تدريب Shadowing: RE3 Unit 7A - تعلم التحدث بالإنجليزية عبر الفيديو
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Track 13, Reading 7a Powering the Planet Despite modern society's heavy dependence on fossil fuels for energy,
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most people are aware that the supply of these fuels is finite.
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As oil and other fossil fuels become more costly and difficult to find, researchers are looking at alternative energy sources,
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including solar, wind, and even nuclear power.
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But which substitute, if any, is the right one?
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Solar.
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Solar panels catch energy directly from the sun and convert it into electricity.
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One of the world's largest solar power stations is in the Indian state of Tamil Nadu,
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where more than 2 .5 million solar panels have the capacity to generate enough power for 750 ,000 people.
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But unlike the burning of fossil fuels, the process used to create all that solar energy produces no emissions.
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Today, however, solar power provides less than 2 % of the world's energy,
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primarily because the cost of the panels is still very high.
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But price is only one issue.
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Clouds and darkness also cause solar panels to produce less energy.
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This requires that additional power sources, such as batteries, be available.
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Some scientists think the solution to this problem can be found in space, which is the ideal place to gather energy from the sun.
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With no clouds and no night time, a space -based solar power station could operate constantly.
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These stations would send the power back to Earth, which could then be turned into electricity for consumption.
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Advocates of solar space stations say this technology would initially require a lot of money, but eventually, it could provide continuous,
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clean energy that would be cheaper than other fuels.
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Also, unlike other energy sources, solar power from space would last as long as the sun shines,
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and would guarantee everyone on Earth all the energy they need.
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Wind Wind, the fastest -growing alternative energy source, is another way of collecting energy from the sun.
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Wind is caused by the sun's heat rather than its light.
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Therefore, unlike solar power, wind power works well even on cloudy days.
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All over the world, incentives designed to decrease the dependence on oil and coal have led to a steep increase in wind -powered energy.
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Today, Asia leads the world in wind power, producing around 230 ,000 megawatts,
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the equivalent of 230 large coal -powered plants.
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Europe produces nearly 180 ,000 megawatts.
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North America remains a distant third at 105 ,000.
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Despite its successes, some people are protesting wind power development, saying the turbines are both noisy and ugly.
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Just outside England's Lake District, a protected national park, a dozen existing wind towers are due to be removed.
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This is a high -quality landscape, says one local homeowner.
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They shouldn't be putting those things in here.
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There are other challenges, too.
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If the wind doesn't blow, the turbines are not able to produce adequate energy.
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As a result, other power sources are needed.
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In contrast, a strong wind can create too much power.
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In cases like this, the energy company must sell the extra power at a much reduced rate, which is not good for business.
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What's needed for both wind and solar is a way to store a large energy surplus.
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However, most systems are still decades away from making this a reality.
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On the plus side, both wind and solar power enable people to generate their own energy where they live.
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People can have their own windmills or solar panels with batteries for calm days.
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Nuclear In the 1970s, nuclear power was seen as the main energy alternative.
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Nuclear power produces vast amounts of electricity more cheaply than gas or coal with no carbon emissions.
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For a number of years in the 1980s and 90s, however, use of nuclear power declined due to accidents,
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concerns about nuclear waste storage and disposal, and high construction costs.
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Today, times are changing.
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Worldwide, about 450 plants generate 11 % of the planet's electric power,
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and some countries have invested heavily in nuclear energy.
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France, for instance, gets three -quarters of its electricity from nuclear power, the highest percentage of any country.
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China has started to build one or two new plants a year, and India has also begun to utilize nuclear energy on a
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large scale however there are still concerns about the safety of
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nuclear power as seen for example at the fukushima nuclear power
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plant in japan the country had to close the nuclear reactors at fukushima
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when the plant was hit by a tsunami
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and as a consequence began releasing substantial amounts of radioactive materials many still believe however
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that nuclear power is one of the future's greenest energy alternatives.
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In the end, are any of these sources alone the answer to our current energy problems?
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The short answer is no, but used in some combination, along with other power sources,
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we may find ways to reduce and eventually eliminate our dependence on fossil fuels.
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الانطباعات الأولى
عند مشاهدة الفيديو، من الواضح أن المحتوى يتناول موضوع الطاقة البديلة بشكل جذاب. هذا النوع من المحتوى يعد مادة جيدة لممارسة المحادثة الإنجليزية لأنه يجمع بين المعلومات المفيدة واللغة التقنية بشكل بسيط. الحديث عن مصادر الطاقة مثل الشمس والرياح يفتح الأبواب لنقاشات مثيرة حول البيئة والمستقبل، مما يجعلها موضوعات شائعة وملائمة للمحادثة.
تفكيك الجمل
لنأخذ بعض الجمل من الفيديو ونحلل لماذا تبدو طبيعية. على سبيل المثال، عندما يقول المتحدث: “الطاقة الشمسية توفر أقل من 2% من الطاقة العالمية”، نلاحظ استخدام الأرقام بشكل فعّال. هذا يجعل المعلومات أكثر مصداقية وقوة. كما أن استخدام الفعل المضارع “توفر” يعطي إحساسًا بالاستمرارية، مما يُشجع المستمعين على التفكير في الوضع الحالي للطاقة. جملة أخرى: “النوافذ قد تكون ضوضائية وغير جميلة” تتضمن وصفًا شخصيًا، مما يسمح للمتحدث بالتواصل بشكل أفضل مع الجمهور. هذه العناصر تجعل اللغة المستخدمة في الفيديو طبيعية وسهلة التكرار.
روتين الممارسة
لتحسين النطق باللغة الإنجليزية، يمكنك اتباع روتين بسيط يعتمد على ممارسة المحادثة الإنجليزية. قم بتشغيل الفيديو وكرر الجمل بعد المتحدث. يمكنك استخدام تقنية shadow speech، حيث تحاكي كل ما يقوله المتحدث في الوقت نفسه. هذا سيساعدك على تحسين النطق والإيقاع. على سبيل المثال، يمكنك البدء بجملة واحدة مثل: “الطاقة من الشمس يمكن أن تكون مصدرًا نظيفًا وفعالًا”. قم بتكرارها عدة مرات حتى تشعر بالراحة في نطقها. ثم انتقل إلى جملة أخرى مثل: “الرياح تُعتبر مصدر طاقة متزايد”. استمر في هذا الروتين مع عدة جمل من الفيديو للحصول على تجربة غنية تساهم في تعزيز مهاراتك في اللغة الإنجليزية.
القواعد في هذا الفيديو
أكثر التراكيب التي يستخدمها المتحدث، مع العبارات نفسها من الفيديو:
| التركيب | في الفيديو |
|---|---|
| المبني للمجهول be + اسم المفعول — التركيز على ما يحدث لا على من يفعله | can be found · be turned · is caused |
| المضارع التام have/has + اسم المفعول — حدث ماضٍ ما زال له أثر الآن | have led · have invested · has started |
| جمل الوصل who / which + جملة — معلومة إضافية عن شخص أو شيء | space, which is · rate, which is |
ما هي تقنية التظليل الصوتي؟
التظليل الصوتي (Shadowing) تقنية تعلم لغة مدعومة علمياً، طُورت أصلاً لتدريب المترجمين الفوريين المحترفين. الطريقة بسيطة لكنها قوية: تستمع لصوت إنجليزي أصلي وتكرره فوراً بصوت عالٍ — كظل يتبع المتحدث بتأخير 1-2 ثانية. تُظهر الأبحاث تحسناً كبيراً في دقة النطق والتنغيم والإيقاع وربط الأصوات والاستماع والطلاقة.