2023学年高中英语Unit2WorkingthelandPartⅠWarmingupPre_readingReading&Comprehending课件（人教版）必修422.ppt

Unit 2 Working the land 袁隆平，中国杂交水稻育种专家，中国研究与发展杂交水稻的开创者，被誉为“世界杂交水稻之父”。袁隆平致力于杂交水稻研究，发明“三系法”籼型杂交水稻，成功研究出“二系法”杂交水稻，创建了超级杂交稻技术体系，使我国杂交水稻研究始终居世界领先水平。为确保我国粮食安全和世界粮食供给作出了卓越贡献。荣获国家最高科学技术奖、国家科学技术进步奖特等奖等多项荣誉。Nowadays，the increase in the prices of agricultural products is one of the greatest concerns of the people and the government.The government has announced a series of policies(政策)to prevent the prices from rising further.Rising housing price is still a big concern for the people，but since farm products are needed every day，the increase in their prices has made life very difficult for the people.Many people may think the increase will help farmers.But have higher prices of farm products really benefited the farmers?Take the increase in vegetable prices in the first half of this year for example.Though natural disasters such as droughts and spring frost did not cause the prices of farm products to increase greatlyin fact，prices of some products did not increase at allvegetables have become dearer by as much as 20 percent compared to that of last year.This means only a small part(or even none)of the extra money that city people have paid to buy farm products has gone to the farmers.The extra cost actually has gone to middlemen.As the fact shows，just increasing prices of farm products will have a negative influence on the entire economy.On the one hand，the price increase has created some abnormal phenomena，which hurt farmers interests.On the other hand，resources will enter the agriculture because of the high price of farm products，which would finally create negative effects on the whole economy.In such a case，it would be better to leave the market to decide the prices instead of raising farm products prices to protect the interests of farmers.Actually，such a way will be better for farmers in the long run.根据文章内容判断正(T)误(F)。1Farmers benefit a lot from the price increase.()2The government has done something to prevent the prices from rising further.()3 It is better for farmers to leave the market to decide the prices in the long run.()4Natural disasters did not cause the prices of farm products to increase greatly.()5Rising housing price has made life very difficult for people.()答案 1.F 2.T 3.T 4.T 5.F Part Warming up，Pre reading，Reading&Comprehending 课前自主课前自主预预习习 .重点单词 1_n 统计；统计数字 2_adj.晒黑的 3_vt.&vi.斗争；拼搏；努力 4_n.十年；十年期 5_adj.特级的；超级的 6_n.产量；输出 7_n.庄稼；农作物；产量 8_vt.&vi.使变大；伸展 9_vt.&vi.循环；流传 10_n.战役；战斗；较量；斗争 vt.&vi.搏斗；奋斗 11_vt.摆脱；除去 12_n.自由；自主 13_adj.因此；所以；因而 14_n.谷物；粮食；颗粒 15_n.国籍 答案 1.statistic 2.sunburnt 3.struggle 4decade 5.super 6.output 7.crop 8.expand 9circulate 10.battle 11.rid 12.freedom 13therefore 14.grain 15.nationality.词汇拓展 1_n.饥饿；欲望 vt.&vi.(使)饥饿_adj.饥饿的 2_adj.引起烦恼的；令人不安的_vt.打扰；打乱 3_vt.&vi.配备；装备_n.设备；装备 4 _vt.&vi.输出；出口_vt.&vi.输入；进口 5_n.工作；职业；占领_vt.占领；占用 答案 1.hunger；hungry 2.disturbing；disturb 3equip；equipment 4.export；import 5.occupation；occupy.重点短语 1struggle for _ 2thanks to _ 3rid.of _ 4be satisfied with _ 5care about _ 6宁愿；宁可 _ 7而不是 _ 8怀有的希望 _ 9喜欢；照顾 _ 10有关系；有影响 _ 答案 1.为而斗争(努力)2.幸亏；由于；因为 3.摆脱；除去 4.对感到满意 5.关心，在乎 6would rather 7.rather than 8.with the hope of 9care for 10.make a difference.重点句式 1if so 省略句式 _，what did you do to grow them？_，what kind of plant would you like to try growing?如果种过的话，你是怎样种植的？如果没有种过的话，你想要尝试种什么植物？2名词被序数词修饰，后面用不定式作定语 In 1973，he became_ _that has a high output.1973 年，他成为世界上第一位种植高产水稻的农业先驱。3makeitadj.to do sth.句式 This special strain of rice_ 20%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 20%的产量成为可能。4倍数as.as 句式 Using his hybrid rice，farmers are producing harvests_before.用他的杂交水稻种子，农民们种出的粮食比以前多了一倍。答案 1.If so；If not 2the first agricultural pioneer in the world to grow rice 3makes it possible to produce 4twice as large as .课文理解 1From the first paragraph，we know that Yuan Longping _.Ais a farmer Blooks like a farmer Chas a weak body Dis Chinas most famous scientist 2The sentence“Just dreaming for things，however，costs nothing”in the last paragraph means that_.Aone should have dreams Bone shouldnt have dreams Cones wishes are easy to realize Done wishes for things that cost nothing 3From the text，we can conclude that_.A60%of the rice grown in the world is from super hybrid rice BYuan Longping made a great contribution to the world in solving the hunger problem CYuan Longping leads a very comfortable life with his high income DYuan Longping has the habit of having dreams when sleeping 4The following are all Dr.Yuans hobbies EXCEPT_.Alistening to violin music Bswimming and reading Cplaying mah-jong Dsmoking and drinking 5The whole passage mainly talks about_.Ahow to solve the worlds hunger problem Bhow to increase rice harvests CYuan Longpings achievements in farming DYuan Longpings daily life 答案 15 BABDC 教材原文 A PIONEER FOR ALL PEOPLE Although 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 are just like those of millions of Chinese farmers,for whom he has str