高中英语 Unit2 Working the land同步备课课件 新人教版必修4.ppt

【问题导读】Read the text and try to tell if these sentences are True( T ) or False(F)．1．The passage is mainly about how Yuan Longping cultivated hybrid rice successfully.(　　)2．Before Yuan devoted himself to the study of hybrid rice，he had worked as a teacher in Hunan Province.(　　)答案：1.T　2.TYuan Longping’s road to super hybrid rice袁隆平，中国工程院院士，我国当代杰出的农业科学家，享誉世界的“杂交水稻之父”他工作50多年来所取得的科研成果使我国杂交水稻研究及应用领域领先世界水平，不仅解决了中国粮食自给难题，也为世界粮食安全做出了杰出贡献Yuan Longping was born in a poor farmer’s family in 1930 and graduated from the Southwest Agricultural College in 1953.Then he began his teaching career at an agriculture school in Anjiang，Hunan Province.He came up with an idea of hybridizing rice in the 1960s，when a series of natural disasters and improper policies had plunged1 China into a famine2 that caused many deaths.Since then，he has devoted himself to the research and development of a better rice breed3. In 1964，he happened to find a natural hybrid rice plant that had obvious advantages over others.Greatly encouraged，he began to study the elements of this particular type.In 1973，in cooperation with others，he was able to cultivate4 a type of hybrid rice species which had great advantages.It yielded5 20 percent more per unit than that of common ones.The next year their research made a breakthrough in seeding.They successfully developed a set of technologies for producing hybrid rice，putting China in the lead worldwide in rice production.For this achievement，he was named the“Father of Hybrid Rice.”In 1979，their technique for hybrid rice was introduced into the United States，the first case of intellectual6 property rights transfer in the history of new China.At present，as many as 50% of China’s total rice fields grow Yuan Longping’s hybrid rice species，which yield 60% of the rice production in China.Due to Yuan’s hard work，China’s total rice output rose from 50 million tons in 1950 to nearly 200 million tons in recent years.The annual yield is enough to feed 60 million people.Yuan Longping was named a winner on March 29,2004，of the annual US $250,000 World Food Prize for his work in producing high­production rice.In the same year he got Wolf Prize in agriculture in Israel.He loves playing Mahjong and the violin and swimming.He said he would go on working hard at his super hybrid rice project.【日积月累】1．plunge vt.使陷入……2．famine n．饥荒3．breed n．品种4．cultivate vt.培育5．yield vt.出产(作物)n.产量6．intellectual adj.智力的；有才智的【佳句欣赏】1．He came up with an idea of hybridizing rice in the 1960s，when a series of natural disasters and improper policies had plunged China into a famine that caused many deaths.他的杂交水稻的想法开始于二十世纪六十年代，那时一系列的自然灾害和不合适的政策，使中国陷入了严重的饥荒之中并使很多人丧生。

come up with“提出”2．In 1979，their technique for hybrid rice was introduced into the United States，the first case of intellectual property rights transfer in the history of new China.1979年，杂交水稻技术被介绍到了美国，成为新中国历史上第一例in the history of...”“在……的历史上”话题Working the land知识目标重点单词statistic n．数据；统计；统计数字；统计资料 hybrid adj.混合的；杂种的　n．杂交种；混血儿 super adj.特级的；超级的 output n．产量；输出 strain n．(植物的)品种；种类 crop n．庄稼；农作物；产量freedom n．自由；自主 sorghum n．高粱 grain n．谷物；粮食；颗粒 peanut n．花生 personality n．性格；个性；人格 nationality n．国籍 chemical adj.化学的；关于化学的 organic adj.有机的；器官的；组织的 fertile adj.肥沃的；富饶的 fertilizer n．肥料；化肥 production n．生产；制造 bacteria n．细菌pest n．害虫；害兽；害鸟 nutrition n．营养；滋养；食物 mineral n．矿物；矿石 soil n．土壤 soybean n．大豆 root n．根；根源话题Working the land知识目标重点单词skim vt.浏览；略读 sunburnt adj.晒黑的 decade n．十年；十年期disturbing adj.引起烦恼的；令人不安的 hunger n．饥饿；欲望　vt.& vi.(使)饥饿 struggle vi.& n．斗争；拼搏；努力expand vt.& vi.使变大；伸展 circulate vt.& vi.循环；流传 reduce vt.减少；减缩rid vt.摆脱；除去 therefore adv.因此；所以；因而 equip vt.& vi.配备；装备export vt.& vi.输出；出口 occupation n．工作；职业；占领 confuse vt.使迷惑；使为难regret vt.遗憾；惋惜　n．遗憾；懊悔 discovery n．发现；发觉 comment n．评论；议论　vi.& vt.表达意见；作出评论　battle n．战役；战斗；较量；斗争　vt.& vi.搏斗；奋斗话题Working the land知识目标重点短语with the hope of...怀有……的希望　　　　　　　　　　make a difference 有影响，起作用compare A with B 对比A和B wash...off...洗掉(……上的)……carry away拿走；冲走 make a summary of...总结……get sunburnt被晒黑(伤) thanks to幸亏；由于；因为rid...of摆脱；除去 be satisfied with对……感到满意would rather宁愿；宁可 equip...with...用……装(配)备……be confused about对……感到困惑 regret doing sth.后悔做了某事build up逐渐增强；建立；开发 lead to导致；造成(后果)focus on集中(注意力、精力等)于…… reduce...to...减少到……keep...free from/of使……免受(影响、伤害等)；使……不含(有害物)make comments on对……作出评论话题Working the land知识目标重点句型1.If so，what did you do to grow them？If not，what kind of plant would you like to try growing？如果种过，你是如何种植的？如果没有，你想种植哪种植物呢？2.Dr Yuan Longping grows what is called super hybrid rice.袁隆平博士种植的是被称为“超级杂交水稻”的稻种。

3.This special strain of rice makes it possible to produce one­third more of the crop in the same fields.这种特殊的稻种使得同样的田地多收获三分之一的产量成为可能4.Using his hybrid rice，farmers are producing harvests twice as large as before.用他的杂交水稻种子，农民们种出的粮食是以前的两倍5.They feel that this makes the soil in their fields richer in minerals and so more fertile.他们认为这样会使地里的土壤更富含矿物质，因而也会更加肥沃6.They often change the kind of crop in each field every few years，for example，growing corn or wheat and then the next year peas or soybeans.在同一块地里，他们经常每隔几年就换种农作物。

例如，种玉米或小麦的地来年再改种豌豆或大豆话题Working the land知识目标易错难点struggle的用法；expand，extend的用法区别；thanks to的用法；equip的用法；confuse的用法；regret的用法语法动词­ing形式作主语和宾语写作如何写海报。