Last year, these ships transported a total of 80 million tons of cargo, a 4.4 percent increase _____ the precious year.

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问题 Last year, these ships transported a total of 80 million tons of cargo, a 4.4 percent increase _____ the precious year.

选项 A、by
B、over
C、with
D、to

答案B

解析 固定搭配。increase by意为“增长了”,如:The rate of inflation has increased by 4%.(通货膨胀率已增长了4%。)本题中介词宾语为时间,故应用over,表示比较,如:an increase of nearly 50% over last year(比去年增长近50%)。
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