Read and complete the sentences with the words. life, needs, ecosystem, changed, future, invented, technology, sources
Human environment is a man-made en-invented new technologies. Communication
vironment. It was (1) ... by humans for their became easier and fast across the world.
needs. Before (2)
appeared, humans They formed a man-made (5)
lived in the natural environment. They had
We need a balance between the natural
an environment-friendly life. With time, their and man-made environment. If we use the
(3) ... grew and grew. Humans learnt new natural (6) wisely, we can have a healways to change their environment for their thy balance. We should use our resources
needs.
wisely and learn to save them. Natural reThey learnt to grow crops and animals, and sources like wood, minerals, water and air
build houses. They (4) the wheel, money, are important for (7) ..
If we do not use
trade and business. Transportation became them wisely, we may run out of them one
faster. It became possible after they had day. We should think about our (8).
Lesson 2 What are the alternative sources to fossil fuels?
time, there was a great storm. The ship broke to pieces and only six people got into a small boat. The men were
tired and couldn’t find water. Soon the boat turned over and the men were in the water. Five of them were drowned.
But Gulliver swam well, and when he saw the shore, he swam to it. He got out of the water and slept on the shore
for many hours. When Gulliver woke up, he found that he was in a country where very, very small people lived. The name of the country was Lilliput. The little people were afraid of the Man — Mountain, as they named Gulliver. When they saw that Gulliver was a kind man, they let him go free. Gulliver lived in the
country for two years and then came back to England.