任务单具有开放性、指导性、时空性、反馈性的特点。教学中使用任务单开放了学习空间,可以照顾到全体学生,为每一位学生的思考、探索、发现和创新提供空间,激发学生学习的主动性和学习活力,提高学习兴趣和效率,为课堂增值。而功能性写作,主要是将写作置于真实或拟真的社会情境、任务场景或具体语境中,将写作内容作为一种交往载体,让每次写作成为自己已有的语言的运用,成为 The mission statement has the characteristics of openness, guidance, space-time and feedback. The use of task sheets in teaching opens up the learning space and takes care of all students, providing space for each student to think, explore, discover and innovate, stimulating student learning initiative and learning vitality, and improving learning interest and efficiency. Value-added. The functional writing, the writing is mainly placed in real or immersive social situations, mission scenarios or specific context, the writing content as a carrier of communication, so that each writing has become its own existing language, become