[课件]module 9 population unit 1 the world's population was about 7.8 billion in 2020 课件(共17张ppt)内容预览-尊龙凯时人生就博

() a long piece of writing task 1 listen and write down the numbers as you hear them. the world’s population 7.8 billion 8.5 billion 9.7 billion the world’s population was about 7.8 billion in 2020. the number will climb to 8.5 billion in 2030. by 2050, the world will have 9.7 billion people. 2020 2030 2050 the population of pakistan was about 227 million in 2020. by 2050, pakistan will have about 346 million people. the population will increase by 119 million in the next 30 years. 227 million 346 million the population of pakistan 2020 2050 208 million 438 million the population of nigeria was about 208 million. by 2050, nigeria will have about 438 million people. the population will probably double in the next 30 years. the population of nigeria 2020 2050 1.6 billion the population of india was about 1.3 billion in 2020. by 2030, india will have about 1.5 billion people. the number will climb to 1.6 billion in 2050. the population of india 2020 2030 2050 1.5 billion 1.3 billion the populations increase too fast in these countries. high birth rates when populations increase too fast, it can cause problems, such as too much _____and _____. traffic noise there's too much traffic in front of our school gate. there aren't enough places to park. other problems it’s hard for children to go to school. it’s hard for people to go to hospital. there is much white pollution. cities will be bigger. lands will be smaller. there won’t be enough clean water for people to drink. there won’t be enough food for people to eat. other problems problems solutions too much traffic not enough space to park cars too much pollution lack of good public services go to work by bike, by bus or on foot build more parking lots reduce air pollution from traffic plant more trees live a green life build more schools, libraries, parks, hospitals and gyms task 2 discuss in groups of 4 and write down the solutions. the countries with low birth rate also face a problem called aging population. the uk low birth rates slow-growing populations we are in the right place to talk about countries with low birth rates and aging population. problems caused by aging population there will be fewer working people. there will be more and more disabled elders. there won’t be enough medical care. there will be more and more empty nesters. task 3 let’s help tony finish his report. the world’s population beginning tell your name. say the name of the report. show some data. describe these data. describe the problems. ending share your opinion(s) or your suggestions. body in 8 minutes, you will 1.choose one level: level a or level b. 2.finish writing the report. 3.read your report aloud. checklist for the report language 1. did you show some data 2. did you describe these data 3. did you describe the problems performances 1. did you report fluently and logically 2. did you use the suitable body language level a: exchange your report ... ...