研究人员和班主任会负责班级学生的秩序，并且在做活动之前会向学生讲解清楚

Researchers and head teachers will be responsible for the order of class students, and will explain the rules to students before doing activities to avoid confusion. Researchers and head teachers will move around in the classroom to organize adverse events in a timely manner

Researchers and head teachers are responsible for the order of class students and explain the rules clearly to students before doing activities to avoid confusion, and researchers and head teachers move around the classroom and organize incidents of bad behavior

The researchers and the head teacher will be responsible for the order of the students in the class, and will explain the rules clearly to the students before doing the activities, so as to avoid confusion. The researchers and the head teacher will walk around the classroom, and organize the occurrence of adverse events in time<br>