1、Passage 15There is a commonly held myth that Einstein was an underachiever at school, but it really
isn＇t true. While he may have had difficulties with languages, Einstein excelled in physics,
mathematics and music. Einstein held many patents and was a keen inventor.
While working at Swiss patent office in Bern he took it upon himself to write his own
scientific papers in his spare time, mostly at weekends and in the evenings after work. 1905 was
Einstein＇s miracle year. During this year he wrote three fundamental papers, any of which would
have guaranteed him immortality in the world of physics.
His first was on a new understanding of the structure of light. Einstein argued that light is
composed of small particles of energy, called photons, as well as oscillating waves.
The second paper built upon the theory of kinetics. Einstein explained how atoms were
responsible for the buffeting of particles of material in suspension, like cigarette smoke suspended
in air. This paper presented the first direct evidence for the existence of atoms, vindicating an idea
that had been around for over 2000 years.
His third paper of 1905 was ―On the Electrodynamics of Moving Bodies‖. Here Einstein
derived the theory of ―special relativity‖. In a supplementary paper four months later, he
formulated the famous equation, E=mc2, where mass and energy are equivalent, showing that a
very small amount of mass converts to a huge amount of energy. This is the driving force behind
atomic bombs, and all the stars in the Universe.
3. What effect did Einstein‘s second paper have?

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50.I had toone of my email accounts as it was filled with junk mail.

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1、Passage 2
Man has always wanted to fly. Some of the greatest men in history had thought about the problem. One of them, for example, was the great Italian artist, Leonardo Da Vinci. In the 16th century he made designs for machines that would fly, but they were never built.
Throughout history, other less famous men had wanted to fly. An example was a man in England 800 years ago. He made a pair of wings from chicken feathers. Then he fixed them to his body and jumped into air from a tall building. He did not fly very far. Instead, he fell to the ground and broke every bone of his body and rested in peace.
The first real step took place in France, in 1783. Two brothers, the Montgolfiers, made a very large ―hot air balloon‖. They knew that hot air rises. Why not fill a balloon with it? The balloon was made of cloth and paper. In September of that year, the King and Queen of France came to see the balloon. They watched it carry the very first air passengers into the sky. The passengers were a sheep and a chicken. We do not know how they felt about the trip. But we do know that the trip lasted eight minutes and that the animals landed safely. Two months later, two men did the same thing. They rose above Paris in a balloon of the same kind. Their trip lasted twenty-five minutes and they traveled about.4.The very first air passengers in the balloon were.

1、Passage 3Dieting to lose weight has become very popular in recent years. People have become more
health conscious and try to take better care of their bodies by eating more nutritiously and
exercising more regularly to lose any unnecessary fat that they may have.Not only are people being more careful about what they eat, they are also concerned with
how they eat and how their meals are prepared. People are taking more time for each meal. Many
avoid the so called ―plastic‖ fast-food hamburgers and choose to eat a salad or a sandwich of more
healthful ingredients(成分) in a quiet restaurant with a more leisurely atmosphere. At home, they
also try to take enough time to eat a relaxing dinner without phone or TV interruptions.
While dieting may be viewed as beneficial, it has also become a serious problem for
Americans, particularly for young women. Dieting for them has actually become a psychological
addiction(依赖). They eat so little that they can lose as much as fifty percent of their total body
weight, and although they look like skeletons, they still insist that they are fat.
The current waves of exercising, dieting and the problems produced have caused many
organizations to begin educating the public. Many schools, hospitals, health organizations,
newspapers and magazines, for example, are offering classes, printing booklet articles, etc. to
inform the public of the way to exercise and diet, of the dangers of dieting too rapidly, and of the
places people can go for medical help if they find themselves on the road to ―diet addiction‖.3. ―They look like skeletons‖ in the third paragraph most probably means ________.

119.Mother told the child too late( ).

194.Our-school-run factory( )various kinds of chemical devices last year.

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