题目内容
（请给出正确答案）
A．are to challenge
B．are challenging
C．may be challenged
D．have been challenged
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Einstein Named "Person of the Century"
Albert Einstein， whose theories on space time and matter helped unravel （解决） the secrets of the atom and of the universe， was chosen as "Person of the Century" by Time magazine on Sunday.
A man whose very name is synonymous （同义的） with scientific genius， Einstein has come to represent more than any other person the flowering of 20th century scientific though that set the stage for the age of technology. "The world has changed far more in the past 100 years than in any other century in history. The reason is not political or economic， but technological—technologies that flowed directly from advances in basic science，" wrote theoretical physicist Stephen Hawking in a Time essay explaining Einstein"s significance.46______
Time chose as runner-up President Franklin Roosevelt to represent the triumph of freedom and democracy over fascism， and Mahatma Gandhi as an icon （象征） for a century when civil and human rights became crucial factors in global politics.
"What we saw was Franklin Roosevelt embodying the great theme of freedom"s fight against totalitarianism， Gandhi personifying （象征，体现） the great theme of individuals struggling for their rights， and Einstein being both a great genius and a great symbol of a scientific revolution that brought with it amazing technological advances that helped expand the growth of freedom，"said Time Magazine Editor Walter Isaacson.
Einstein was born in Ulm， Germany in 1879.47______ He was slow to learn to speak and did not do well in elementary school. He could not stomach organized learning and loathed taking exams. In 1905， however， he was to publish a theory which stands as one of the most intricate examples of human imagination in history.48______ Everything else——mass， weight， space， even time itself—— is a variable （变量） . And he offered the world his now-famous equation （方程式）:energy equals mass times the speed of light squared——E=mc2.
49______"There was less faith in absolutes， not only of time and space but also of truth and morality." Einstein"s famous equation was also the seed that led to the development of atomic energy and weapons. In 1939， six years after he fled European fascism and settled at Princeton University， Einstein， an avowed pacifist， signed a letter to President Roosevelt urging the United States to develop an atomic bomb before Nazi Germany did. 50______ Einstein did not work on the project. Einstein died in Princeton， New Jersey in 1955.
回答（46）题 查看材料
A."Indirectly， relativity paved the way for a new relativism in morality， art and politics，"Isaacson wrote in an essay explaining Time"s choices.
B.How he thought of the relativity theory influenced the general public"s view about Albert Einstein.
C."Clearly， no scientist better represents those advances than Albert Einstein."
D.Roosevelt heeded the advice and formed the "Manhattan Project" that secretly developed the first atomic weapon.
E.In his early years， Einstein did not show the promise of what he was to become.
F.In his "Special Theory of Relativity，" Einstein described how the only constant in the universe is the speed of light.
Albert Einstein
Born in 1879, in Ulm, Germany, Einstein was two years old when his parents moved to Munich. There his father opened a business in electrical supplies. As a boy, Einstein did not learn to talk until later than others of his age, and in his early childhood he was not considered especially bright. But by the time he was fourteen years old, he had recovered from a slow start to the extent that he had taught himself advanced mathematics from textbooks. By then he knew what he wanted to be when he grew up. He wanted to be a physicist and devote himself to research.
The Einsteins, however, could not afford to pay for the advanced education young Einstein needed. The family business had declined, and they were forced to leave Munich to live in Milan, Italy, where they had relatives. As for Albert, the family did manage to send him to a technical school in Switzerland, and later to the Federal Institute of Technology in Zurich.
In 1901, when Einstein was twenty-two years old, he began teaching, and in 1902 he went to work as a patent office examiner in Bern. Now able to pay his own expenses, he continued his schooling at the University of Zurich, where he received a doctor' s degree in 1905. This was the period when he first began the research which led to his famous theory of relativity.
To most people it is not easy to explain why Einstein' s theory has had such an immense effect upon the whole scientific and intellectual world. After its formation, scientists never again regarded the world as they had before. The theory set forth new and far-reaching conclusions about the nature of space, time, motion, mass, energy, and the relations governing all these. Basically the theory proposed, among other things, that the greatest speed possible is the speed of light; that the rate of a clock moving through space will decrease as its speed increases; and that energy and mass are equal and interchangeable. This latter claim, based on the formula "energy equals mass times the square of the speed of light" was later proved by atomic fission, on which the atomic bomb is based.
Toward the end of his life, when Einstein was asked to explain his law of relativity to a group of young students, he said: "When you sit with a nice girl for two hours, you think it's only a minute. But when you sit on a hot stove for a minute, you think it's two hours. That is relativity."
Einstein had an effect on science and history that only a few men have ever achieved. An American university president once commented that "Einstein has created a new outlook, a new view of the universe. It may be some generations before the average mind grasps the identity of time and space, and so on—but even ordinary men understand now that the universe is something vaster than ever thought before."
By 1914 Einstein had gained world fame. He accepted the offer to become a professor at the Prussian Academy of Sciences in Bedim He had few duties, little teaching, and unlimited opportunities for study. It was an ideal position, but soon his peace and quiet were broken by the First World War. Einstein hated violence. Though he was not personally involved, the war and its misery affected him deeply. He lost interest in much of his research. Only when peace finally came in 1918 was he able to get back to work.
During the years following World War [, Germany heaped honors upon Einstein. He was persuaded to become director of Theoretical Physics in the Kaiser Wilhelm Institute. He won the Nobel Prize for Physics in 1921. Prussia made him an honorary citizen. Potsdam built an Einstein Tower in its Astrophysical Institute. Berlin held public celebration on his fiftieth birthday. Being a shy man, Einstein did not attend, but he received several baskets full of cards, letters, and telegrams expressing admiration and b
A．Y
B．N
C．NG
A.As Einstein was a great scientist
B.As great scientist Einstein was
C.Great scientist was as Einstein
D.Great scientist as Einstein was
Einstein and Gates would have achieved success in any era.
A．Y
B．N
C．NG
Einstein's theory of relativity is so abstruse that very few people can appreciate it.
A．understand
B．enjoy
C．raise the value of
D．be thankful for
Einstein' s theory is easily understandable after it was formed at that time.
A．Y
B．N
C．NG
A．Y
B．N
C．NG
