第17题:[单选题]The teacher gives students 2 minutes to skim a text, and when time is up, he asks students to stop and answer some questions. Here the teacher is playing the role of a (an)__________. A.assessor B.prompter C.participant D.controller 参考答案:D 考查课堂管理中教师的角色。教师是课堂教学的调控者(controller)、促进者(prompter)、参与者(panicipant)、组织者(organizer)、评估者(assessor)、资源提供者(resource.provider)。此处体现的是教师在课堂上的调控能力.故选D。