Unit 5 Using Language 课件-2023-2024学年高二英语人教版（2019）选择性必修第一册

Unit 5 WORKING THE LAND——Using Language Evaluate chemical farming and organic farming WORKING THE LAND —— Using Language Chemical Versus Organic Farming Li Ziqi is expert at planting. She has a magic yard full of plants, such as vegetables, fruits and flowers. She also encounters some problems when tending to the plants in the yard. pesticide insecticidal lamp (杀虫灯) natural enemy (天敌) compost (堆肥) chemical/artificial fertilizer manure (粪肥) fertilizer Fertilize the soil rid the soil of the weed kill off the pest pesticide chemical/artificial fertilizer insecticidal lamp(杀虫灯) natural enemy compost(堆肥) manure(粪肥) Versus What is to be included in the passage with the title? A. What organic farming is B. Why man-made chemicals are still used in farming C. Organic methods for producing rich soil D. The problems with chemical farming Para. 1-2 Para. 3 Para. 4 Para. 5 chemical pesticides artificial fertilisers in widespread use in farming The middle of the 20th century many farmers welcomed fight crop disease increase production long-term use can sometimes harm both the land and people's health. Some scientists have found Now ＋ Para1 Para1 Para 1 stay in the and pesticide bacteria & insects harmful+helpful affect the the animals and humans who digest may make them ill and cause cancer Para 2 soil underground water crops destroy in turn转而 less nutrition less essential minerals less flavour prohibited 2.keep the air, soil, water, and crops ______________ Q1. What’s organic farming? Q2. What are the benefits of oragnic farming? Organic farming is simply farming without using any chemicals. Organic farmers focus on keeping their soil rich and free of disease through ____________ . benefits 1.make the soil _______________ Para 3 e.g. use natural waste from animals as fertiliser natural means richer in minerals free of chemicals As an alternative? less nutrition less essential minerals less flavour Paragraph4? produce rich soil Para