【題目】At the ceremony, the president delivered a thank-you speech ______ the company.

A. on account of B. in charge of

C. on behalf of D. in terms of

【答案】C

【解析】

試題分析：考查介詞短語。句意為：在開幕式上，經(jīng)理代表公司作了演講，表達感激之情。on account of“因為，由于，基于”；in charge of“負責，掌管”；on behalf of“代表”；in terms of“就.....而言”。故選C。

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