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问题 多项选择题

按滤油形式可以分为机械式，磁性，静电滤油器，港口机械常用的机械式滤油器有（）

A.网式滤油器

B.线隙式滤油器

C.离心式滤油器

D.纸芯式滤油器

E.磁电式滤油器

答案

参考答案：A, B, D

单项选择题

Originally, the World-Wide Web was designed as information medium for (71) research teams. A deliberately simple implementation model was chosen to make it as simple as possible for authors to (72) documents to the web, and to (73) these in the sense of updating content. This implementation model is centered around the notion of resources, usually file-base D. For the (74) intended use of the web, resources presented a useful abstraction, as they related to relatively self-contained chunks of information such as research publications and (75) pages. Such chunks of information typically could be set up and maintained independently of other resources, so that resources were the appropriate abstraction for composition and modification.

（72）（）

A.contribute

B.write

C.hand

D.make
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单项选择题

下列不属于信息传递方式的是（）。

A.上网

B.发信息

C.思考

D.看电影
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