Starting from April 19 (next Monday)，The Dongdian Heart language propaganda group will start during the evening self-study period，Enter the class to carry out "the power of positive emotions" propaganda activities，Lecture content center teachers have checked，Please inform class leaders of Class 2020，In case the team goes to pitch，The students don't know the situation!Please refer to the attachment for the presentation schedule，If the school or class has special circumstances can not be preached，Please inform the center in advance。