Unit 5 Using language-【高效课堂】2022-2023学年高二英语上学期同步精品课件（人教版2019选择性必修第一册）

Unit 5 Working the Land Using Language Theme exploration Warming up Do you know how to grow crops? 1. select the seeds 选种 2. plough the soil/ ploughing 犁 3. turn over the soil 4. sow the seeds/ sowing/seeding 播种 5. remove the weeds/ weeding 除草 6. fertilizing 施肥 Warming up Do you know any tips to keep soil rich? 1. examine the soil regularly 2. change the crop 农作物轮作 3. diverse crops use different depths of soil 4. use fertilizer 化肥 Farming tips: Warming up Fertilizing is an important step in farming. How many kinds of fertilizers do you know? natural fertilizer chemical/artificial fertilizer 化肥 Fertilizers: farming without using any chemicals--fertilizer & pesticide ---ORGANIC FARMING What else do you know about it? Chemical vs Organic Farming Reading Para 1 Para. 2 Para. 3 Para. 4 Para. 5 chemical farming examples pesticide 1....2...3... chemical fertilisers 1...2... organic farming what? how to keep soil rich? why? organic farming how to produce rich soil? why? conclusion benefits