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回想一下,再看答案

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先回想学过的内容,再查看解释,然后选择下次复习的时间。

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B1

Principle or Principal: How to Choose

先写下记得的内容,再查看解释。不要填写个人信息。

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A principle is always a noun that names a basic rule, belief, natural law, or ethical standard. It represents an abstract idea that guides action. Principal can function as both a noun and an adjective. As a noun, it refers to a person holding the highest authority in an organization or the original sum of money in a financial agreement. As an adjective, it describes the most important, primary, or leading item among a group.

The company directors agreed to the new environmental policy in principle.
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