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《Using LanguageⅠ》精品教案优质课下载
4.Eat healthy food,and keep healthy eating habits
Teaching important points:
To grasp the main idea
Teaching difficult points:
To grasp the main idea
Teaching procedures
Step 1 Warming up
Teachers show students some pictures and let students guess a word according to the pictures.
2.Ask students to have a quick-answer.
1.chemical 2.organic 3. reduce 4.fertilizer 5. nutrition 6.导致
7.逐渐增强； 8.肥沃的；富饶的
9. 生产；制造 10.发现；发觉
11.集中（注意力、精力等）于
12. 使…免受
Step 2 Reading
Task1 Fast reading
1.Scan the first two paragraphs and write or draw your answers.
1)Why are chemical fertilizers so popular infarming today?
2)What problems are caused by using chemichal fertilizsers?
2.Scan the last two paragraphs and write or draw your answers.
4)What is organic farming?
5)What is the main reason for using organic farming methods
3.Show students the right answers to the aboving questions.
1)They are a great way to stop crop diseases and increase production.
2)First,chemical fertilizers affect the soil and the water supply badly.Second,food grown with chemical fertilizers has more water than vitamins and minerals.Third,they both helpful and harmful pests.