Show your summary to the whole class.
SUMMARY for reference
Scientists have recently discovered using chemical fertilizers for a long time can harm the land and also people’s health. Chemical fertilizers cause some problems. They harm the land, stay in the water for a long time and get into people’s bodies through their food. With these discoveries , organic farming is becoming more popular with farmers
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1 饥荒 2 烦人的 3 十年 4 努力 5 除去 6 感到满意 7 因此 8 集中 9 战斗 10 统计数字 11 扩大
Help me, help you, help everyone.
Unit 2 Working the land
Return GREEN to the earth!Class13 & Class 14
Senior One Guangdong Zhaoqing Middle School
Mr. Paul Zeng
Read the passage and answer the following questions.
1. Why are chemical fertilizers so popular in
farming today?
2. What problems can be caused by using chemical fertilizers? 3. What is organic farming? 4. What is the main reason for using organic
1饥荒 2 烦人的 3 十年 4 努力 5 除去 6 感到满意 7 因此 8 集中 9 战斗 10 统计数字 11 扩大
12 减少 13 导致 14 庄稼 15 产量 16 宁愿 17化学肥料 18 细菌 19 害虫 20 残留在 21 积累 22 营养
Байду номын сангаас• • • • • • • • • •
23 矿物质 24 发现 25 有机耕作 26 使…… 免受 27 多亏 28 高产量 29 交流 30 使具备 装备 31 国籍 32 职业
Paragraph One
Recently, however, scientists have been finding that long-term use of these fertilizers can cause damage to the land and, even more dangerous, to people’s health. In recent days, scientists have discovered that using chemical fertilizers for a long time can harm the land and also people’s health.
farming methods?
Answer the following questions.
1. Why are chemical fertilizers so
popular in farming today?
They are a great way to stop crop disease and increase production.
3. What is organic farming? Organic farming means growing crops without using any chemicals. 4. What is the main reason for using organic farming methods? The main reason for using organic farming methods is to grow good food and to avoid damaging the environment or people’s health.
Underline and reword topic sentences
• Find and underline the topic sentence of each paragraph. Rewrite each topic sentence, using your own words. Do not copy from the passage!
Skim the passage to find the main idea of the passage. Write it down in your own words.
Main idea of the passage
Chemical fertilizers can cause many problems, so organic farming is becoming more popular.
Paragraph Two
What are some of the problems caused by chemical fertilizers?
There are several problems caused by chemical fertilizers.
Paragraph Three
With these discoveries, some farmers and many customers are beginning to turn to organic farming.
and many customers. Organic farming uses no chemicals. There are many organic farming methods for making the land healthy and productive. All of these methods try to produce good food and to keep the environment and people healthy. (93 words)
Daily greetings 1.Have you ever gone shopping for vegetables? 2.How do you deal with them before eating them? 3. Why do you have to do so? 4. Can you say anything about green food?
True or False
• Listen to the text and choose True or False for the following statements.
True or False
• 1. To avoid damaging the environment is one of the main reasons for using organic farming methods. T • 2.To increase production is the main reason F for using organic farming methods. • anic farming means growing crops without using any chemicals. T • 4.Chemical fertilizers can only hurt people’s health. F • 5. There will be more organic farmers in the future. T
Swap summaries
• Swap summaries with your partners and give each other comments(评价). Check your partner’s summary for the main idea and topic sentences.
SUMMARY for reference In recent years, scientists have discovered several problems caused by chemical fertilizers, while organic farming, which can make the land healthy and productive, is becoming more popular. (27 words)
What is the substance we put on the soil which makes crops grow? It is fertilizer.
How many kinds of fertilizers do farmers use? There are two kinds. They are chemical fertilizers and natural ones.
2. What problems can be caused by using chemical fertilizers? They can damage the land by killing helpful bacteria and pests and by staying in the ground and underground water for a long time. They damage people’s health by building up in their bodies and leading to cancer or other illnesses.