【问】 Mr. Anderson presided ____the board meeting on behalf of the Chairman.

A. at B. over C. on D. in

(1993年大学英语专业四级考试试题，见《外语教学资料通讯》1995年第2期，P.12)我不知道是选A，还是选B。请分析。

【答】 这道试题出得不够恰当，因为选A或选B都是同样正确的。请看下面的实例：

1. He had presided over a seminal for theoretical physicists. (EED)

他曾主持过一次理论物理学家的研习班。

2. The city council is presided over by the mayor. (ALD)

市政会由市长主持。

3. Who will preside over the committee meeting while the chairman is away? (LDPV)

主席不在时谁来主持会议?

4. Our principal will preside at our election of school officers. (Thorndike)

我们的校长将主持学校领导人员的选举。

5. Judge Johnson will be presiding at the trial. (FWF)

约翰逊法官将主持这次审判。

6. Minister was asked to preside at the independence ceremonies of the small island state.(LDPV)

部长受邀主持这个小岛国的独立仪式。