填空题

If you want to search for information which has no permanent home on the Web, you can mm to Usenet for help.

【参考答案】

Y

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填空题

If you want the search engines to get good results, you need to give______.

问答题

表示问候2. 描述一下本学期的学习生活情况3. 谈谈对即将到来的暑假的打算