第一类: 关于某理论及支持范例 (theory and its examples, study, or research)
In the lecture, the professor mainly talked about the concept / theory/ definition that ____.
To reinforce the theory, the professor gave two examples / reasons in his speech. In the first example, ____. The same thing happens ____.
From the reading material， we know that…(关键术语，定义)
To demonstrate it， the speaker provides two examples/reasons/researches. One example is that……
Another example is that……。.So the suggestion is that……
第二类: 有关某问题/过程/特征的分析或研究 (regarding the analysis or research of certain phenomenon / problem / process /feature)
The reading passage describes the phenomenon / the problem / process / some functions /features of ____.
XXX ____ is ____(definition)
In the listening passage, the professor gives the demonstration of it by introducing some researches / analysis.
The first one is ____.
The second one is ____.