What is the best title for this passage? A. Six Stages for Repairing Sam's Bicycle. B
What is the best title for this passage?
A. Six Stages for Repairing Sam's Bicycle.
B. Possible Steps of Problem-solving.
C. Necessities of Problem Analysis.
D. Importance of Analyzing a Problem.
51．选项 B是正确的。作者以 Sam为例，但并不是告诉读者如何修 Sam的车(选项 A)；文章也并不是谈分析问题的必要性或重要性(选项 C和D)。
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