Unit2 Working the land.ppt
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1、Working the land,unit2,Warming up,If you had the chance to do one thing to help end hunger in the world,what would you do?,increase the rice output,Poor rice,Super hybrid rice,Have you ever been to the countryside?what did you do there?,Farming,Are you from a farmers family?what do you know about fa
2、rming?,soil,ploughing,crops,weather&climate,Irrigating(灌溉),Agriculture in the past,Agriculture in the modern times,Growth of major farm products1991-95 compared with 1986-90 percentages.,Agriculture has been greatly developed nowadays.,Pre-reading(4ms)Answer the following questions:,What is the main
3、 food in all East Asian and Southeast Asian countries?,Rice.It is said that there are 2.4 billion people to eat rice every day throughout the world.,What do you think would happen if tomorrow there was suddenly no rice to eat?,If that happened,people there would suffer from starvation.People would b
4、e panic(惊慌)and the whole country would get into trouble.,Many African people suffer from hunger.,Reading,Farmers weeding at noon,Sweat down the field soon.,Who knows food on a tray,Due to their toiling day.,Poem,-By Li Shen,plow the field,grow some young plants,insert the young plants into the field
5、,harvest,rice,Task 2:Skim the passage to check if you are right or not.,Task 1:Look at the title of the passage and the picture on Page 10.Predict what the reading passage is about?,Pre-reading,Skimming,Task:Skim the passage to find Yuan Longpings main achievement.,He grows super hybrid rice.,Task:W
6、hat is the main idea of each paragraph?,Para1Para2Para3para4,His dreamsHis personalityWhat he thinks of himself and his achievementHis biography and his achievements,Fast Reading,A pioneer for all people,Yuan Longping-Father of Hybrid Rice,Careful Reading,Task 1 Read the passage and decide whether t
7、he following are true or false.,Dr.Yuans kind of rice is the most suitable for Chinas farmland.Dr.Yuan is a farmer not a scientist.Dr.Yuan would rather work than relax.Dr.Yuan enjoys a simpler life than most rich and famous people.,T,F,T,T,Careful Reading,Task Read the passage and decide whether the
8、 following are true or false.,5.The special rice makes it possible to produce one-fifth more of the crop in the same field.6.Dr.Yuan cares about being famous.7.One of his dreams is to export his rice so that it can be grown around the world.,F,F,T,Careful Reading,Task Read the text carefully and fil
9、l in the blanks.,Yuan Longping,Chinese,79,Scientist,Graduated from Southwest Agricultural College in 1953,To export his hybrid rice so that it can be grown around the world,Developed hybrid rice,Listening to violin music,playing mah-jong,swimming and reading,Post reading,Why does he consider himself
10、 a farmer?,He works in the field to do his research.Sunburnt face and arms and his slim,strong body.The first agricultural pioneer in the world.Grow hybrid rice.,Post reading,Is Dr Yuan more of a scientist or more of a farmer?Do you think he is a businessman?,I think he is more of a scientist.His ma
11、in purpose is not to make a profit for himself but to study agricultureand use that knowledge to improve farming for farmers everywhere.I do not think he is a businessman,because his goal is not to make money.,How would you describe Dr Yuans personality?Use some adjectives.,Patient,careful,hard-work
12、ing,intelligent,considerate,kind,determined,helpful,unselfish,Post reading,An interview,Reporter:Dr Yuan,may I ask you some questions?Dr Yuan:Go ahead.Reporter:,If you had the chance to do something to help end hunger in the world,what would you do?,Discussion,There is still hunger in the world.,The
13、 measures taken to deal with hunger.,Invent a new kind of plant to produce more food.,Find a new sort of fertilizer(肥料)to give riceenough nutrition,Find some new ways to stop the pollution to the environment and protect the soil in the field.,One of the best ways to solve the food shortage problem i
14、s to increase rice harvests through the science and technology.,Homework,Writing practice Write a short biography about Dr.Yuan(about 120 words)2.Learned the words by heart.,Reading 2&3,Organic Farming listen and then find out the main idea of each paragraph.,Para 1:Para 2:Para 3:,What is organic fa
15、rming?,Farmers prefer natural waste from animals.,Farmers change crops every two or three years.,Second readingRead the text again and answer the following questions:1.What is organic farming?2.What problems are caused by using chemical fertilizers?3.Why do organic farmers grow peas or soybeans afte
16、r corn or wheat?,Organic farming means growing crops without chemical fertilizers.,2.What problems are caused by using chemical fertilizers?,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
17、and exhaust the soil.Third,they kill both helpful and harmful pests.,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.,3.Why do organic farmers grow peas or soybeans after corn
18、 or wheat?,Organic farming,Crops growing with natural rather than chemical fertilizer,Natural waste from animals,Make the soil richer in minerals and more fertile,A healthy soil,Reduce diseases in crops,Help crops grow strong and healthy,Chemical fertilizer,Not good for the soil or the water supply,
19、The soil gets exhausted,Kill both helpful and harmful bacteria and pests,Change crops every two or three years,Corn,wheat,Peas soybeans,Put the minerals back into the soil,making it rich and healthy,Crops that use the surface of the soil(peanuts),Crops that need a deeper level of soil(root vegetable
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