A man was mending a street lamp when he saw a pretty young woman and three children get into a car which was in the garden of a house near him. He saw that the car had a flat tyre, and tried to warn the woman, but it was too late-she was already driving the car out of the garden, and into the busy street. When she had got there, she stopped the car at the side of the street, got out and looked at the flat tyre. The children stayed in the car. Very soon another car stopped, and the driver offered to help her. The young woman accepted his offer, and the man changed the tyre for her. When she had thanked him and he had gone, she drove the car back into the garden, got out with the children and went back to her work in the house -with clean hands.
This story is mainly about ( ).A man was mending a street lamp when he saw a pretty young woman and three children get into a car which was in the garden of a house near him. He saw that the car had a flat tyre, and tried to warn the woman, but it was too late-she was already driving the car out of the garden, and into the busy street. When she had got there, she stopped the car at the side of the street, got out and looked at the flat tyre. The children stayed in the car. Very soon another car stopped, and the driver offered to help her. The young woman accepted his offer, and the man changed the tyre for her. When she had thanked him and he had gone, she drove the car back into the garden, got out with the children and went back to her work in the house -with clean hands.
From the passage, we can see that the story might be told by( ).
When man began to search the skies, he saw a lot of things. In the universe(宇宙), the earth seemed to be just a small bit of dust. It is only a small planet, and travels around the sun. The sun together with its planets, travels in the Milky Way(银河), our galaxy(星系). The Milky Way has about thirty billion stars like our sun, and is one of about a hundred million galaxies in the universe.
Because the space (空间)is so great, it is difficult to work out how far away a star is. Instead of kilometres, we have light-years. A light-year means how far light travels in one year. Our nearest neighbour galaxy is more than 9000,000 light-years away from the earth.
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