2. 外语
  3. The role of American women______significantly from the time the nation was born, to the modern era of the 1950s and 1960s.

The role of American women______significantly from the time the nation was born, to the modern era of the 1950s and 1960s.

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问题 The role of American women______significantly from the time the nation was born, to the modern era of the 1950s and 1960s.
选项 A、has changed
B、has been changed
C、changed
D、had been changed
答案D
解析 语法知识。考查时态。句中提及美国女人的角色在二十世纪五六十年代已经改变了，表示当时已经完成的动作，故应该用过去完成时表达，再考虑到role与change之间应为被动关系，故答案为D。
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