人教版必修四unit2reading練習講解(共35張)課件

1、Unit 2 Working the landpre-readingWhat problem do they show ?hungerHow do you feel when you see the pictures?Do something to rid the world of hunger!How much land can be used for farming?3/4 of our earth is covered with water!2. 1/2 of this piece is too hot, cold, or wet for farming!3. 3/4 of this p

2、art is used for roads, buildings like houses, schools!4. Only 1/32 of the earth is used for farming!A Pioneer For All PeopleSuper hybrid riceTask 1 Scanning Para1 A. Dr Yuans dreams. Para2 B. Dr Yuans personality. Para3 C. Dr Yuans biography. Para4 D. Dr Yuans appearance and his achievement.Para 1 A

3、ppearance and Achievement.Appearance face: arm: body:sunburntsunburntslim but stronglooks like a_ farmerAlthough he is one of Chinas most famous scientists, Yuan Longping considers himself a farmer, for he works the land to do his research.Indeed, his sunburnt face and arms and his slim, strong body

4、 are just like those of millions of Chinese farmers, for whom he struggled for the past five decades.Dr Yuan is like more a farmer than a scientist.Para 1 appearance and achievement.Appearance face: arm: body:sunburntsunburntslim but stronglooks like a_ farmer2. achievementsHe grows what is called_,

5、 which makes it possible to produce_ more of the crop in the same fields.super hybrid riceone-fifthPara. 2 His biographyTimeinformation19301953As a young manIn a recentharvestnowBorn in Beijing Graduated from college Hunger was a disturbing problem. search for a way to increase the rice harvest. 200

6、 million tons was produced Circulating his knowledge22%7%Means?UN rid the world of hungerThanks to his research, the UN has more tools in the battle to rid the world of hunger.由于他的研究，聯(lián)合國在消除世界饑餓的戰(zhàn)斗中有了更多的方法Using his hybrid rice, farmers are producing harvests twice as large as before.using 作狀語，修飾后面整個句

7、子Paragraph 3Topic sentence?Dr Yuan is quite satisfied with his life.He doesnt care about _ and _. He likes freedom for his search and hobbies.famemoneyPersonalityPara 4: his dreamsHis first dreamHis second dreamAs tall as sorghum As big as an ear of cornAs huge as a peanutTo export his rice so that

8、it can be grown around the globe.1. himself (as) a farmer 認為他自己是個農(nóng)民2. the land 耕種土地，在田間耕作3.do ones 進行研究4. face and arms被太陽曬黑的臉龐和手臂5.the past five 在過去的50年里6.the first agricultural pioneer rice 第一個種高產(chǎn)水稻的農(nóng)業(yè)先鋒7.a high 高產(chǎn)量8. graduate Southwest Agricultural College 從西南農(nóng)學(xué)院畢業(yè)9. life 人生目標10. the great need 對

9、巨大的需求11. a problem一個令人煩惱的問題12. search 尋找13. without _ _ the area of fields不擴大農(nóng)田面積14. ones knowledge傳播知識15. developed countries欠發(fā)達國家16. 幸虧，由于17. the world hunger消除（解決）世界饑餓18. harvests twice before產(chǎn)量是從前的兩倍19. be quite 對.非常滿意20. care 喜歡；照顧；關(guān)心；_ _ little about對很少關(guān)心 21. would rather sth.寧愿做22. spend 在.上花

10、費.23. a comfortable life過舒適的生活24. rather 而不是25. _sb. for 使做好準備，為裝備26.give him less _ to do sth 給他更少的自由27._ _ from 從中醒來28. the hope of 懷著希望29._ _ rice出口大米30. the globe全球，全世界31. make it possible _ _使成為可能As a young man, he saw the great need for increasing the rice output.At that time, hunger was a dis

11、turbing problem in many parts of the countryside.When he was young, he know how important it was to produce bigger rice crops.= it is important to= doing sth. is important/of great importanceDuring his early years, much of the countryside was troubled by hunger.= be badly influenced/affected by have

12、 a bad effect onUsing his hybrid rice, farmers are producing harvests twice as large as before.Spending money on himself or leading a comfortable life also means very little to him.As they use his hybrid rice, farmers are producing twice as much rice as before.He is not interested in/cares little ab

