2022年高中英语《Unit2 using language language points》教案 新人教版必修4

2022年高中英语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 organic farming. Students can learn something about it from this passage.学情分析（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 something new about farming. Chemical fertilizers cause many problems, so organic farming are popular among farming. 教学目标(Teaching aims)知识目标(Knowledge aims): can translate the sentences; learn the language points and can finish the exercise on the book. 能力目标(Ability aims):can retell the passage and can say something about organic farming. Can use the words and expression to express their ideas. 情感目标（Emotional aims）: rise students interest about English and can express their ideas freely. 教学重点和难点（teaching important points and difficult points）#Teaching important points: all language points. New 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“像豌豆或大豆这样的农作物将重要的矿物质带回土壤”的结果，即动词-ing形式表结果。教学过程(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 供给，供应 反义词：demand supply and demand 供与求be in short supply 供应不足，供应缺乏food supply 食物供应water supply 供水供应品，生活用品，补给品 用复数形式supplies household supplies 家庭用品medical supplies 医用品2） build up 逐渐增强，开发，建立build up ones body 增强体质2. Many of these chemicals can lead to cancer or other illnesses.lead to 导致，造成（后果），通向eg: Eating too much sugar leads to rotten teeth.result in 导致，致使result from 由造成，因产生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 to an album, I gave him a pen and a pencil.2) be full of : be filled with 装满be filled with hate for sb. 满怀对某人的憎恨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. 焦点， 中心点The focus on my camera isnt working properly.v. 集中，聚焦Im so tired that I cant focus on anything today.拓展：center on 集中在，着重在concentrate on 集中（注意力、精力等） 于put ones heart into sth. 全神贯注做某事5. This also keeps the air, soil, water and crops free from chemicals.keep free from/ of = protect from 使免受（影响；伤害）free from 没有；不受损害eg: This house is free from flies.You should do more exercise, which can keep you free from cold.拓展： a city free from thieves 无贼的城市a day free from wind 无风的一天keep sb. doing sth 让某人一直做某事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 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“像豌豆或大豆这样的农作物将重要的矿物质带回土壤”的结果，即动词-ing形式表结果。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 nothing but great debt.7. Swap summaries with your partner and give each other ments.ment n. 评论，议论 v. 表达意见； 作出评论eg: Do you have any ments to make on the recent development?拓展： make ment(s) on/ about sth. 对某事作出评论ment on / upon sth 就某事进行评论no ment 无可奉告板书设计supply n 供给，供应 反义词：demand supply and demand 供与求be in short supply 供应不足，供应缺乏food supply 食物供应water supply 供水供应品，生活用品，补给品 用复数形式supplies household supplies 家庭用品medical supplies 医用品build up 逐渐增强，开发，建立 build up ones body 增强体质lead to 导致，造成（后果），通向result in 导致，致使result from 由造成，因产生.in addition 另外，加之 in addition to = besides 除了之外be full of : be filled with 装满 be filled with hate for sb. 满怀对某人的憎恨focus n. 焦点， 中心点 v. 集中，聚焦center on 集中在，着重在concentrate on 集中（注意力、精力等） 于put ones heart into sth. 全神贯注做某事keep free from/ of = protect from 使免受（影响；伤害）free from 没有；不受损害a city free from thieves 无贼的城市a day free from wind 无风的一天keep sb. doing sth 让某人一直做某事keep sb. from doing 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“像豌豆或大豆这样的农作物将重要的矿物质带回土壤”的结果，即动词-ing形式表结果。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 nothing but great debt.make ment(s) on/ about sth. 对某事作出评论ment on / upon sth 就某事进行评论no ment 无可奉告问题研讨(Problem study):课堂提问:1. What the main idea of the passage?2. How do you understand the organic farming? Can you say something about it?练习: 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 focus 3. European football is played in 80 countries, _making_ (make) it the most popular sport in the world.4. 翻译： 很抱歉让你在外面等了这么久。 Im sorry to keep you waiting outside so long.作业Part 1 (A level) 改错One day Daddy and I were taking walk around the lake when a girl rode past is very quick. Suddenly we heard 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. 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 misunderstanding 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 together, 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 situation, 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 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 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