Between 1975 and 1996, the number of overseas visitors expanded______27% on aver

游客2024-06-29 37

问题 Between 1975 and 1996, the number of overseas visitors expanded______27% on average each year.

选项 A、in
B、by
C、for
D、to

答案 B

解析句意：在1975与1996年间，海外游客的数量以平均每年27%的速度增长。该题考查的是介词。expand...by...%表示“以某种百分比上涨”。

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