According to the author, the American economic situation is ______. The 1978-1987 averages of productivity are less than ______

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问题 According to the author, the American economic situation is ______.
The 1978-1987 averages of productivity are less than ______.

选项 A、1%
B、2%
C、1.5%
D、4%

答案A

解析 这是一道文章细节分析题。由文章第二段第三句"And since 1991,productivity has increased by about 2% a year,which are more than twice the 1978-1987 averages"可知正确答案。
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