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　　When something occurs, there must be a cause or a result. Therefore, such logical connection is often found between two sentences: one sentence describing the occurrence; while the other explaining why or how it occurs, or what consequence it brings about.
　　Practice on identifying the logical connection between sentences helps to improve your reading comprehension of passages as they are made up of sentences.
　　Click “Next” to begin.

引言
　　一件事情的发生总有其原因或结果。因此，两个句子之间常常存在着这样的逻辑联系：一个句子描述事情的发生，而另一句则说明事情产生的原因或过程，或说明带来的结果。
　　识别句子之间的逻辑联系的练习将有助于提高对篇章的阅读理解，因为篇章是由句子组成的。
　　点击 “Next” 开始练习。

Directions: Read the following sentences carefully, and decide which sentence on the left matches the one on the right in logical connection.
练习说明： 仔细阅读下面的句子，并根据逻辑联系确定左栏句子与右栏句子的搭配。