题目内容：
为什么主题引擎的分类途径不如目录指南型引擎？
参考答案：
问答题：为什么主题引擎的分类途径不如目录指南型引擎？
- 题目分类：图书馆、情报与文献学
- 题目类型：问答题
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[交际用语]- What's the weather like today? - _________
[交际用语]- What's the weather like today? - _________
[交际用语]- Would you like to have some coffee? - _________A No, please. B Yes, I
[交际用语]- Would you like to have some coffee? - _________A No, please. B Yes, I
集输站周边的噪声敏感建筑物主要指（）。A．医院B．学校、住宅C．机关、科研单位D．高速公路服务区
集输站周边的噪声敏感建筑物主要指（）。A．医院B．学校、住宅C．机关、科研单位D．高速公路服务区
[交际用语]- I'd like to invite you to dinner this Saturday, Mr. Smith.- _________
[交际用语]- I'd like to invite you to dinner this Saturday, Mr. Smith.- _________
[交际用语]- Thank you for your invitation.- _________
[交际用语]- Thank you for your invitation.- _________