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问题 单项选择题

采用 UML 分析用户需求时，用例 UC1 可以出现在用例 UC2 出现的任何位置，那么UC1 和UC2 之间的关系是 （1）。

A．include

B．extend

C．generalize

D．call

答案

参考答案：C

改错题

第二节短文改错（共10小题，每小题1.5分，满分15分）

For different reasons, people are pouring into big cities, which cause much more trouble than expected. As the growth of the population, city problems are grown day by day. To begin with, big cities are becoming so crowed that it makes find jobs very difficult. As a result, people without jobs are likely to become danger to our society. In additional, the environment is getting worse and worse, and there is pollution and traffic problems as well as. We can’t choose but face with them. In my opinion, big cities need to control the population to help develop itself for the future. In terms of improving the environment, every citizen should be called on to contribute to protect the environment.
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单项选择题

在政府公关中，作为转危为机的前提，需要将危机从“高关注、低声誉”转向（）。

A.高关注、高声誉

B.低关注、低声誉

C.低关注、高声誉

D.无关注、无声誉
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