Unit 5 Working the land Period 2 Build up your vocabulary ppt课件-(2022新)人教版高中英语选择性必修第一册.pptx

1、 Unit 5 Working the land Period 2 Build up your vocabulary选择性必修一选择性必修一 人教版（人教版（2019）Revision Yuan Longping, (know) as the “father of hybrid”, is one of Chinas most famous scientists. From an early age, concerned him most was that farmers often had poor harvests and sometimes even had a serious (shor

2、t) of food to eat. To tackle this crisis, he (choose) to study agriculture and research hybrid rice. Then through intense effort, Yuan developed the first hybrid rice could be used for farmers to expand their output (great).Yuans innovation has helped feed not just China, many other countries that d

3、epend rice as well. He makes large (donate) to support agricultural research. What impresses people most about Yuan Longping is his ongoing ability fulfill his dreams. Fill in the blanks based on the passage（P50）known whatshortagechosethat greatlybutondonationstoBrainstormIf you know the answer, ple

4、ase stand up and speak loudly. n. 不足；缺少；短缺不足；缺少；短缺vt. 解决；应付；处理解决；应付；处理n.危机；危急关头危机；危急关头shortage tackle crisis （pl. crises）v. 使增长；使兴旺使增长；使兴旺boostvt. 使相信；使确信；说服使相信；使确信；说服convince n. 特征；品质特征；品质characteristic v. 获得；得到获得；得到attainadj. 传统的；习惯的传统的；习惯的conventional shortbe short ofbe short forBrainstormIf you

5、know the answer, please stand up and speak loudly. n. 假定；承担；权利获得假定；承担；权利获得vt. 克服；解决；战胜克服；解决；战胜adj. 国内的；家用的国内的；家用的assumption overcome domesticn. 消费；消耗量消费；消耗量consumptionv. 产生；引起产生；引起generaten. 休闲；空闲休闲；空闲leisure n. 土壤；国土；领土土壤；国土；领土soiln. 名誉；名人名誉；名人celebrity assumeovercameconsumeBrainstormIf you know th

6、e answer, please stand up and speak loudly. 致力于；专心于致力于；专心于不懈的努力不懈的努力增加产量增加产量be devoted to= devote(oneself) to intense effort expand their output 据估计据估计It is estimated that包含，由包含，由组成组成be comprised of 想象；视野；视力想象；视野；视力vision for 成为现实成为现实become a realitymake every effort to do sthspare no efforts to do

7、sthbe made up ofbe composed ofconsist ofBuilding up your vocabularyKey words： 1. devote vt. 把把献给；把献给；把专用于；专心于专用于；专心于 记牢：记牢：devote to把把用于；把用于；把奉献于奉献于 be devoted to/ devote(oneself) to致力于；献身于，致力于；献身于，to为介词。为介词。 精练：精练：1. They devoted （they）to doing some agricultural research. 2.这些艺术家把终生献给了艺术。这些艺术家把终生献给

8、了艺术。themselvesThese artists devoted all their life to art.devoteBuilding up your vocabularyKey words： 2. estimate vt. 估计；估价；估算估计；估价；估算 n.估计；估算估计；估算 记牢：记牢：be estimated to be 估计是估计是 It is estimated that据估计据估计 精练：精练：1. He （estimate）what happened yesterday. 2.据估计中国有超过据估计中国有超过14亿的人口。亿的人口。estimatedIt is e

9、stimated that China has a population of over 1.4billion.Building up your vocabularyKey Phrases： 包括；包含；由包括；包含；由组成组成( (或构成或构成) ) 由由组成组成救援队由十个警察和八个医生组成。救援队由十个警察和八个医生组成。The rescue team _ ten policemen and eight doctors.be comprised ofbe composed ofconsist of（无被动）（无被动）be made up ofis composed of; consist

10、s of; is made up of; is comprised ofDiscussionCan you replace the underlined words with the correct forms of the words from the text? 1. To deal with this crisis, he chose to study agriculture.2. He is very good actor and he commits himself to every role that he takes on.tackledevotesDiscussionRepla

