The choice of Chinese teaching language is still situated in the influence in objective factors such as the lesson type, text, target, region, environment, etc.

语文教学语言的选择还受制于课型、文本、对象、地域、环境等客观因素的影响。

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Lesson type; Question and answer type; Cooperation type; Investigation type.

课型；问答型；合作型；探究型。

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Here's a brief science lesson: Botox is a brand name for botulinum toxin type a.

CNN: Paging Dr. Gupta Blog