Unit 13 Section B（3a-Self Check）课件 2023-2024学年人教版英语九年级全册

Unit13 SectionB(3a-Self Check) 教学目标 1.复习并巩固本单元出现的重点词汇和短语。 2.学习并掌握重点句型: (1) Which parts may be less nice and need to be improved? (2) Give suggestions or possible ways to solve the problems. 3. 学会写关于所在城市环境问题以及个人建议的信件。 教学难点 1. 复习现在进行时、used to句型、被动语态、现在完成时和情态动词。 2. 将读写任务结合起来锻炼写作及对语言综合运用能力。 Warming up What should we do to save the earth? Turn off the lights when we leave a room. Take our own bags when shopping. Ride a bike. Recycle paper. Don’t use paper napkins. What should governments do to save the earth? They should close down the factories that put waste into the river. Set up a lot of dustbins on the street. Stop people from using wooden chopsticks, plastic bowls and bags. Organize people to clean up the streets and rivers. Think about the environment in your town/city and complete the chart below. Which parts of the town/ city have a nice environment? Why are they nice? Which parts need to be improved? Why? 3a Good environment Why? Bad environment Why? park the air is clean streets so many trees restaurants clean and tidy river a lot of rubbish so many cars air too many factories streets What caused the environmental problems? Problem pollution waste of energy break the balance of ecosystem waste water waste gas plastic bags … forget to turn off the light or shower … cut down too many trees kill the animals … the environment around us is becoming worse and worse…,we can't see…,the air is so… How to save the earth should/ can … had better ... It’s necessary / important to … Save the energy Cut down the pollution other ways throw litter in the bin take the reusable bags… ride bikes or walk instead of… turn off the light /shower while… put old things to good use recycle the used books or paper… keep the balance of ecosystem, plant more trees, make laws to … close down the factories that… the little things in daily lives govern-ment and public 3b Writing Write a letter to the city mayor about the problems and your suggestions. In your letter, describe the environmen