跟读练习: OBESITY (PODCAST) - IELTS TOPIC - 通过YouTube学习英语口语
B2
To be obese means to have too much fat on the body.
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To be obese means to have too much fat on the body.
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Obese people are not just overweight.
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Such people are likely to suffer health problems because of their weight.
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The precise cause of obesity is not clear.
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However, it is clear that obesity is a problem in most countries.
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One study estimated that about 55% of people in the United States are obese.
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People need to understand what obesity is and how to tell
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if they themselves are obese so that they can change their condition.
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An obese person does not have to look extremely fat.
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Even people who seem only slightly overweight can actually be considered obese.
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If a person has a certain amount of fat on their body,
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then their health might be in danger.
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This amount of fat is usually thought to be 40% of the body's total composition.
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Finding a person's exact fat percentage is troublesome.
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Most people still rely on their weight measurement to tell them if they are overweight or obese.
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There are problems with this method, however.
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There are recommended weights for different ages.
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In addition, weight alone says nothing about a person's percentage of body fat,
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which is most important.
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People have different body types,
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which can make weight measurements unreliable.
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For instance, athletes usually have more muscle mass than other people.
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Muscle weighs more than fat.
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Therefore, an athlete may weigh more than their recommended weight.
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But this does not mean they are not healthy.
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A more accurate measurement of body fat is needed.
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Probably the most popular method of determining body fat today is the Body Mass Index, BMI.
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BMI is a person's weight in kilograms divided by the square of his or her height in meters.
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For men, a BMI is a person's weight,
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in kilograms, divided by the square of his or her height, in meters.
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For men, a BMI of 24 to 27 is normal.
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For women, it is 23 to 26.
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A BMI of 30 or more means a person is obese.
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Many experts feel that BMI is a reliable way to determine if a person's weight is unhealthy.
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However, others feel that BMI is too general to be really useful.
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The numbers come from comparisons of large groups of people.
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It is not related to an individual's body composition.
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BMI says nothing about a person's actual percentage of body fat.
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There are many different ways that BMI can be affected by body shape and size.
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Muscular people may show a high BMI,
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even though they are perfectly healthy.
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Some people have higher bone density than others, which increases their weight.
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In some cases, those who have very low body fat
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and are also not muscular can have a BMI that is too high.
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BMI is also unreliable for children and the elderly.
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Even supporters of BMI think that it should not be used for people under 18 or over 70 years old.
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Despite these criticisms, there are strong positive aspects of BMI.
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The main one is that it is very simple.
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The measurement can be performed easily.
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It does not take special knowledge or equipment.
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Though BMI is a general measurement,
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it still gives useful information.
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At least, it can suggest that there might be a problem.
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Furthermore, some studies have shown that people with higher BMI numbers have a higher risk of health problems.
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It takes only a minute to get a BMI number,
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but the results can be very important to a person's life.
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本课概述
在本课中，学习者将通过分析与“肥胖”相关的话题来提高英语发音和口语能力。该内容基于一段讨论肥胖成因及其健康影响的播客文字稿。学习者将会理解肥胖的定义、测量方法及可能的健康风险，并尝试模拟播客中的表达方式，以此提高英语口语练习的能力。
关键词汇与短语
- 肥胖 (obesity) - 指的是身体脂肪过多的状态。
- 健康问题 (health problems) - 由于体重过重可能引发的健康风险。
- 身体成分 (body composition) - 体内脂肪、肌肉等的组成比例。
- 身体质量指数 (BMI) - 一种根据体重和身高计算出的体重健康标准。
- 肌肉质量 (muscle mass) - 与脂肪相比，肌肉的重量较大。
- 骨密度 (bone density) - 骨骼的密实程度，会影响体重。
- 影子跟读 (shadowing) - 一种语音练习技巧，通过模仿听到的内容提高发音。
- 发音 (pronunciation) - 正确读出单词和句子的能力。
练习技巧
为了在这段群体描述中更有效地进行英语影子跟读，建议学习者遵循以下几点：
- 速度控制：播客的语速可能较快，初次听时可以适当调整速度，确保听得清楚后再进行模仿。
- 注意语调：在模仿时，关注说话者的语调和节奏，努力将其融入自己的表达中，以自然的方式提高英语发音。
- 逐句练习：将长段落拆分成几句逐一练习，重复多次以掌握每句的发音和语调。
- 录音反馈：自己录制跟读的声音，与原播客进行对比。这会帮助识别发音中的问题，并相应调整。
- 情感投入：理解讲话者的情感和语气，这有助于在口语练习时注入更多生动的情感，从而更真实地表达观点。
通过这些方法，学习者将能够在肥胖这一主题上不仅增加知识，还能在英语口语练习中获得显著提升。使用影子跟读的方法可有效促进交流能力，帮助你自然流利地表达思想。
什么是跟读法？
跟读法 (Shadowing) 是一种有科学依据的语言学习技巧，最初开发用于专业口译员的培训，并由多语言者Alexander Arguelles博士普及。这个方法简单而强大：您在听英语母语原声的同时立即大声重复——就像是一个延迟1-2秒紧跟说话者的影子。与被动听力或语法练习不同，跟读法强迫您的大脑和口腔肌肉同时处理并模仿真实的讲话模式。研究表明它能显着提高发音准确性，语调，节奏，连读，听力理解和口语流利度——使其成为雅思口语备考和真实英语交流最有效的方法之一。