30. What is the main purpose of the lecture?

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BlackTom AI · Accepted Answer

First, let's restate the question and the answer choices to set the stage for analysis.
Question: What is the main purpose of the lecture?
Options:
- a. to discuss a range of economic models
- b. to promote a particular economic mode
- c. to challenge the existing economic model

Now, evaluate each option individually to understand why it fits or fails.
Option a: 'to discuss a range of economic models' suggests a broad survey of multiple models. This could be plausible in some lectures, but the prompt specifies a 'main purpose,' which would require a more focused aim. If the lecture were primarily an overview, this could be correct; however, there is no explicit indication that breadth was the primary goal, making this option less likely as the main purpose in this context.
Option b: 'to promote a particular economic mode' asserts an advocacy stance toward one model. If the lecture has an objective to persuade toward a specific economic framework, this would be accurate. Yet the phrasing of 'main purpose' often signals a more critical or evaluative aim rather than overt promotion, so this option may not align with a critical or analytical objective.
Option c: 'to challenge the existing economic model' posits a reformist or critical objective, inviting examination and potential critique of the status quo. If the lecture aims to question current assumptions, test robustness, or propose alternatives, this would fit as the main purpose. The wording implies a stance of critique rather than endorsement, which is a common instructional goal in lectures that stimulate debate or rethinking.

To distinguish among them, consider the typical intents of academic lectures: broad overviews (a), advocacy for a single framework (b), or critical re-evaluation of the current system (c). The phrase 'main purpose' points toward a core argumentative or evaluative aim, and option c aligns with that by highlighting challenge to the status quo rather than mere description or promotion.

In terms of potential misconceptions: option a might be misread as the main purpose if the lecturer were simply presenting alternatives, but that would still be a descriptive goal rather than a challenge to the model. Option b can be dismissed if the context is didactic rather than persuasive, since a lecturing environment frequently emphasizes analysis over indoctrination. Option c, while seemingly critical, is consistent with many instructional settings where students are prompted to scrutinize existing models and consider improvements or alternatives. This makes it the best fit for the described aim of a main purpose that invites critical engagement.

In summary, option a could reflect content, option b reflects advocacy, and option c reflects critical evaluation. The strongest alignment with a 'main purpose' that invites reconsideration of established ideas is option c, given its emphasis on challenging the status quo and encouraging critical thinking.

2025 T6 AE AELC1103 University English Entry Course 10

30. What is the main purpose of the lecture?

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