跟讀練習: OBESITY (PODCAST) - IELTS TOPIC - 通過影片學習英語口語
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56 句
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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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本課概述
在本課中，學習者將通過分析與“肥胖”相關的話題來提高英語發音和口語能力。該內容基於一段討論肥胖成因及其健康影響的播客文字稿。學習者將會理解肥胖的定義、測量方法及可能的健康風險，並嘗試模擬播客中的表達方式，以此提高英語口語練習的能力。
關鍵詞彙與短語
- 肥胖 (obesity) - 指的是身體脂肪過多的狀態。
- 健康問題 (health problems) - 由於體重過重可能引發的健康風險。
- 身體成分 (body composition) - 體內脂肪、肌肉等的組成比例。
- 身體質量指數 (BMI) - 一種根據體重和身高計算出的體重健康標準。
- 肌肉質量 (muscle mass) - 與脂肪相比，肌肉的重量較大。
- 骨密度 (bone density) - 骨骼的密實程度，會影響體重。
- 影子跟讀 (shadowing) - 一種語音練習技巧，通過模仿聽到的內容提高發音。
- 發音 (pronunciation) - 正確讀出單詞和句子的能力。
練習技巧
為了在這段群體描述中更有效地進行英語影子跟讀，建議學習者遵循以下幾點：
- 速度控制：播客的語速可能較快，初次聽時可以適當調整速度，確保聽得清楚後再進行模仿。
- 注意語調：在模仿時，關注說話者的語調和節奏，努力將其融入自己的表達中，以自然的方式提高英語發音。
- 逐句練習：將長段落拆分成幾句逐一練習，重複多次以掌握每句的發音和語調。
- 錄音反饋：自己錄製跟讀的聲音，與原播客進行對比。這會幫助識別發音中的問題，並相應調整。
- 情感投入：理解講話者的情感和語氣，這有助於在口語練習時注入更多生動的情感，從而更真實地表達觀點。
通過這些方法，學習者將能夠在肥胖這一主題上不僅增加知識，還能在英語口語練習中獲得顯著提升。使用影子跟讀的方法可有效促進交流能力，幫助你自然流利地表達思想。
影片中的語法
說話人最常用的結構，並附上影片中的原話：
| 結構 | 影片中的用法 |
|---|---|
| 被動語態 be + 過去分詞 — 強調發生了什麼，而不是誰做的 | be considered · is usually thought · is needed |
| 定語從句 who / which + 從句 — 補充說明人或事物 | people who seem · those who have |
什麼是跟讀法？
跟讀法 (Shadowing) 是一種有科學依據的語言學習技巧，最初開發用於專業口譯員的培訓，並由多語言者Alexander Arguelles博士普及。這個方法簡單而強大：您在聽英語母語原聲的同時立即大聲重複——就像是一個延遲1-2秒緊跟說話者的影子。與被動聽力或語法練習不同，跟讀法強迫您的大腦和口腔肌肉同時處理並模模擬實的講話模式。研究表明它能顯著提高發音準確性，語調，節奏，連讀，聽力理解和口語流利度——使其成為雅思口語備考和真實英語交流最有效的方法之一。