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  3. Only computer scientists understand the architecture of personal computers, and only those who understand the architecture of pe

Only computer scientists understand the architecture of personal computers, and only those who understand the architecture of pe

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问题 Only computer scientists understand the architecture of personal computers, and only those who understand the architecture of personal computers appreciate the advances in technology made in the last decade. It follows that only those who appreciate these advances are computer scientists. Which one of the following most accurately describes a flaw in the reasoning in the argument?
选项 A、The argument contains no stated or implied relationship between computer scientists and those who appreciate the advances in technology in the last decade.
B、The argument ignores the fact that some computer scientists may not appreciate the advances in technology made in the last decade.
C、The argument ignores the fact that computer scientists may appreciate other things besides the advances in technology made in the last decade.
D、The premises of the argument are stated in such a way that they exclude any possibility of drawing any logical conclusion.
E、The premises of the argument presuppose that everyone understands the architecture of personal computers.
答案B
解析 “only”大多表示必要条件。若用A表示“computer scientists”，用B表示“understand the architec—ture of personal computers”，用C表示“appreciate the advances…”，那么段落推理可表示为C→B→A。而段落推理的结论却是A→C，即“成为一名计算机科学家的必要条件为赞赏这些进步”，明显与C→A不吻合。(B)指出了这一缺陷，因此(B)为正确答案。
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