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1、19.reduce sth.by 减少了减少了 reduce sth.from.to 减少到减少到1)I bought this shirt because it was reduced from$20 to$10.2)This shirt was reduced by 50%.20.keep sb free from/of sth.be free from/of sth.be free of charge 免费的免费的使某人不生病使某人不生病 keep sb free from/of sickness使农作物不受化学物质污染使农作物不受化学物质污染 keep crops free from/
2、of chemicals21.skim:read quickly to get the main idea 22.(skimmed,skimmed)ment on/upon sth.对对加以加以评论评论24.make comments about/on sth.25.no comment 无可奉告无可奉告World Food Day,Oct.16,is a worldwide event designed to increase awareness,understanding and arouse year-around action to reduce hunger.Unit 2 Worki
3、ng the LandWork(+n.):manage or operate sth to gain benefit from it.Work the land:=grow crops on the land 耕种土地耕种土地管理，经营管理，经营?He works/runs a big farm.sowing播种播种Ploughing plau 耕地耕地irrigating(灌溉灌溉)harvest transplanting(插秧插秧)Think of words related to farming:Brainstorming using fertilizer 施肥施肥 get rid o
4、f pests 除虫除虫Thinking According to the WHO:The world produces enough food for everyone.More than 800 million people go to bed hungry every day.（饿着肚子睡觉）（饿着肚子睡觉）What do they mean?The statistics show/mean that the prodcution of food is enough for the polulation of the world but not all have enough money
5、 to pay for it.Hunger is not an issue of charity.It is an issue of justice（公正）（公正）.Our greatest concern must always focus on disadvantaged groups(弱势群体）弱势群体）.These groups are often hidden,live in remote rural areas and have little political voice.Warming up It is estimated that one billion people in
6、the world suffer from hunger and malnutritionmlnju(:)trin 营养不营养不良良.What should be done to help the disadvantaged groups in less developed areas?DiscussionThere is still hunger in the world.1.We students should equip ourselves with knowledge and one day work/volunteer in less-developed areas.2.The go
7、vernment should send more experts to help them find ways to be rich.ReadingA Pioneer for All People(造服全人类的先驱者造服全人类的先驱者)-Father of super hybrid rice Para1 A.Dr Yuans dreams.Para2 B.Dr Yuans personality.Para3 C.Dr Yuans biography.Para4 D.Dr Yuans appearance and his achievement.Skimming=a brief introdu
8、ctionName:Nationality:Age:Occupation:Education:Dream:Achievement:Hobbies:Yuan LongpingChinese80scientistGraduated from Southwest Agricultural college in 1953To export his hybrid rice so that it can be grown around the globeIn 1974,developed hybrid rice which produces 1/3 more than normal riceListeni
9、ng to violin music,playing mah-jong,swimming and readingCareful Reading 1.主食主食2.快速阅读全文快速阅读全文3.认为自己是认为自己是4.耕作土地耕作土地5.黝黑的脸庞黝黑的脸庞6.高产量高产量7.一种一种(类类)水稻水稻8.毕业于毕业于9.人生目标人生目标10.令人不安的问题令人不安的问题 1.the main/staple food 2.skim the passage 3.consider onselfe(as).4.work the land 5.a sunburnt face 6.have a high out
10、put 7.a strain of rice 8.graduate from 9.ones life goal 10.a disturbing problem11.扩大土地面积扩大土地面积12.传播知识传播知识13.由于他的研究由于他的研究14.消除世界的饥饿消除世界的饥饿15.比以前多了一倍比以前多了一倍16.对对非常满足非常满足17.在意、在乎在意、在乎18.宁愿做某事宁愿做某事19.对某人意义不大对某人意义不大20.从梦中醒来从梦中醒来21.带着带着的希望的希望11.expand the area of the fields12.circulate knowledge13.thanks to his research14.rid the world of hunger15.twice as large as before16.be quite satisfied with17.care about18.would rather do sth19.mean little to sb20.wake from ones dream21.with the hope of doingHomework 1.练习卷练习卷22.课本课本p.12 Ex.1-3