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 fields. Farmers use too many chemicals, which destroy the soil. Soil pollution causes unhealthy food.
学生：Noise pollution can make people deaf. For example, people may lose their hearing if they work in a noisy place for a long time. Too much noise can cause high blood pressure as well. Working in strong light for a long time may cause some kinds of illnesses. It makes people feel terrible and is especially bad for eyes. With less pollution, our planet will become greener and our health will be better. Let's be greener, people.
老师：Have you found the causes and effects? Who would like to give it a try?
学生：Burning gas, oil and coal creates air pollution. It can cause sore eyes and breathing problems. Leader is everywhere. It makes our environment dirty. In the fields, farmers use too many chemicals which destroy the soil. Soil pollution causes unhealthy food. People may lose their hearing if they work in a noisy place for a long time. Too much noise can cause high blood pressure as well. Noise pollution can make people deaf. Working in strong light for a long time may cause some kind of illnesses. It makes people feel terrible and it's especially bad for ice.
老师：Very nice. You have understood it well. Burning gas oil at the cold creates air pollution. Cool Mingsi Mei Hua create Dongzi Xiaochen Chuang Zhao. Too much noise can cause high blood pressure.
老师：blood 名词，血 high blood pressure 高血压 with less population our planet will become greener at our health will better planet。名词，行星 the planet is our home lets try our best to protect it now here are several sentences about the pollution， please read them carefully and then rewrite them in another way。
老师：同学们在做这样的考察词汇的练习的时候，要先仔细读懂给出的句子，在与第二句进行对比，找到需要替换的短语，再根据自己的词汇积累进行替换。如第一题，通过两句对比可知，我们需要填的是 be bad for 的同义短语。同学们
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