Ir al contenidoDidáctica: lengua inglesa y alfabetización
Dolphin Readers are an exciting and varied series of readers for young learners. Covering a range of topics, both fiction and non-fiction, they are available at five levels.Level 4 contains 625 Headwords.
A non-fiction book, ideal for intermediate learners of English looking to improve and practise their English. The book is filled with useful vocabulary that is carefully graded and easy to understand, it also comes with audio, so that you can listen at the same time as reading.You're fast asleep, and nothing is happening. Or is it? In fact, your body is hard at work. Your lungs are taking oxygen from the air, and your heart is pumping blood round your body. Millions of pieces of information are travelling backwards and forwards to your brain all the time. Muscles are repairing themselves, and in your lymph nodes special cells are cleaning germs and waste from the body. You may think that nothing is happening, but in the extraordinary machine that is the human body, it is very busy indeed ...
It is the year 2522, and the planet Earth is dying. The Artificial Ozone Layer is only 300 years old, but it is breaking up fast. Now the sun is burning down on Earth. There is no water. Without water, nothing can live. Trees die, plants die, animals die, people die . . . In a colony under the moon, people wait for news - news from home, news from the planet Earth. And in a spaceship high above Earth, a young man watches numbers on a computer screen. The numbers tell a story, and the young man is afraid. The planet Earth is burning, burning, burning . . .
