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选修8《Grammar》集体备课PPT课件优质课下载
The introduction of penguins
During the egg-laying period, the female penguin lays usually one egg.This egg is kept in a flap of skin,much like a pocket,located near the top of the penguin’s feet.
As is known t us all, global warming has became one of the most important problem in the world.
The increase of temperature leads to plenty of death in South pole, such as penguins.
First of all, the sea level keeps rising and the penguins lose their place to live in.
Secondly, a great many animals that the penguins feed on are not able to live in such a high temperature and die in the end. The penguins have to suffer from hunger due to the lack of food.
What's more, the penguins are Hardy animals(耐寒动物) as well . They can not adapt to the high temperature. Though thy can evolve in the future, they are likely to die out in the end
Our duty and actions
To save the penguins as well as the other animals which are suffering from the Global warming, we should spare no effort to protect our environment.
It is not only for the penguins, but also for us all. The earth is the homeland for every one.
Invite you to join us
To help these lovely animals, we appeal to everyone to take part in our activity about the penguins protection.
Thank you
Antarctica:
the Last Continent
Welcome to Antarctica
North America
Central Africa
Australia
Central Asia
1. continent
a. a large area of land b. a small area of land
2. permanently
a. most of the time b. all of the time
3. inhospitable