题目内容

Part B
Below are pictures showing two mothers teach their children differently how to treat the elderly. Look at the pictures and write an essay of about 120 words making reference to the following points:
1. a description of the two pictures
2. your comment on the behaviors of the two mothers

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Section A
Directions: Translate the following English into Chinese. (10 points)
By pooling their resources together, small groups of students generally gain advantages over individuals who prefer to study alone.

朋友说你考公务员就是为了当官。你怎么解释？

为了实现数据库管理系统的三级模式之间的联系，数据库管理系统提供了两个映像，它们是外模式/模式映像和【】。

请说明操作系统作业管理的功能？作业调度算法是指按照什么样的原则来选取作业并投入运行？调度算法的合理性直接影响系统的效率，作业调度算法有哪些？对算法的选择需要考虑哪些问题？