题目内容

一个完整的搜索引擎的组成部分包括？（）

A. 检索请求提交机制
B. 检索接口代理机制
C. 检索结果显示机制
D. 检索需求提交机制

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1

A. It is interesting.
B. That’s nothing
C. He’s all right.
D. Sorry, he is out.

2

A. With pleasure.
B. Yes, of course.
C. Never mind.
D. Thanks a lot.

4

A. So long.
B. Next month.
C. One month.
D. Two books.

5

A. You are welcome.
B. Of course.
C. Yes, it is.
D. It was excellent.