◎ 题干
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
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“The number of the workers in this factory300, that is to say, it20%.A.has increased by; has increased toB.have increased to; have increased byC.has increased …”主要考查了你对  【动词短语】【动词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。