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    精英家教网 > 高中英语 > 题目详情
    The number of  the workers in this factory     300, that is to say,
    it       20%.
    A．has increased by; has increased to
    B．have increased to; have increased by
    C．has increased to; has increased by
    D．have increased by; have increased to
    C
    考察固定结构。Increase to增加到…表示结果；increase by…增加了…表示程度；结合句意可知C正确。句意：这家工厂的工人数量增加到了300，就是说增加了百分之20.
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