Unit 7 Lesson 38The world is a big place 课件(共14张PPT)2022-2023学年冀教版八年级英语下册

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(共14张PPT)
Unit7 Know our world
Lesson 38
The world is a big place
What do you know about the earth
land
ocean
a planet
One third of the planet is land.
1/3
Oceans cover two thirds of the earth’s surface.
2/3
What problem does the earth face
Para 1
What problem does the earth face
The population o...