说明
lay/lie 见 lie
lead to sth. /lead sb. to do sth.
核心问题
The injustices in the city and in the South led Dr King to organise non-violent demonstrations aimed at ending separation. 这里的 lead to 中 to 不应是介词吗？怎么一分开，就变成动词
不定式的标志了呢？还是教科书写的不对？
词典解答
你只记住了 lead to sth. 结构,但是却没有掌握 lead sb. to do sth. 结构。你所引用的句子使用的是后一结构。让我们对这两种不同的结构作一简单的对比：
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Eating too much sugar can lead to health problems. 吃过多的糖会引起健康问题。
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This has led scientists to speculate on the existence of other galaxies. 这就使得科学家们推测还有星系存在。
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Being under pressure can easily lead people to make the wrong decisions. 压力很容易使人作出错误的决定。
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Their doctrines led them to believe in their ultimate victory. 他们的教义使他们相信他们会取得最后的胜利。