Between 1975 and 1996, the number of overseas visitors expanded _________ 27% on average each year.
Between 1975 and 1996, the number of overseas visitors expanded _________ 27% on average each year.
A、in
B、by
C、for
D、to
【正确答案】:B
【题目解析】:【答案】B 【译文】在1975到1996年间,海外游客的数量以平均每年27%的速度增长。 【考点】介词的用法 【解析】expand by…%表示“以某种百分比增长”,故选B。
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