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18.今年因为干旱,蔬菜价格增长了10%.
Because of drought,the prices of vegetables haveincreasedby 10% this year.

分析 increased by

解答 答案:increased by,这里是表示增加了10%,用短语increase by,再者这里是现在完成时have+过去分词,故答案是increased by

点评 这里是表示增长了多少用increase by,若是增长到多少用increase to,这里还要注意时态

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