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1、2022年高中英語Unit2 using language language points教案 新人教版必修4教材分析（analysis of teaching material）: This passage is a about organic farming. Nowadays, the chemical fertilizers are popular among farming. It damages the land, is bad for environment and peoples health. Some farmers and customers prefer the org

2、anic farming. Students can learn something about it from this passage.學情分析（analysis of the students）: This passage is little difficult for our students. There are some difficult sentences for them. Teachers can help students to read them and try to translate them. Meanwhile, our students can learn s

3、omething new about farming. Chemical fertilizers cause many problems, so organic farming are popular among farming. 教學目標(Teaching aims)知識目標(Knowledge aims): can translate the sentences; learn the language points and can finish the exercise on the book. 能力目標(Ability aims):can retell the passage and c

4、an say something about organic farming. Can use the words and expression to express their ideas. 情感目標（Emotional aims）: rise students interest about English and can express their ideas freely. 教學重點和難點（teaching important points and difficult points）#Teaching important points: all language points. New

5、words and expressions#Teaching difficult points: Crops such as peas or soybeans put important minerals back into the soil, making it ready for crops such as wheat or corn that need rich and fertile soil.本句中， making it ready for crops such as wheat or corn that need rich and fertile soil 表示“像豌豆或大豆這樣的

6、農(nóng)作物將重要的礦物質(zhì)帶回土壤”的結(jié)果，即動詞-ing形式表結(jié)果。教學過程(Teaching procedures)Step 1 review 1) Read the words and expressions together.2) Retell the story on page 14.Step 2 language points1. These chemicals in the food supply build up in peoples bodies over time.1）supply n 供給，供應 反義詞：demand supply and demand 供與求be in sho

7、rt supply 供應不足，供應缺乏food supply 食物供應water supply 供水供應品，生活用品，補給品 用復數(shù)形式supplies household supplies 家庭用品medical supplies 醫(yī)用品2） build up 逐漸增強，開發(fā)，建立build up ones body 增強體質(zhì)2. Many of these chemicals can lead to cancer or other illnesses.lead to 導致，造成（后果），通向eg: Eating too much sugar leads to rotten teeth.re

8、sult in 導致，致使result from 由造成，因產(chǎn)生3. In addition, fruit, vegetables and other food grown with chemical fertilizers usually grow too fast to be full of much nutrition.1) in addition 另外，加之eg: In addition (to the names on the list) there are six other applicants.in addition to = besides 除了之外In addition t

9、o an album, I gave him a pen and a pencil.2) be full of : be filled with 裝滿be filled with hate for sb. 滿懷對某人的憎恨eg: On a clear night, the sky appears to be filled with starts.4. They focus on keeping their soil rich and free of disease.focus n. 焦點， 中心點The focus on my camera isnt working properly.v. 集

10、中，聚焦Im so tired that I cant focus on anything today.拓展：center on 集中在，著重在concentrate on 集中（注意力、精力等） 于put ones heart into sth. 全神貫注做某事5. This also keeps the air, soil, water and crops free from chemicals.keep free from/ of = protect from 使免受（影響；傷害）free from 沒有；不受損害eg: This house is free from flies.You

11、 should do more exercise, which can keep you free from cold.拓展： a city free from thieves 無賊的城市a day free from wind 無風的一天keep sb. doing sth 讓某人一直做某事keep sb. from doing sth. 阻止某人做某事6. Crops such as peas or soybeans put important minerals back into the soil, making it ready for crops such as wheat or c

12、orn that need rich and fertile soil.本句中， making it ready for crops such as wheat or corn that need rich and fertile soil 表示“像豌豆或大豆這樣的農(nóng)作物將重要的礦物質(zhì)帶回土壤”的結(jié)果，即動詞-ing形式表結(jié)果。Eg: He cut down the trees in front of his house, having its roof blown off by strong wind.He died, leaving his wife and children nothin

13、g but great debt.7. Swap summaries with your partner and give each other ments.ment n. 評論，議論 v. 表達意見； 作出評論eg: Do you have any ments to make on the recent development?拓展： make ment(s) on/ about sth. 對某事作出評論ment on / upon sth 就某事進行評論no ment 無可奉告板書設計supply n 供給，供應 反義詞：demand supply and demand 供與求be in

