老师
Hello everyone. Let's listen to a piece of beautiful song at the beginning of today's lesson. How are you Earth mom? This is a song that tells us to protect our environment and protect our earth. There are kinds of pollution around us, including air pollution, soil pollution, light pollution. And light pollution, they are bad for our health in many ways. Do you know what caused these pollutions? What effect will they have on the environment and our health? Let's read the following passage and find the answers. You can underlie the keywords when reading.
学生
There are many kinds of pollution around us, including air pollution, soil pollution, noise pollution, and light pollution. They are bad for our health in many ways. Burning gas, oil and coal creates air pollution. It can cause sore eyes and breathing problems.
学生
With the increase in population and the development of industry, litter is everywhere. It makes our environment dirty. People put lots of litter into the land, in the查看隐藏内容