13、out buying things for himself or having aJust dreaming for things, however, costs nothing.It doesnt cost anything to dream for something. A3 B篇What is CA?What are the three principles of CA?How does CA help reduce soil damage?What are the functions of cover crops?What is the rotation of crops?It is

14、meant to keep soil healthy, develop sustainable farming, and prevent the damaging overuse of land.Gaining popularity, CA aims to help famers keep land healthy and productive by become popularControl tillageWhat is tillage? turn over nutrient currentunusableBy avoiding tilling, organic soil matter ma

15、y actually benefit as crop pieces form a protective surface over the soil.cover cropsThese crops prevent water and soil loss byCover crops also By cycling crops that need different nutrients through the same field, the soil. statistics sunburnt output circulated nationalitystruggled decade regret Th

16、erefore nutrition. A) 1.根據(jù) 2.build up 3. 幸虧，由于 4. lead to 5. 對感到滿意 6. focus on 7. 寧愿，寧可 8. keepfree from/of 9. 擺脫，除去 10. with the hope of1. with the hope of 2. lead to 3. build up 4. would rather 5. keep free from 6. be focused on 7. was satisfied with 8. According to 9. Thanks to 10. rid of. underl

17、ine summary exports bacteria chemical expands .production hungry disturbing freedomequipment occupation confusing discovery comments reduced. more than cared for as as put back done research on_ the past half century 在過去的半個世紀期間_ fertilizers 化學(xué)肥料 _use of 的長期使用 cause _ to 對造成傷害 _ off 洗掉 food_ 食品供應(yīng) _ca

18、ncer 導(dǎo)致癌癥In _ 另外，此外turn to_ farming 轉(zhuǎn)向有機農(nóng)業(yè) _ on 集中于_ soil _ _disease 使土壤免受疾病的影響 every_ _ 每隔幾年12. make_ ready for 使為做好準備13. put down_ 扎根14. avoid_ 避免做某事What are some of the problems caused by chemical fertilizers?In addition, fruit, vegetables and other food grown with chemical fertilizers usually gr

19、ow too fast to be full of much nutrition.化肥帶來的問題有哪些呢？另外，施過化肥的水果、蔬菜和其他食物通常生長得過快而營養(yǎng)不足。過去分詞作定語3. Crops such as peas or soybeans put important minerals back into the soil, making it reading for crops such as wheat or corn that need rich and fertile soil.像豌豆或者大豆這樣的農(nóng)作物將重要的礦物質(zhì)帶回土壤，從而使之適宜于種植要求土壤肥沃的農(nóng)作物比如玉米或者

20、小麥?，F(xiàn)在分詞做定語4. Organic farmers also plant crops to use different levels of soil, for example, planting peanuts that use the ground surface followed by vegetables that put down deep roots.有機耕作的農(nóng)民還種植多種農(nóng)作物來利用不同層次的土壤。比如，他們先種植生長于淺層土壤的花生，然后再種植生根于深層土壤的蔬菜。過去分詞作定語 take place turn up set off get away with cut d

21、own bring up account for break out rather than settle down move off come across carry on build up 發(fā)生出現(xiàn)，到場，調(diào)大出發(fā)，動身，使爆炸不因受懲罰砍倒，削減，刪節(jié)撫養(yǎng)，培養(yǎng)，教育，提出是的原因，解釋爆發(fā)，突發(fā)與其，不愿定居，平靜下來，專心于離開，啟程，出發(fā)偶然遇見繼續(xù)，堅持逐漸增強，建立，開發(fā)Dear Mr. Smith, Im writing to invite you to join us in the English poetry recital competition on July 4.

22、 the competition is going to take place on the second floor of the teaching building from 7 p.m. to 9 p.m., during which time participants will recite their favorite English poems. Those who win the prizes will share their experience in learning English. It would be a great pleasure if you could com

23、e and be one of the judges. Im sure we will have a wonderful time together. Looking forward to your reply. Yours sincerely, Li HuaBut Mom refused to give up. “Im sure she is still inside,” she said as she kicked the door with great force and shouted in a loud voice, “Wake up, Makcik!” By then, both of us were coughing badly. I was trying hard to pull Mom away when