Plateau phenomenon: It means that students often have such a stage in the learning process, that is, when the academic performance reaches a certain level, the speed of continuous improvement slows down, and some people even stagnate or regress.
According to the above definition, which of the following is plateau phenomena?
Xiaoqi did a good job in the mock exam for the college entrance examination. He felt that he could get into a good university if he didn't study