北师大版高中英语选修八unit22environmentalprotectiontheeighthperiod教案

北师大版高中英语选修八unit22environmentalprotectiontheeighthperiod教案内容摘要：

ree of it. This is not the case for chemicals, sewage, and other pollutants introduced into the air, soil, or water. The definition of noise itself is highly subjective. To some people the roar of an engine is satisfying or thrilling。 to others it is an annoyance. Loud music may be enjoyable or a torment, depending on the listener and the circumstances. Broadly speaking, any form of unwele sound is noise pollution, whether it is the roar of a jet plane overhead or the sound of a barking dog a block away. Deal with Ex 3. Ask students to read the 10 statements. Try to predict the information that is missing. Then listen to the radio programme and plete the notes with one or two words. Students are asked to do the exercises individually. Play the recording again if necessary. Then check the answers with the whole class. T: Using the listening strategies try to predict the missing information in the statements in Ex 3. Then we will listen to the radio programme and plete the notes with one or two words. I will play the recording again if necessary. ... T: Which statement is the definition of noise pollution? S1: The second. Noise pollution can be defined as any sound that interrupts our daily liv。