课件18张PPT。Unit 7 Lesson 2
Protecting the SeaListeningthe pure and beautiful seaHow do people use the sea? How is the sea important to human beings? Lead inProtecting the SeaWhat occurs to you when you first read the title?
Pre-listeningThe sea is terribly polluted!!! ?:(What is happening to the sea?nuclear power plants
oil leaks and oil refining
industrial and agricultural wastes
urban pollutantsWhat is happening to the sea?How large is it?
One third of Europe
Britain
Korea
What is the black area?
An island.
Pacific Garbage Patch
A petrol base How thick is the rubbish below the sea level?
1 meter
10 meters
30 metersJapanese ships are killing the whale.How cruel they are!!!What is happening to the sea?1989, an oil tanker, the northwest coast of Alaska.
35,000 tons of oil
34,000 birds and 10,000 animals
4,800 square kilometers of oceanWhat is happening to the sea?The sea is the cradle of life.
We should protect the sea.“ Modern technology owes ecology an apology!”
---- Alan M. Eddison, environmentalistWhat is Zhi Hong’s project about?It is about _________________ from ________ and ____________.protecting the seapollutionover-fishingFirst Listening: get the general idea and make notes.
Listen and complete the table. Second Listening: listen for specific information.
① All sorts of
chemicals, plastic, rubbish, oil;
② Most of them come from industrial and agricultural waste. ① Too many fishermen fishing in the same place.
② Better technology can catch more fish.agricultural wasteindustrial wasteoil plasticchemicalsrubbishWhat are the causes of pollution?pollutionWhat are the causes of over-fishing?Too many fishermen fishing in the same place.Better technology can catch more fish.Over-fishing① Government looks for ways to reduce pollution.
② Some departments keep a record of levels of pollution.
③ Others are responsible for finding where it comes from and punishing people who have broken the law.
① The government tries to control the number of fish that people can catch.
② In the worst areas, they ban fishing completely.
③ They also try to help people to get other kinds of jobs.SummaryWhat are the solutions to the problems?PollutionOver-fishingRequirements:
Make a speech on the topic of protecting the sea.
You merely need to focus on one problem about the sea, either pollution or over-fishing.
Use the information that you have learnt today.
Choose one representative in your group to make the speech.
Homework:
Writing
Write a composition on protecting the sea. List the problems, causes and solutions. Remember to use the following words and expressions.
Problems: protect, pollute, pollution, over-fishing
Causes: agricultural and industrial waste, fishermen, technology
Solutions: deal with, be responsible for, break the law, punish, keep a record of, control, communicate.