B．it represents an enormous step forward in our scientific evolution

　　C．it provides a perfect solution to mass unemployment

　　D．nuclear power stations can be run and maintained by relatively few technical and administrative staff

　　Which of the following statements does the writer support?

　　A．Nuclear energy is something we cannot do without.

　　B．The demand for commercial products will not necessarily keep increasing.

　　C．Uranium is a good source of energy for economic and ecological reasons.

　　D．Greater safety provisions can bring about the expansion of nuclear energy programs.

　　The function of the last sentence is to _____ .

　　A．advance the final argument

　　B．reverse previously expressed thoughts

　　C．reflect the writer's attitude

　　D．show the disadvantages of nuclear power

　　Passage 4

　　The sense of honor appears to be dying.

　　In World War Ⅱ men died more or less willingly for the nation and the nation's honor, and they were honored for it in reture. Now we have become cynical about such things; the nation lies, fights unjustifiable wars; the nation robs the poor to give to the rich.

　　At my college the students used to agree to inform on their friends rather than suffer a breach in the honor code. A sense of honor is a sense that there are standards of behavior one must live up to, even at the cost of one's personal hapiness, even at the cost of one's life. Without such a sense one has to make up one's rights and wrongs as one goes long-usually, as it happens, to one's own advantage. Morality thereby becomes a matter of expediency: nothing seems worth dying for, and life loses its beauty and some of its value.

　　Our recent history has deprived us of models. Ⅰ cherish the story of John Stubbs, a Puritan divine of Queen Elizabeth's time who strongly opposed her projected marriage to the duke of Alencon. Stubbs knew the penalty for doing so ,which was the loss of a hand; nevertheless, he published, and was led out for public execution of the sentence. Stubbs laid his right hand on the block, the ax fell, and he rose to his feet, lifted the bloody stump high in the air, and cried out to the crowd, “Long live the queen!”

　　In spite of the blood and the horror, it is the beauty of such an act that stands out. A man lives u

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