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
<上一题 目录 下一题>
热门 试题

单项选择题
The English-Chinese dictionary of medical ______ compiled by Professor Smith was published recently.
A．words
B．expressions
C．terms
D．vocabulary
单项选择题
There used to be a cherry tree in this field, ______
A．usedn't it
B．usen't it
C．didn't it there
D．usedn't there
相关试题