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系统软件是管理、监控和维护计算机资源的软件。 Ⅰ．高效硬件功能的控制程序 Ⅱ．提供各种应用的通用服务功能程序 Ⅲ．支持计算机系统故障预防、检出、处理等程序 Ⅳ．保护数据和程序等信息，支持计算机系统正确运行的程序 Ⅴ．支持计算机与其他计算机或设备通信处理的程序 Ⅵ．整顿软件编制环境，增强软件编制效率和质量的支援程序 Ⅶ．使系统操作高效、容易、安全的程序等 其主要功能软件包括：
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In the United States, teaching is playing a very important role in society. If teachers do not teach well, students could complain about it to the administrative offices in the university. If many students do not understand, people think that the teacher does not do a good job. The teacher has big responsibility to make sure students understand. Ina sense, students are consumers and the teacher is offering services.Students have the right to evaluate their teachers, and they usually do so at the end of each course. That evaluation includes lots of aspects of teaching, such as explanation, preparation, using good examples, answering questions, and organization of classes. Students should be able to make objective judgment about the teacher.Students are supposed to read required textbooks and recommended books before class. With- out reading them, they will find it very difficult to understand the class. Basic courses on doing re- search and writing papers are taught at the beginning of the program. They teach things very concretely and clearly. Students are expected to apply what they have learned in classes to their studies.Classes are usually divided into a series of lectures and seminars (研讨会)There are some lecture classes, where the teacher just gives a lecture, and students ask questions at the end. Most graduate level classes are lectures and discussions. Participating in discussions is very important. Higher level classes involve very little lecturing. They emphasize discussion and presentation by the students. Teachers are evaluated by students mainly on（）
Supposing this ship（）, do you think there would be enough life jackets for ail the passengers
林先生，22岁，患有性病，认为自己患病是一种惩罚，并且认为患的是为社会所不能接受的疾病，甚至产生潜在的暴力行为，此种对疾病的心理反应属于
Fox was advised to give the assignment to（）he believed had a strong sense of responsibility.
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