题目内容

下面的有向图，其结点可以排成多少个不同的拓扑序列？

A. 3
B. 5
C. 7
D. 9

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Why does TechnoHome require training for its staff？

A. It attempts to increase efficiency.
B. It plans to hire more experienced people.
C. It wants to assess the competence of the staff.
D. It tries to develop a customer service mindset.

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If one wants to reduce his or her spelling mistakes, which book is better？

A. Practical Spelling
B. Practical Vocabulary
C. How to Study
D. Improve Your Writing for work

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How many people are on John Trimbald's crew？

A. Four
B. Five
C. Six
D. Twelve

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Which of the following words can best summarize the president's general attitude towards John Trimbald's complaint？

A. Critical
B. Cooperative
C. Hostile
D. Indifferent

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下面的有向图，其结点可以排成多少个不同的拓扑序列？

A. 3 B. 5 C. 7 D. 9

Why does TechnoHome require training for its staff？

If one wants to reduce his or her spelling mistakes, which book is better？

How many people are on John Trimbald's crew？

Which of the following words can best summarize the president's general attitude towards John Trimbald's complaint？

A. 3
B. 5
C. 7
D. 9