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 and error

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热门试题

单项选择题

As used in the first paragraph, the phrase by trial and error means____________.

A．refer to others
B．by accident
C．consult teachers
D．through experiments

单项选择题

According to the article, a good student in college must also__________.

A．know the answer to every quiz question
B．answer only interesting questions
C．know the answer to every question the teacher asks
D．know the answers to a lot of quiz questions but maybe not the hardest ones