初中英语仁爱科普版九年级上册Topic 2 The population in developing countries is growing faster.教课ppt课件

这是一份初中英语仁爱科普版九年级上册Topic 2 The population in developing countries is growing faster.教课ppt课件
1. Some words: social, supply, natural, worse, government, paragraph, opportunity, newborn, percent, offer2. Some phrases: half of, one fifth, because of, satisfy people’s daily needs, so far, take measures to do, be known as, work well in, thanks to3. Some sentences: We still have a long way to go.Look and thinkThere is less living space for each family.ACEIt’s hard to find jobs.Most cities are crowded than before.Natural environments are becoming worse and worse.It’s difficult to supply water and energy to satisfy people’s needs.The traffic is much heavier.BrainstormWhat social problems do you think the large population has caused?Word banksocial [ˈsəʊʃ(ə)l] adj.社会的；社交的supply [səˈplaɪ] v.提供n.供应量natural ['nætʃərəl] adj.天然的；天生的worse [wɜːs] adj.更差的adv.更差so far 到目前为止Word bankgovernment [ˈɡʌvənmənt] n.政府take measures to do sth. 采取措施做某事thanks to 幸亏，由于paragraph [ˈpærəɡrɑːf] n.段opportunity [ /ˌɒpəˈtjuːnɪti ] n.机会Word banknewborn [ˈnjuːˌbɔː(r)n] adj.新生的percent [pəˈsent] n.百分之······offer ['ɔːfə] v.提供play a gameWork on 1aWrite the title of the passage.Population ProblemsWork on 1bRead 1a and match the main idea with each paragraph.1. _____ Paragraph 1 2. _____ Paragraph 2 3. _____ Paragraph 3 BCA A. the measures to deal with the problemsB. the world’s and Asia’s populationC. the problems caused by large populationWork on 1cRead 1a again and complete the table.1.37 billionjobwaterenergycitiestrafficworsethe one-child policy and othersliving spaceParagraph 1Read Paragraph 1 and fill in the blanks. Asia has a of ____________4 billion. That’s to say, more than ______ of the people in the world live in now.more than halfpopulationAsiaIn 2010，the world ’s population was about 7.2 billion. More than four billion people live in Asia now. That's more than half of the world's population.Language points 超过=over4 billion÷ 7.2 billion>1／2 (half) 50 percent (50%)more than half of the people in the world live in Asia.Paragraph 21.37 billion÷7.2 billion≈1 ／ 5 20 percent (20%) About one fifth of the people in the world live in China. oneWhat social problems has it caused？fifthThere is less living space for each family.ACEIt’s difficult to find jobs.Most cities are crowded than before.Natural environments are becoming worse and worse.It’s hard to supply water and energy to satisfy people’s needs.The traffic is much heavier.population problemsParagraph 2Finish the mind map.Language pointsChina has the largest population in the world,and about one fifth of the people in the world live in China. Because of the large population,there is less living space for each family. And it is difficult for lots of people to find jobs. At thesame time, the large population has caused many other difficulties for the whole nation. For example, it is hard for China to supply energy and water to satisfy people’s daily needs. Most cities are more crowded than before, and the traffic is much heavier. Natural environments are becoming worse and worse.The large population has been a serious problem.五分之一因为It’s +adj. for sb. to do sth.对某人来说做某事怎么样同时例如满足人们的日常需求heavy 拥堵的自然环境越来越糟分数表达法one sixthone ninthone twentiethfive sixthstwo ninthsseven twentieths分数表达法one / a half a quarterthree quarters three and a halfChina has the largest population in the world,and about one fifth of the people in the world live in China. Because of the large population,there is less living space for each family. And it is difficult for lots of people to find jobs. At thesame time, the large population has caused many other difficulties for the whole nation. For example, it is hard for China to supply energy and water to satisfy people’s daily needs. Most cities are more crowded than before, and the traffic is much heavier. Natural environments are becoming worse and worse.The large population has been a serious problem.Listen and readGame timeParagraph 3 Language pointsSo far, our government has taken many measures to control the population.One is known as the one-child policy. It has worked well in controlling China's population. Thanks to the policy, China is developing quickly and people’s living conditions are improving rapidly. However, the population problem is still serious in China.We still have a long way to go.到目前为止take measures to do sth.采取措施做某事be known as 作为...而出名独生子女政策— Every couple can have only one child.幸亏，由于然而Work on 2Complete the following passage with the correct forms of the given words or phrases.grow reach have find work become face carry out Every minute, about 261 babies are born in the world. That means people have to _____ food for about 375 840 newborn babies every day. The world’s population _______________ very fast. It has _______ one of the biggest social problems today. China ______ the largest population in the world. There are about 1.37 billion people in China. It has ________ 20 percent of the world’s population. China has ____________ some policies to solve the population problem, and these policies have _______ well. But China still _______ a serious population problem.findgrows/ is growingbecomecarried out reached hasworkedfacesWork on 3aWork in groups and search for the information about the following questions. Then share your idea with your group members.1. How do you think we can get more living space?2. What should the government do to offer more job opportunities?3. Water and energy are less and less. What should we do to deal with it?4. The traffic in cities is much heavier than before. How can we solve the problem?Work on 3bWrite a short passage of three paragraphs based on 3a. China has the largest population in the world. It has caused many problems. Everyone should do something to solve them. First, the government should take many meaures to solve the population problem, and practice the reform and opening-up to develop our economy. Only in this way can we get more jobs and improve our living conditions. Second, the energy and water is becoming less and less. We’d better save them as much as possible, and try to find more new energy. In order to solve the problem of heavy traffic, we call on everyone to take a bus or walk as often as possible.Let’s check!1. _____ of the students are boys in our school. A. Two third B. Two threes C. Two thirds D. Second threeCLet’s check!2. The one-child policy has _____ controlling China’s population. A. been good at B. done well in C. taken care of D. worked well inDLet’s check!3. Edison is known _____ a great inventor. A. for B. as C. in D. on BLet’s check!4 ._____ your help, I made great progress in math. A. Thanks for B. Thanks to C. Thank to D. Thank forBThank you!