内容正文:
Unit 3 In this class, we will read and understand the report on water pollution in the Li River. learn the organization of a report. learn about the importance of environmental protection. Learn and master some useful expressions. Learning Aims Lead in:What do you know about Li river? predict Predict Look at the title and the picture on P32 and predict what the passage is about. I guess this passage is about _and_. the water pollution in the Li River how the problem is solved Read for the details Discuss what do you think might have caused water pollution in the Li River? 1. A large number of tourists crowded in and left too much damage. 2. Enterprises poured the polluted water into the river. ....... Read the text (para2) and find out all the factors Li River Pollution Increasing number of tourists Tourists throwing rubbish in water Tour boats throwing cooking oil in water The increasing number of commercial and industrial enterprises (工商企业) contributes to the water pollution levels, with more commercial waste thrown into the river.. More chemicals for crop production led to sever water quality issues. In order to meet tourism demand, the local population increased and then more household waste was thrown into the river. 7 discuss: what measures can be taken to deal with the water pollution.? raise the awareness of the issue by .... improve the transport facilities collect the household waste ....... Read for the details read the text ( Para.3 & 4 )and find out the measures the collection and transport of household waste setting up regulations & rules carrying out inspections and fining tourist organizations for abuses. use the media to spread environmental awareness and encourage greater use of clean energy construction of waste water treatment facilities closing or moving the polluting enterprises To stop damaging the natural environment and restore the Li River’s original beauty holding senior officials responsible for reducing water pollution Match the main id