Provides a base class for arguments for events dealing with a change in input language.

提供用于处理输入语言更改的事件的参数的基类。

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Questioning is essential to produce the most effective method of language input for in-class foreign language education.

提问是外语课堂教学中最基础而又最有效的语言输入方式。

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Questioning is essential to produce the most effective method of language input for in-class foreign language education.

提问是外语课堂教学中最基础而又最有效的语言输入方式。

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