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

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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 people’s health. Some farmers and customers prefer th

2、e organic farming. Students can learn something about it from this passage. 學(xué)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

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

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

5、anguage 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 f

6、ertile 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。 教學(xué)過程(Teaching procedures) Step 1 review 1) Read the words and expressions together. 2) Retell the story on page 14. Step 2 language points 1. These chemicals in the food supply build up in people’s bodies over time. 1）supply n 供

7、給，供應(yīng) 反義詞：demand supply and demand 供與求 be in short supply 供應(yīng)不足，供應(yīng)缺乏 food supply 食物供應(yīng) water supply 供水 供應(yīng)品，生活用品，補(bǔ)給品 用復(fù)數(shù)形式supplies household supplies 家庭用品 medical supplies 醫(yī)用品 2） build up 逐漸增強(qiáng)，開發(fā)，建立 build up one’s body 增強(qiáng)體質(zhì) 2. Many of these chemicals can lead to cancer or other illne

8、sses. lead to 導(dǎo)致，造成（后果），通向 eg: Eating too much sugar leads to rotten teeth. result in 導(dǎo)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

9、 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 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 ke

10、eping their soil rich and free of disease. focus n. 焦點， 中心點 The focus on my camera isn’t working properly. v. 集中，聚焦 I’m so tired that I can’t 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 one’s heart into sth. 全神貫注做某事 5. This also keeps the air, soil,

11、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 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(fēng)的一天 keep sb. doing sth 讓某人一直

12、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“像豌豆或大豆這樣的農(nóng)作物將

13、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 nothing but great debt. 7. Swap summaries with your partner and give each other ments. ment n. 評論，議論 v. 表達(dá)意見； 作出評論 eg: Do you have a

14、ny 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(jìn)行評論 no ment 無可奉告 板書設(shè)計 supply n 供給，供應(yīng) 反義詞：demand supply and demand 供與求 be in short supply 供應(yīng)不足，供應(yīng)缺乏 food supply 食物供應(yīng) water supply 供水 供應(yīng)品，生活用品，補(bǔ)給品 用復(fù)數(shù)形式supplies househol

15、d supplies 家庭用品 medical supplies 醫(yī)用品 build up 逐漸增強(qiáng)，開發(fā)，建立 build up one’s body 增強(qiáng)體質(zhì) lead to 導(dǎo)致，造成（后果），通向 result in 導(dǎo)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 be filled w

16、ith 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 one’s 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(fēng)的一天 keep s

17、b. doing sth 讓某人一直做某事 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

18、 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 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(jìn)行評論 no ment 無可奉告 問題研討(Problem s

19、tudy): 課堂提問: 1. What the main idea of the passage? 2. How do you understand the organic farming? Can you say something about it? 練習(xí): 1. ----What do you think of the novel by the well-known writer? ---- Sorry, no _______. A wonder B doubt C ment D way 2. Dressed in her most beautiful

20、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. 翻譯： 很抱歉讓你在外面等了這么久。 I’m sorry to keep you waiting outside so long.

21、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 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 t

22、he 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 qu

23、ick---quickly heard of but ---- and run---ran take off---taking off she----we away----out for----to pleasing----pleased Part 2 (B level) 1. Don’t allow misunderstanding to ___________ between you and your partner. A bring up B

24、 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 bedroo

25、m 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

26、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 s

27、hould 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

28、south, _______ serious flooding in several provinces. A caused B having caused C causing D to cause 10. What do the ______ word “ jam” most ______ mean? A underlined; likely B underlined; like C underline; likely D underlining; like 11. I think he’ll 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