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1、2022年高中英語Unit2 Working the land Using language導學案新人教版必修4Learning Goals:1. develop the students skills of summarizing.2. help the students realize the importance of organic farming.Previewing (預(yù)習)Fill in the blanks with a proper word from the passage on page 14 .1.Some can cause disease. People usual

2、ly take some medicine to help them to recover.2.If someone makes a , he or she is the first person to find or bee aware of something that no one knew about before.3. Stores of grain are frequently attacked by , especially rats.4. If you are careful in your exam, you can mistakes you will make.5. Pla

3、nts will grow better in rich and loose .Researching in Class (課堂探究)Step 1 Leading in 1. What is the substance most farmers put on the soil to make crops grow?_ 2. How many kinds of fertilizers do farmers use?_ Step 2 Listening & Reading & Thinking1Skim each paragraph again and find the main ideaPara

4、graph : Long-term use of chemical fertilizers can cause damage to the land and peoples health.Paragraph : Farmers and customers turn to organic farming.Paragraph : Other methods to keep the soil fertile Paragraph : Problems caused by chemical fertilizers. 2What is “organic farming”? ( no more than 1

5、2 words)_ 3Fill the blank: The fertilizer that organic farmers prefer is .4Choose the best answer. （1）Which is not the reason why organic farmers prefer natural waste from animals? A. It can keep the food free from chemicals. B. It can keep the air, soil and water free from chemicals. C. It can kill

6、 harmful pests. D. It can make the soil richer in mineral.（2）What is the advantage of using chemical fertilizers? A. Leaving chemicals in the ground for a long time is good for water supply. B. They can get the soil exhausted. C. They can kill helpful bacteria. D. They can kill harmful pest. 5What d

7、oes the word“it” (Line 3,Para4 ) probably refer to？（no more than 2 words）_ 6Skim the passage again and find the main idea. can cause many problems, so is being more popular. Step 3 Discussing If you want to plant some crops, what kind of fertilizer will you use? Why?(Grown in clean air; free of poll

8、ution; rich in nutrition; do good to peoples health and the environment; food tastes better )_ Step 4 Presenting Present the results of the discussion and answers to the questions.Step 5 Teachers evaluationStep 6 Testing1. Fill the blanks with proper words. In recent years, scientists have discovere

9、d that using 1 fertilizers for a long time can 2 the land and also peoples health. There are several problems 3 by chemical fertilizers. They hurt the health of the land, 4 in the water for a long time and 5 peoples bodies 6 their food. 7 farming is being more popular 8 some farmers and many custome

10、rs after these discoveries came out. Organic farming does not use any 9 . There are many organic farming methods 10 making the land healthy and productive. All of these methods try to produce good food and to keep the environment and people healthy.2. Translation.1.然而，最近科學家發(fā)現(xiàn)長期使用這些肥料會造成土地受損，甚至更危險的是，會對人們的健康造成危害。2.他們通常每隔幾年換種農(nóng)作物，比如在種玉米或小麥后的一年種豌豆或大豆。3.像豌豆、大豆一類的農(nóng)作物將重要的礦物質(zhì)帶回土壤，使之適宜于種植那些要求土壤肥沃的農(nóng)作物，例如小麥或玉米。