题目

        many times, but he forgot all about it and didn't come for the meeting.     A. Having told him             B.I had told him     C. Having been told            D. Though  I had to tell him   答案：B美国总统奥巴马在竞选获胜演讲中说：“美国的真正天赋在于，它懂得改变。”20世纪30年代美国所进行的一次重大“改变”的主要目的是（ ）A．加强国家对经济的干预和指导，消除经济危机B．废除黑人奴隶制度，维护国家统一C．驱逐殖民者，建立独立国家D．发展商品经济，促进国民经济的恢复和发展