Physics teacher lectures on chemistry test papers

One day in a physics class, the physics teacher took out the test paper and said to the students, "In this class, let's talk about the topic of the midterm exam." He lowered his head to copy the words on the blackboard, and was taken aback, chemistry test paper! !Turned around and coughed lightly. "The exam questions this time are too simple, there is nothing to talk about." After a pause, "It just so happens that the chemistry teacher is ill today, so I'll help her explain the chemistry test papers." The students all looked at the chemistry teacher who just passed the classroom door teacher.Hmm, it's over, I won't be able to get out of bed when I go back at night. ----Background: Same-sex Marriage This is a daily sweet article written according to the campus line. Search keywords: Protagonist: Liang Ruozhi and Shen Mingyue┃ Supporting role: Lin Xi and Ye Duoduo; students from class three