14、short supply 供應不足，供應缺乏food supply 食物供應water supply 供水供應品，生活用品，補給品 用復數(shù)形式supplies household supplies 家庭用品medical supplies 醫(yī)用品build up 逐漸增強，開發(fā)，建立 build up ones body 增強體質(zhì)lead to 導致，造成（后果），通向result in 導致，致使result from 由造成，因產(chǎn)生.in addition 另外，加之 in addition to = besides 除了之外be full of : be filled with 裝滿 b

15、e filled with hate for sb. 滿懷對某人的憎恨focus n. 焦點， 中心點 v. 集中，聚焦center on 集中在，著重在concentrate on 集中（注意力、精力等） 于put ones heart into sth. 全神貫注做某事keep free from/ of = protect from 使免受（影響；傷害）free from 沒有；不受損害a city free from thieves 無賊的城市a day free from wind 無風的一天keep sb. doing sth 讓某人一直做某事keep sb. from doing

16、 sth. 阻止某人做某事Crops such as peas or soybeans put important minerals back into the soil, making it ready for crops such as wheat or corn that need rich and fertile soil.本句中， making it ready for crops such as wheat or corn that need rich and fertile soil 表示“像豌豆或大豆這樣的農(nóng)作物將重要的礦物質(zhì)帶回土壤”的結(jié)果，即動詞-ing形式表結(jié)果。Eg:

17、He cut down the trees in front of his house, having its roof blown off by strong wind.He died, leaving his wife and children nothing but great debt.make ment(s) on/ about sth. 對某事作出評論ment on / upon sth 就某事進行評論no ment 無可奉告問題研討(Problem study):課堂提問:1. What the main idea of the passage?2. How do you und

18、erstand the organic farming? Can you say something about it?練習: 1. -What do you think of the novel by the well-known writer?- Sorry, no _.A wonder B doubt C ment D way2. Dressed in her most beautiful clothes, Miss Gao did bee the _ of attention at the party last night.A place B sight C interests D f

19、ocus 3. European football is played in 80 countries, _making_ (make) it the most popular sport in the world.4. 翻譯： 很抱歉讓你在外面等了這么久。 Im sorry to keep you waiting outside so long.作業(yè)Part 1 (A level) 改錯One day Daddy and I were taking walk around the lake when a girl rode past is very quick. Suddenly we he

20、ard of a cry for help. The girl fell into the lake with her bike but was struggling to keep her head above the water. Daddy and I run towards her at once. We jumped into the lake without take off out clothes and managed to pull her out of the water. Then the girl asked if she could help get her bike

21、. I jumped into the water again. After I pulled her bike away, she said “Thanks a lot” for us. I felt quite pleasing to offer my help to her.Keys: taking a walk quick-quickly heard of but - and run-ran take off-taking off she-we away-out for-to pleasing-pleased Part 2 (B level) 1. Dont allow misunde

22、rstanding to _ between you and your partner.A bring upB take up C build up D pull up 2. We firmly believe that war never settles anything. It only _violence.A runs into B es from C leads to D begins with 3. _, in large hotels, there are also apartments, which include two or more rooms connected toge

23、ther, perhaps a bedroom and a living-room.A Therefore B As a result C Ever since D In addition 4. With the help of high technology, more and more new substances _ in the past years.A discovered B have discovered C had been discovered D have been discovered 5. With no one to _ in such a frightening s

24、ituation, she felt very helpless.A turn to B turn on C turn off D turn over 6. This new pany _ producing high-tech products which is well-received on the world markets.A is focused on B is focusing to C focuses to D is focusing on Part 3 (C level)7. We should keep the village _ pollution.A free from

25、 B far from C apart from D away from 8. If their marketing plans succeed, they _ their sales by 20 present.A will increase B have been increasing C have increased D would be increasing 9. It rained heavily in the south, _ serious flooding in several provinces. A caused B having caused C causing D to

26、 cause10. What do the _ word “ jam” most _ mean?A underlined; likely B underlined; like C underline; likely D underlining; like 11. I think hell surely give _your works if you ask him to.A ment on B ments to C ments on D ment in 12. You should ask your teacher to make _ your position, then you can revise it .A ment on B ments to C ments upon D ment to