求翻译：小学生一般都好胜心强，喜欢表现自己，还特别容易激动。但由于自控能力较差，注意力容易分散，影响了课堂教学效果。引入竞争机制，能激发学生的有意注意。课堂上搞小组纪律竞赛，学生必然为集体荣誉而增强自控能力，上课能专心听讲、用心思考，也会自觉地监督提醒其他同学遵守纪律。“俩俩对话”是课堂教学中经常采用的一种学生间的合作学习活动，这种活动可增强学生的语言运用和交际能力。通过”俩俩对话”，学生能人人动脑、动耳、动眼、动口，巩固了所学的对话，这些词语在日常生活中的运用有了很好地理解。是什么意思？

Pupils generally combative heart strong, like to show themselves, particular excitable. But due to poor self-control, attention is easier to disperse, the impact of the classroom teaching effect. Introducing the competition mechanism, can stimulate students ' attention. Group discipline in the classroom competition, students must enhance self-control for the collective honor, to listen in class thinking, intentions, also consciously discipline supervision and remind the other classmates. "Dialogue" is a frequently used among students in classroom teaching of cooperative learning activities, such activities can enhance students ' language and communication skills. Through "dialogue", students can all brain, ear, eye, his fists, consolidating the dialogue, in the words used in daily life has a very good understanding.