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北师大2003课标版《Lesson 3 The Sea World》PPT课件优质课下载
penguin
coral reef
珊瑚礁
seal
crab
polar bear
goby fish,
the tiniest fish
in the world
虾虎鱼
toadfish
(蟾鱼)
white shark
deadliest killer in the sea
angler fish
(琵琶鱼)
use light to attract food
Question: What can the sea creatures benefit us?
Food supply
Nutrition(can be good for our health and cure some disease)
Eco-balance
entertainment
aquarium
To know the structure of the underwater world.
Please skim (略读) the text quickly and find out the names of the tourist sites( 景点) of the underwater world.