单项选择题

What is the best title for this passage

A．Six Stages for Repairing Sam's Bicycle.
B．Possible Ways to Problem-solving.
C．Necessities of Problem Analysis.
D．Suggestions for Analyzing a Problem.

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单项选择题

As used in the last sentence, the phrase in short means_____.

A．in the long run
B．in detail
C．in a word
D．in the end

单项选择题

In analyzing a problem we should do all the following except_____.

A．recognize and define the problem
B．look for information to make the problem clearer
C．have suggestions for a possible solution
D．find a solution by trial or mistake