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北师大2003课标版《Lesson 2 Protecting the Sea》公开课PPT课件优质课下载
Listen and Guess
Objectives
? know some new words related to sea pollution;
? improve your listening ability by finding out specfic information ;
?find the solutions needed to protect the sea.
By the end of this lesson, you’ll be able to
Objectives
Lead in
sailing
water polo
surfing
water skiing
diving
swimming
Besides water sports, how do people make use of the sea?
food
transportation
oil
medicine
research
oil
optional
All the different sea plants and animals depend on each other for food. We call this the food chain.
The ocean plays an important part in the water cycle. The oceans regulate (调节) the climate.
Other functions