人教英语必修四unit2-reading(共28张-)课件.pptx-(课件无音视频)

1、必修四Unit 2Working the land(第三课时第三课时)LeadingLeadingDo you know how to work on a farm?First,buy or select the seeds from the store.Second,we need to plough or turn over the soil.Third,we sow the seeds in the soil.In order to improve the output of the crop,we need to rid the soil of the weed,water the c

2、rop,fertilize the soil and kill off the pest.water the croprid the soil of the weedfertilize the soilkill off the pest to improve the output of the crop Finally,we can harvest our grain/sorghum.ThinkingThinkingHAVE A RESTHAVE A REST Para 1 A.Dr Yuans dreams.Para 2 B.Dr Yuans personality.Para 3 C.Dr

3、Yuans biography.Para 4 D.Dr Yuans appearance and his achievement.Find out the main idea of each paragraph.brief life experienceTrue or False.（1）Dr Yuan is more a farmer than a scientist.（2）Dr Yuans kind of rice is the most suitable for Chinas farmland.（3）Yuan Longping became the first agricultural p

4、ioneer in the world to grow super hybrid rice at the age of 40.FTFTrue or False.（4）More than 60%of the rice in the world is from the hybrid strain.（5）According to the text,farmers in China are producing rice harvests nearly 4 times as large as that in 1950.FTName Nationality Age Occupation(job)Educa

5、tion Dream Achievement HobbiesYuan LongpingChinese90born in1930ScientistGraduated from Southwest Agriculture College in 1953to export his hybrid rice so that it can be grown around the globein 1973,developed hybrid rice which produces 20%more than normal ricelistening to violin music,playing mah-jon

6、g,swimming and readingAccessing1Why does Yuan Longping work the land？ABecause he was born into a farmers family.BBecause he needs to do his research on farming.CBecause he is interested in farming.DBecause he has a slim and strong body.Choose the best answer.2According to the text，in 1950,Chinese fa

7、rmers could produce only about million tons of rice.A20 B200C56 D500Choose the best answer.3What is Yuan Longpings attitude towards money?AToo much money will cause a lot of troubles.BMoney is of no use to a scientist.CMoney is not important at all.DOne has to spend all his money on his own research

8、.Choose the best answer.4What can we know from the text?AYuan Longping found a way to increase rice harvests by expanding the area of fields.BYuan Longping is satisfied with his life because he is famous and rich.CIn the 1950s,many parts of the countryside were short of food.DYuan Longpings way of i

9、ncreasing rice harvests only works in some Asian countries.Choose the best answer.Analyze the following difficult sentences in the text.1.Although he is one of Chinas most famous scientists，Yuan Longping considers himself a farmer，for he works the land to do his research.虽然他是中国最著名的科学家之一，袁隆平仍认为自己是一个农

10、民，因为他在田间耕作、进行科学研究。分析：此句为并列复合句。并列连词for 连接两个并列分句，第一个分句为主从复合句，含有although引导的让步状语 从句。“to do his research”为目的 状语。Analyze the following difficult sentences in the text.2.Indeed,his sunburnt face and arms and his slim,strong body are just like those of millions of Chinese farmers,for whom he has struggled f

11、or the past five decades.的确，他那被太阳晒得黝黑的脸庞和手臂，以及他那瘦削而又结实的身躯，就跟其他千百万中国农民一样。过去50年来，他一直在努力帮助他们。分析：本句是一个主从复合句，句子主语为“his sunburnt face and arms and his slim,strong body”，those指代“sunburnt face and arms and slim,strong body”，for whom为“介词关系代词”引导非限制性定语从句，修饰Chinese farmers。Analyze the following difficult senten

12、ces in the text.3.In 1973,he became the first agricultural pioneer in the world to grow rice 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。Analyze the following difficult sentences in the text.4.This special strain of rice makes it possible to produce 20%more of the crop in the same fields.这种特殊的

13、稻种使得同样的田地多收获20%的产量成为可能。分析：句中it作形式宾语，真正的宾语是动词不定式短语。Analyze the following difficult sentences in the text.5.He awoke from his dream with the hope of producing a kind of rice that could feed more people.他从梦中醒来，希望能培育一种能养活更多人的水稻。Retelling When he was young,Yuan Longping saw the great need for increasing

14、the rice _ and then hunger was a _problem in China.He wanted to increase rice harvests without _the area of the fields.In 1973,a special strain of rice could produce 20%more of the _ in the same fields.outputdisturbingexpandingcropRetelling _ his research,the UN has more tools to rid the world of _.He is now _ his knowledge in less developed countries and he wants to _ his rice so that it can be grown around the globe.Though he has been _for the past five decades,Dr.Yuan is quite_ with his life.Thanks tohungercirculatingexportstrugglingsatisfied终THANKSTHANKS