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Next the thinker must define the problem. Before Sam can repair his bicycle, he must find the reason why it does not work. ______ He must make his problem more specific.
  • A. However, when all these methods fail, the person with a problem has to start analyzing.
  • B. Eventually one suggestion seems to be the solution to the problem.
  • C. He immediately realizes the solution to his problem: he must clean the gear wheels.
  • D. For instance, he must determine if the problem is with the gears, the brakes, or the flame.
  • E. After studying the problem, the person should have several suggestions for a possible solution.
  • F. In short, he has solved the problem.

【参考答案】

D
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