十几年前,我在上九年级物理的《热机》时,由于自己对于这部分的内容不是很熟悉,在讲完课本知识之后,对班级的同学说:“其实,实际的热机是很复杂的,我知道的也不是很多,感兴趣的同学可以去查一些资料。”这时,班级的几位同学说:“老师,他知道。”我一看是我们班级成绩最差的一名同学,平时物理的考 More than a decade ago, when I was in the ninth year physics “hot machine”, because I was not very familiar with this part of the content, after the textbook knowledge, I said to classmates: “In fact, the actual heat is very Complex, I do not know a lot, interested students can go to check some information. ”“ At this time, several class classmates said: ”I know it is the worst in our class A classmate, usually physical test