The reading passage and lecture give contradictory opinions on the topic of___________,___________. The passage explains that _______________________ while the lecture provides several counterarguments to this view.
　　The lecture revises the idea presented in the text,_____________________________.
　　The author of the reading passage proposes three theories as likely the explanations of _________________.The lecturer, however, points to the inaccuracies in each of these theories.
　　The speaker raises serious counterarguments against the reading paragraphs by providing drastically different evidences regarding____________________, the impact of____________________.