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 First of all, ________ my company, I’d like to extend our warmest welcome to the distinguished guests from Beijing University.

A. instead of                                             B. apart from

C. on behalf of                                                 D. in place of

【解析】选C。句意:首先,我代表我们公司向来自北京大学的尊贵的宾客们致以热烈的欢迎。on behalf of意为“代表”。

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