题目内容

图的深度优先遍历可以视为一个递归过程。

A. 对
B. 错

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What’s the man doing?[音频]

A. Studying Chinese.
B. Doing a Chinese test.
C. Reviewing his Chinese lessons.

What’s Tom going to do?[音频]

A. Write a history paper for the woman.
B. Help the woman with her history lesson.
C. Help the woman finish her history paper.
D. Tell the woman how to write a history paper quickly.

What’s the man looking for?[音频]

A. The English Department.
B. The French Department.
C. The German Department.
D. he school library.

When will the man see the professor?[音频]

After his class is over.
B. After four o’clock today.
C. In a few minutes.
D. Sometime after four tomorrow afternoon.

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