1.教师导入话语策略。导入语要引起学生注意,给予学生较强的、新颖的刺激,促使学生注意力迅速集中,并指向特定的教学任务和程序;导入语要能营造学习气氛,引起学生认知需要,教师可用语言创设问题情境,引起学生的认知冲突;开放式导入,充分激活学生思维,使学生能参与到导入过程中去,通过愉快的体验,产生力求认识某种事物的心理倾向。2.教师提问话语策略。丰富程序型问题。程序型问题以教师控制课堂为主,学生往往只能回答 1. Teachers to import discourse strategy. Import language to attract students to give students a strong, novel stimuli, prompting students to focus quickly and point to specific teaching tasks and procedures; Import language to create a learning atmosphere, arouse the cognitive needs of students, teachers can use the language Create problem situations and arouse students ’cognitive conflicts; openly import and fully activate students’ thinking so as to enable students to participate in the process of being introduced and to create psychological tendencies to seek something through pleasant experiences. 2. Teachers question the speech strategy. Rich procedural issues. Programmatic problems dominated by teacher-controlled classrooms, students often only answer