学年英语人教版必修4训练Unit+2+Period+One.docx

1、学年英语人教版必修4训练Unit+2+Period+OneFather of Hybrid RiceYuan LongpingYuan Longping，a famous Chinese agriculturalist，was born in Beijing in 1930.Professor Yuan graduated from Southwest Agriculture College in 1953 and has devoted himself to agricultural education and research since then.Professor Yuan was a

2、 pioneer in hybrid rice research and made remarkable achievements in this area.The achievements of Yuan Longping greatly solved the food shortage，and provided a solution to the worldwide starvation.It is regarded as the fifth invention after Chinas Four Major Inventions，and is acclaimed as the Secon

3、d Green Revolution.As a result，he was awarded with many international awards.Yuan Longping started the research of hybrid rice in 1964.He always carried out experiments on the farmlands，and made a breakthrough in 1973.The new technology was tested in many areas of South China in 1974 and 1975，and th

4、en extended to other areas.China became the first country that is able to produce hybrid rice.Yuan Longping is the first scientist who successfully changed the selfpollinating characteristic of rice and realized largescale farming of hybrid rice.This earned him the title “Father of Hybrid Rice”His p

5、ioneering work in hybrid rice breeding and production techniques has revolutionized rice cultivation in China，establishing Chinas world leading position in hybrid rice research.From 1976 to 1978，the total cultivated area of the hybrid rice developed by Yuan reached 1.1 billion mu(15 mu1 hectares)，an

6、d increased rice output by 100 billion kg.At present，the hybrid rice developed by Yuan is planted on the farmlands all over China，which plays an important role in increasing Chinas grain production.It makes it possible to feed 22% of the world population on only 7% of the worlds total arable land.杂交

7、水稻之父袁隆平中国著名的农学家袁隆平1930年出生于北京，1953年毕业于西南农学院，从那时起便投身于农业教育和研究中。袁教授是杂交水稻研究方面的先驱，并在这一领域取得了突出的成就。袁隆平教授的成就极大地解决了粮食短缺问题，为世界的饥饿问题提供了解决办法。此项成就被认为是中国四大发明之后的第五大发明，并被赞誉为“第二次绿色革命”。因此，他获得了许多国际性的大奖。袁隆平1964年开始杂交水稻的研究。他总是在农田地头进行实验，并在1973年取得了突破。在1974年和1975年，这项新技术在华南的许多地区展开了测试，然后又推广到其他地区。中国从而成为第一个能够生产杂交水稻的国家。袁隆平也成为第一个成

8、功改变水稻自花传粉特性以及实现大规模种植杂交水稻的科学家。这为他赢得了“杂交水稻之父”的头衔。他在杂交水稻培育和生产技术方面的前瞻性工作使中国的水稻栽培取得了革命性的变革，确立了中国在杂交水稻研究方面的领先位置。从1976年到1978年，袁隆平培育的杂交水稻种植面积达到11亿亩(15亩1公顷)，大米产量增加了1,000亿公斤。目前，袁隆平培育的杂交水稻在中国的稻田里得到广泛种植，为提高中国谷物的产量起到了重要作用。这使得依靠只占世界7%的可耕种土地，就能够养活22%的世界人口成为可能。Period OneWarming Up & ReadingPrereading匹配左边的单词和右边的汉语意思

9、第一组1struggle A产量；输出2output B循环；流传3expand C斗争；拼搏；努力4circulate D摆脱；除去5rid E使变大；伸展答案1.C2.A3.E4.B5.D第二组6decade A饥饿；欲望7crop B十年；十年期8battle C庄稼；农作物；产量9hunger D自由；自主10freedom E战斗；战役答案6.B7.C8.E9.A10.D第三组11grain A工作；职业；占领12nationality B配备；装备13occupation C输出；出口14export D谷物；粮食15equip E国籍答案11.D12.E13.A14.C15.B第

10、四组16therefore A数据；统计；统计数字17sunburnt B引起烦恼的；令人不安的18super C晒黑的19disturbing D特级的；超级的20statistic E因此；所以；因而21confuse F使迷惑；使为难答案16.E17.C18.D19.B20.A21.F.What other crops do you know all over the world besides rice？Please match the names of the crops with their Chinese names.1wheat A土豆；马铃薯2sorghum B小麦3pota

11、to C高粱4cabbage D黄豆；大豆5onion E绿豆6soybean F洋葱7mung G卷心菜8carrot H西兰花9broccoli I向日葵10sunflower J萝卜答案1.B2.C3.A4.G5.F6.D7.E8.J9H10.I.Please tell the class something about an early agricultural scientistJia Sixie. .Some crops only grow in certain areas of the world，do you know the reasons? .Whats the main

12、idea of the passage?AWays to increase the rice output.BYuan Longpings dreams.CYuan Longpings super hybrid rice.DYuan Longpingan agricultural pioneer.答案D.Match the main idea of each paragraph.Para.1 AYuan Longpings brief life experiences.Para.2 BYuan Longpings dreams.Para.3 CYuan Longpings attitudes

13、toward life.Para.4 DYuan Longpings achievements in the improvements on rice production.答案Para.1：DPara.2：APara.3：CPara.4：B.Read the passage and judge whether the following sentences are true (T) or false (F)1The reason why Yuan wanted to increase the rice output when he was young was that he wanted t

14、o become famous.(F)2By using Yuans hybrid rice，farmers are producing harvests twice what the amount was before.(T)3Not caring about being famous，Yuan is quite satisfied with his life.(T)4Yuan seldom spends money on himself；instead，he gives millions of yuan to equip others for their research in indus

15、try.(F)5Yuan developed super hybrid rice to help Chinese farmers and hungry people all over the world.(T).Read the passage carefully and choose the best answer.1Why did Yuan Longping want to develop a new species of rice in the 1950s?ABecause he wanted to win an award.BBecause he wanted to catch others eye.CBecause hunger was a disturbing problem in China.DBecause his hometown suffered from drought.答案C2