高中英语（m4）教学资料-u2 oganic farming(1)

1、整理课件整理课件 Part 3. I. DAABD ADBAD BCBAD CDD1. Thanks to / Because of 2. freedom 3. four times as high 4. is certain/ sure to 5.Getting up early is 6. with the hope of III. 1. a the 2. grow 改为改为growing 3.feed 前加前加to 4. country 改为改为countries 5. another改为改为 other 6. why改为改为that 7. kind改为改为 kinds 8. espec

2、ial 改为改为 especially 9. most 前加前加the 10. in去掉去掉整理课件整理课件 CHEMICAL OR ORGANIC FARMING?Unit 2 Using Language 整理课件整理课件整理课件整理课件整理课件整理课件without using any chemicals整理课件整理课件整理课件整理课件 1. Why are chemical fertilizers so popular in farming today?Because farmers welcomed them as _ to stop crop disease and increas

3、e production.a great wayParagraph 1整理课件整理课件Paragraph 2What are the problems caused by chemical fertilizers?_整理课件整理课件3. What is the main reason for using organic farming methods? The main reason for using organic farming methods is to _and to _or_. grow good foodavoid damaging the environmentpeoples

4、health整理课件整理课件A summaryIn recent days, scientists have discovered that _ chemical fertilizers for a long time can hurt the land and also peoples health. There are several problems _ by chemical fertilizers. They _ the land, _ in the ground and underground water for a long time and get into peoples b

5、odies through their_. Organic farming is becoming more popular _someusingcauseddamagestayfoodwith整理课件整理课件farmers and many customers after these discoveries came out. Organic farming does not use any_. Organic farmers use many _ to keep the soil fertile. All of these methods try to produce good food

6、and _ causing damage to the environment or peoples health.chemicalsmethodsavoid整理课件整理课件整理课件整理课件整理课件整理课件整理课件整理课件Discussion in groups of 4.One writes down, and then reports.GM foods (genetically-modified )整理课件整理课件整理课件整理课件整理课件整理课件整理课件整理课件整理课件整理课件Homework Write the summary and hand them in. 整理课件整理课件 Org

7、anic Farming整理课件整理课件整理课件整理课件 整理课件整理课件Main idea of the passageChemical fertilizers can cause many problems, so organic farming is becoming more popular.整理课件整理课件ORGANIC FARMINGStructure of the textI using chemical fertilizers for a long time can hurt the land and also peoples healthII Problem caused b

8、y chemical fertilizers整理课件整理课件1. Damage the land by killing the helpful bacteria and pests as well as the harmful ones2. Lead to cancer or other illness.3. Food grown with chemical fertilizers look beautiful, but inside there is usually more water than vitamins and minerals.整理课件整理课件 Organic farming

9、is becoming more popular with some farmers and many customers after these discoveries came out. IV Other methods to keep the soil fertile.整理课件整理课件Step 1: ReviewStep 1: ReviewWhat can you say about these topics?Working the land土地耕作土地耕作Yuan Longping整理课件整理课件Working the land土地耕作土地耕作80% Their ways of farming also improves a lot. Chemical f