题目内容

What is the most useful purpose of travel in your opinion?

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Do you agree that cultural difference is the biggest barrier in travel? Why or why not?

On friendshipEveryone needs friendship. No one can sail the ocean of life single-handed. We need help from, and also give help to, others. In the modern age, people ____more importance to relations and connections. A man of charisma has many friends. His power lies in his ability to give. The term, friend, ____a wide range of meanings. It can be a nodding acquaintance, a comrade, a confidant, a partner, a playmate, a brother, an ____, etc. As life is full of strife and ____, we need friends to support and help us out of difficulties. Our friends give us ____against danger. True friends share not only joy but, more often than not, they share ____. With friendship, life is happy and ____. Without friendship, life is hostile and unfortunate. I have friends in the rank and file. Some are rich and in power. Some are low and ____. Some are like myself, working as a teacher, reading and writing and content with the simple life we have. To many of my friends, I know what to ____, what to tolerate and what to share.I will never forget my old friends and keep making new friends. I will not be cold and ____to the poor friends and will show concern for them, even if it is only a comforting word.

1.用户可以使用()编写控制作业执行步骤的作业说明书。

A. 操作控制命令
B. 作业控制语言
C. 作业启动命令
D. 窗口或菜单

2.计算时间短的作业优先的调度算法会使()

A. 每个作业等待时间较短
B. 平均周转时间最短
C. 系统效率最高
D. 长作业等待时间较短

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