单选题 He ______ Donald McHenry as ambassador to the United Nations.
【正确答案】 B
【答案解析】解析:appoint(as)vt.任命,委派:约定,指定(时间、地点)(如:They appointed him(to be)(as)chairman.Mr.Pearson was appointed to the Chairmanship of the Committee)。assign vt.指派,选派;分配,布置(作业)。可以说make sb.sb.;不能说make sb.as sb.;可以说propose sb.for chairman建议让……当主席,不能说propose sb.as sb.。