of each paragraph.
Para 1: What is organic farming?
3.Why do organic farmers grow peas or soybeans after corn or wheat?
Farmers grow peas or soybeans after corn or wheat so that peas and beans can put minerals back into the soil, making it rich and healthy and ready to grow more wheat or corn.
Advice for farmers
Keeping hang seed-heads up to dry seeds all winter, knock seeds out
when they are sown
Choosin choose ones with the best g seeds colour to plant
There are three problems.First, chemical fertilizers affect the soil and the water supply badly.Second, they allow farmers to grow the same crop year after year and exhaust the soil.Third, they kill both helpful and harmful pests.
What is the disadvantage of using chemical fertilizers? 1.Leaving chemicals in the ground for a long time is not good for the soil or the water supply.