求翻译：明确学习目标：在上课开始导入阶段就指出本课的要点和重点，有助于学生明确教学活动的目标和任务，使教学有的放矢。这就要求课堂导入要具有针对性。教师在进行课堂导入时，首先要针对不同的教学内容和教学对象确定不同的导入方式。教学内容不同，课堂导入的设计就应该不同，教学对象不同，课堂导入的设计也应该有所不同，但前提必须是引起学生的注意力，并服务于课堂教学。切记，单纯为了“导入”而“导入”。是什么意思？

Clear learning objectives: to point out the main points and focus of this lesson will help students clear goals and tasks of teaching and learning activities, teaching targeted in the beginning of class import stage. This requires classroom import to have targeted. Teachers during classroom import,

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Is clear about the study goal: Is attending class starts to induct the stage to point out this class main point and key, is helpful is clear about the teaching activity in the student the goal and the duty, causes the teaching with a clear goal.This request classroom inducts must have pointed.The te

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