The reading passage explores the issue of… The professor's lecture deals with the same issue. However, he/she thinks that… which contradicts what the reading states. And in the lecture, he/she uses three specific points to support his/her idea.
First, even though the reading passage suggests that…, the professor argues in the lecture that… This is because…, which means… Obviously, the professor's argument disproves its counterpart in the reading.
Moreover, contrary to the statement in the reading that, the professor contends that… Then he/she supports this point with the fact that… In other words, …
Finally, the professor asserts that… whereas the author of the reading claims that… The professor proves that this claim is indefensible by pointing out that… -- i.e. ,…
In conclusion, the professor clearly identifies the weaknesses in reading passage and convincingly shows that the central argument in the reading, -- that is, … is incorrect.
