高中英语人教版 (2019)选择性必修 第一册Unit 5 Working the Land优质ppt课件

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新人教版（2019）英语选择性必修一Unit5  Working the Land Period 2 Build up your vocabulary教学设计 课题 Period 2 Build up your vocabulary单元 Unit5学科English年级SeniorGrade 2教材分析This part is to build up your vocabulary. This part will show some words and expressions about the topic“hunger”.学习目标与核心素养Knowledge objectives: grasp some important words in this partSkill objectives: master related words. Emotional objectives: learn to build more vocabulary and form a positive attitude to life and try to realize dreams.重点Help students to know how to know and use some words.难点The meaning of some words and how to use the proper form of a word. 教学过程教学环节教师活动学生活动设计意图导入新课Step1 lead –inGo over the last class by retelling the passage and remember the key words and phrases.With a game to remember the words and phrases The method can arouse students’ interesting, and they can come into the class actively.讲授新课Step2 StudyKey words： 1. devote vt. 把…献给；把…专用于；专心于  记牢：devote …to…把…用于；把…奉献于be devoted to/ devote(oneself) to致力于；献身于，to为介词。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。These artists devoted all their life to art.estimate vt. 估计；估价；估算      n.估计；估算  记牢：be estimated to be 估计是     It is estimated that…据估计 精练：1. He  （estimate）what happened yesterday. 2.据估计中国有超过14亿的人口It is estimated that China has a population of over 1.4billion.Key Phrases：包含；包括；由…组成be composed of; consist of; be made up of; be comprised of救援队由十个警察和八个医生组成。The rescue team ________ ten policemen and eight doctors.is composed of; consists of; is made up of; is comprised ofStep3：DiscussionComplete the sentences with the correct forms of the words from the text. 1. The characteristic 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 shortage .  3. Many of us assume that earthquakes would never happen in our area.4. With more and more farm machines being used in the fields, the consumption of fuel has been increasing.5. Newspapers should pay less attention to media celebrities and more attention to our national heroes.6. Our general manager tried his best to help overcome the difficulties we were facing during the financial crisis.  7. My mother is very conventional and finds it hard to accept the modern lifestyle that I enjoy.8. The government has decided to boost the programme to generate more new jobs.Step4：ExercisesComplete the passage below with the correct forms of the words in the box.tackle   vision   conventional   deep down   be comprised of   reality consumption    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 8000 people from wartime bombs, was comprised of two large tunnels that were intended to one day become an extension of the London Underground. But that never became reality and the shelter was left for 70 years. Then businessmen decided to make use of it to grow green vegetables to meet increasing                            demands. The tunnels are lit with pink LEDs as there is no natural light deep down below the ground. The vegetables are grown in special liquids instead of the earth that is used as in conventional farming. Many experts share a vision that this kind of urban farming could help not only in                     tackling the problem of population growth, but also in adapting to climate change.Complete the sentences with the correct forms of the words  in the box. Complete the sentences with the correct forms of the words  in the box. The school board plans to have an extension built to the library.2. The new film generated a lot of excitement, and ticket sales were way beyond our expectations.3.Unable to overcome his shyness, he stood there without saying anything.4.Foreign trade has expanded greatly in the past few years.5. It is estimated that the project will last more than ten years. Study the key words and expressions tobuild upyour vocabulary and make notes.       Discuss andtranslate the sentences into Chinese in group              Finish the exercises in groups.                         Discuss in Groups tocomplete the passage with the correct forms of the words as soon as possible. Improve students’ the ability of understanding. And they can remember more words using these methods, thus cultivating students’analytical and creative abilities.                     Develop their creativity to new words and remember words more clearly                              Learn to draw a conclusion to help them finish the exercise easily.           课堂小结Step5:Summary:These are what we’ve learned in this passage. Step6 HomeworkUse the words and expressions about “hunger” to introduce the hungry situation of the world.   板书Unit5 Working the LandBuild up your vocabularyKey words： 1. devote vt. 把…献给；把…专用于；专心于  devote …to…把…用于；把…奉献于be devoted to/ devote(oneself) to致力于；献身于，to为介词。2.estimate vt. 估计；估价；估算      n.估计；估算  be estimated to be 估计是It is estimated that…据估计 Key Phrases：包含；包括；由…组成be composed of; consist of; be made up of; be comprised of