From 1948 to 1966 average yearly growth in real spendable earnings was ______ percent in the United States.
From 1948 to 1966 average yearly growth in real spendable earnings was ______ percent in the United States.
A、1.1
B、2.1
C、3.1
D、4.1
【正确答案】:B
【题目解析】:从1948年到1966年,美国实际可支出收入的平均年增长率为2.1%。

Top