问题
填空题
操作系统有两个重要的作用,一个是管理系统中的各种软硬件资源;另一个是向用户提供良好的 【2】
答案
参考答案:界面或接口
解析: 操作系统的两个作用是: 1)管理系统中的各种资源; 2)为用户提供良好的界面。
操作系统有两个重要的作用,一个是管理系统中的各种软硬件资源;另一个是向用户提供良好的 【2】
参考答案:界面或接口
解析: 操作系统的两个作用是: 1)管理系统中的各种资源; 2)为用户提供良好的界面。
阅读理解。 | ||||
Mr and Mrs Brown have two children, Mike and Liz. The whole family are all busy, so they often leave notes for each other. Read these four notes of today and answer the following questions.
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1. When will Liz be back home? | ||||
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A. At 3:30 p.m. B. At 4:00 p.m. C. At 5:00 p.m. D. At 9:00 p.m. | ||||
2. Who should walk the dog today? | ||||
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A. Mike. | ||||
3. What's Mike probably doing at 6:50 p.m? | ||||
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A. Practicing football. B. Going to Donna's house. C. Playing tennis. D. Doing his homework. | ||||
4. Where can Mike find his tennis shoes? | ||||
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A. In his bedroom. B. Outside the back door. C. In the living room. D. At Donna's house. | ||||
5. According to the notes, Teddy is . | ||||
[ ] | ||||
A. Mike's mother B. Mike's brother C. Mike's football coach D. the dog in the family |