11、ce the underlined words with the correct forms of the words from the text. 3. Yuan Longping, through intense effort, solved enormous difficulties and developed the first hybrid rice that could be used for farming .4. Yuan Longping strongly believed that the answer could be found in the creation of h

12、ybrid rice.overcamewas convincedDiscussionReplace the underlined words with the correct forms of the words from the text. 5. This hybrid enabled farmers to increase their output greatly.6. Students are encouraged to try a variety of free-time activites to reduce the intense stress from studying.boos

13、tleisureLets doComplete the sentences with the correct forms of the words from the text. 1. The c of a person are the special qualities that make him or her different from others.2. Scientists from different countries have been pursuing various possibilities to overcome food s . haracteristicshortag

14、efood/water/housing shortagesLets doComplete the sentences with the correct forms of the words from the text. 3. Many of us a that earthquakes would never happen in our area.4. With more and more farm machines being used in the fields, the c of fuel has been increasing.ssumeonsumptionconsumevt.消耗消耗,

15、耗费耗费consumer n.消费者消费者;用户用户;顾客顾客 Lets doComplete the sentences with the correct forms of the words from the text. 5. Newspapers should pay less attention to media c and more attention to our national heroes.6. Our general manager tried his best to help overcome the difficulties we were facing during

16、the financial c . elebritiesrisisLets doComplete the sentences with the correct forms of the words from the text. 7. My mother is very c and finds it hard to accept the modern lifestyle that I enjoy.8. The government has decided to boost the programme to g morenew jobs.onventionalenerategeneration n

17、.一代一代;产生产生;一代人一代人generator n.发电机发电机 DiscussionUse these words to make your own sentences Examples: 1. He overcame all difficulties to realize his dream.2. He assumed he would pass the final exam.3. People try to reduce their meat consumption to lose weight.4. My idea generated their interest.5. My f

18、ather is conventional and always refuse my suggestion.GroupGroup1group2group3PersonName1Name2Name3ExerciseComplete the passage below with the correct forms of the words in the box. A vast underground shelter built during World War II has been turnedinto an urban farm.ExerciseComplete the passage bel

19、ow with the correct forms of the words in the box. tackle vision conventional deep down be comprised of realityconsumption A vast underground shelter built during World War II has been turned into an urban farm, supplying supermarkets and restaurants in London. The shelter, which could protect up to

20、 8000 people from wartime bombs, two large tunnels that were intended to one day become an extension of the London Underground. But that never became and the shelter was left for 70 years. was comprised of realityn.扩建部分扩建部分adj.城市的；都市的城市的；都市的ExerciseThen businessmen decided to make use of it to grow

21、green vegetables to meet increasing demands. The tunnels are lit with pink LEDs as there is no natural light below the ground. The vegetables are grown in special liquids instead of the earth that is used as in deep downconventionalvisionconsumptiontacklingn.地下通道地下通道；隧道；隧道ExerciseComplete the senten

22、ces with the correct forms of the words in the box. expand overcome estimate generate extension 1. The school board plans to have an built to the library.2. The new film a lot of excitement, and ticket sales were way beyond our expectations.3. Unable to his shyness, he stood there without saying any

23、thing.extensiongeneratedovercomebe way beyond 远远超出；远不止远远超出；远不止ExerciseComplete the sentences with the correct forms of the words in the box. expand overcome estimate generate extension 4. Foreign trade greatly in the past few years.5. It that the project will last more than ten years.has expanded常与现

24、在完成时搭配常与现在完成时搭配is estimated It is estimated that 为常用句式，为常用句式，含义为含义为“据估计据估计”ExerciseFill in the blanks. 1. Qian Xuesen has been devoted _ Chinas aerospace all his life.2. Volunteers devoted their spare time to _ (help) others rebuild.3. It is （estimate） that the meeting will last one week. 4. We shou

25、ld （致力于）（致力于）environmental protection and ecological improvement.5.It (estimate) that not less than half a million people died in the famine.tohelpingestimateddevote ourselves tois estimatedWeve learned the following in the class：SummaryUse the words and expressions about “hunger” to introduce the hungry situation of the world. Homework