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Energy
Polly Goodman
出版
Hodder Wayland
, 2001
ISBN
0750236264
9780750236263
URL
http://books.google.com.hk/books?id=h6K1GwAACAAJ&hl=&source=gbs_api
註釋
The world cannot work without energy. We use it every day. This book tells you about power from the sun, and about getting power from wind and water. It also helps you find out about saving energy at home and at school.