求翻译：1. The role of the teacher ---Students should realize that the teacher has many roles in the classroom, not just that of evaluator. I would have greater control at the presentation stage and often act as a demonstrator, and try to be an organizer, a conductor and a monitor at the practice stage, and a stimulator and a helper at the production stage. I would like students to get used to being responsible for their own learning is a collaborative endeavour and not a competitive one. They should come to realize that they could learn from each other and help each other, especially in speaking which is not a skill they can practise on they own.是什么意思？

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