题目

--- I heard that there are a few seats left for tonight’s show.   --- Really? I was under the impression ______ they were sold out a long time ago. A. what                           B. which                      C. that                         D. where 答案：C20世纪60年代的美国和80年代的苏联都调整了对外战略。其相似之处是（  ） A．从战略防御转为战略进攻 B．从战略进攻转为战略防御 C．美苏对抗转为战略合作 D．从美苏战略合作转为对峙