求翻译：在预听阶段，老师有助于学生准备听的主题相关的和有趣的。也就是说，听前活动的目的应该是激励学生，激活他们已有的知识，并教关键词或关键结构，学生在听之前的人使学生有效的勇敢地和语言编写的听力任务是什么意思？

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In the Preview phase, teachers can help students prepare relevant to the subject of the hearing and interesting. In other words, before answering activities should be aimed at encouraging students to activate their existing knowledge and teach the keywords or key structures, students of the hearings

In the pre-fade listening stage, teacher is helpful the subject correlation which prepares in the student to listen and interesting.Front in other words, listens to the goal which moves to be supposed drives the student, activates them already the knowledge which has, and teaches the key word or the

During the pre-listening phase, the teacher helps students prepare to listen to topics relevant and interesting. That is, the pre-listening activities is designed to motivate students, to activate their knowledge and teach keywords or key structures, before the students listening to people so that s

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