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问题 问答题 案例分析题

【背景材料】某网络图有A～M共13项工作，其中的工作K是J的前一时段的紧后工作，K又是H后一时段的紧前工作。根据逻辑关系绘出双代号网络图，如图3-10所示。

其中，节点编号①～⑦是正确的。

绘出正确的网络图（工作项目不能少，逻辑关系不改变）。

答案

参考答案：

改正图如图3-11所示。

翻译题

阅读下面的短文，将划线部分的句子译成英文或中文。

     Food is very important. Everyone needs to eat well if he or she wants to have a strong body. 1.Our

minds also need a kind of food. This kind of food is knowledge. We begin to get knowledge even we are

very young. 2.孩子们对他们周围的一切都感兴趣. They learn something when they are watching and

listening. When they are getting older, they begin to read storybooks, science books and anything they like.

3.When they find something new, they love to ask questions and try to find out the answers. 

     4.获取知识的最佳方法是什么呢? If we learn by ourselves, we will get the most knowledge. If we

are always getting answers from others and do not ask why, we will never learn well. 5.If we study in the

right way, we will learn more and understand better.

1.                                                                                           

2.                                                                                           

3.                                                                                           

4.                                                                                           

5.                                                                                           

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单项选择题

下表是某供应商的库存量数据：可以作为表的唯一标识的字段为（）。

A.供应商ID

B.产品ID

C.库存量

D.产地
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