Tham khảo tài liệu 'the official guide to the toefl ibt third edition part 47', ngoại ngữ, toefl - ielts - toeic phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Answers Explanations and Listening Scripts Answer Explanations 17. O This is a Gist-Purpose question. Most of the excerpt that you listened to was about Plato s theory that society is made up of three groups. However the beginning and the end of the excerpt set the context for this discussion. Plato discusses society because he thinks a society is similar to an individual person. The speaker is describing Plato s ideas and does not say whether they are true or not so neither choice 1 nor choice 2 can be correct. Again the speaker is not concerned with the real historical societies so choice 3 cannot be correct. Only choice 4 is possible. 18. O This question asks you to listen again to this statement Now some of you may have studied Plato s philosophy in some other course so this might be easy. OK. At the risk of boring you let me give you just an overview of Plato s ethical theory. You are then asked a Making Inferences question. The professor is anticipating that some students may have already studied The Republic in another class and be familiar with the basics of Plato s theory. He says that the review may be easy or boring to students already familiar with the theory but he is talking about his review not the theory itself. So choices 2 3 and 4 are not implied. Choice 1 that some students might be familiar with the theory is implied. 19. 0 This question asks you to listen again to this part of the lecture But why Why do workers and soldiers have to learn self-control Well how can a society flourish if the workers and soldiers don t control their desires and emotions Then you are asked why the professor says this Well how can a society flourish if the workers and soldiers don t control their desires and emotions You are asked the purpose of a question so this is an Understanding the Function of What Is Said item. The quote is an example of a rhetorical question and is really an answer to the previous question Why do workers and soldiers have to learn .