跟讀練習: RE3 Unit 7A - 通過影片學習英語口語

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Track 13, Reading 7a Powering the Planet Despite modern society's heavy dependence on fossil fuels for energy,

most people are aware that the supply of these fuels is finite.

As oil and other fossil fuels become more costly and difficult to find, researchers are looking at alternative energy sources,

including solar, wind, and even nuclear power.

But which substitute, if any, is the right one?

Solar.

Solar panels catch energy directly from the sun and convert it into electricity.

One of the world's largest solar power stations is in the Indian state of Tamil Nadu,

where more than 2 .5 million solar panels have the capacity to generate enough power for 750 ,000 people.

But unlike the burning of fossil fuels, the process used to create all that solar energy produces no emissions.

Today, however, solar power provides less than 2 % of the world's energy,

primarily because the cost of the panels is still very high.

But price is only one issue.

Clouds and darkness also cause solar panels to produce less energy.

This requires that additional power sources, such as batteries, be available.

Some scientists think the solution to this problem can be found in space, which is the ideal place to gather energy from the sun.

With no clouds and no night time, a space -based solar power station could operate constantly.

These stations would send the power back to Earth, which could then be turned into electricity for consumption.

Advocates of solar space stations say this technology would initially require a lot of money, but eventually, it could provide continuous,

clean energy that would be cheaper than other fuels.

Also, unlike other energy sources, solar power from space would last as long as the sun shines,

and would guarantee everyone on Earth all the energy they need.

Wind Wind, the fastest -growing alternative energy source, is another way of collecting energy from the sun.

Wind is caused by the sun's heat rather than its light.

Therefore, unlike solar power, wind power works well even on cloudy days.

All over the world, incentives designed to decrease the dependence on oil and coal have led to a steep increase in wind -powered energy.

Today, Asia leads the world in wind power, producing around 230 ,000 megawatts,

the equivalent of 230 large coal -powered plants.

Europe produces nearly 180 ,000 megawatts.

North America remains a distant third at 105 ,000.

Despite its successes, some people are protesting wind power development, saying the turbines are both noisy and ugly.

Just outside England's Lake District, a protected national park, a dozen existing wind towers are due to be removed.

This is a high -quality landscape, says one local homeowner.

They shouldn't be putting those things in here.

There are other challenges, too.

If the wind doesn't blow, the turbines are not able to produce adequate energy.

As a result, other power sources are needed.

In contrast, a strong wind can create too much power.

In cases like this, the energy company must sell the extra power at a much reduced rate, which is not good for business.

What's needed for both wind and solar is a way to store a large energy surplus.

However, most systems are still decades away from making this a reality.

On the plus side, both wind and solar power enable people to generate their own energy where they live.

People can have their own windmills or solar panels with batteries for calm days.

Nuclear In the 1970s, nuclear power was seen as the main energy alternative.

Nuclear power produces vast amounts of electricity more cheaply than gas or coal with no carbon emissions.

For a number of years in the 1980s and 90s, however, use of nuclear power declined due to accidents,

concerns about nuclear waste storage and disposal, and high construction costs.

Today, times are changing.

Worldwide, about 450 plants generate 11 % of the planet's electric power,

and some countries have invested heavily in nuclear energy.

France, for instance, gets three -quarters of its electricity from nuclear power, the highest percentage of any country.

China has started to build one or two new plants a year, and India has also begun to utilize nuclear energy on a

large scale however there are still concerns about the safety of

nuclear power as seen for example at the fukushima nuclear power

plant in japan the country had to close the nuclear reactors at fukushima

when the plant was hit by a tsunami

and as a consequence began releasing substantial amounts of radioactive materials many still believe however

that nuclear power is one of the future's greenest energy alternatives.

In the end, are any of these sources alone the answer to our current energy problems?

The short answer is no, but used in some combination, along with other power sources,

we may find ways to reduce and eventually eliminate our dependence on fossil fuels.

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Daily ConversationUniversity StudentsWorking Adults

本節課學習要點

通過本節課，你將練習聽懂關於替代能源的說明性內容，理解太陽能、風能和核能的工作原理、優勢及挑戰。同時，你還能學習如何用英語清晰表達複雜的科技概念，為影子跟讀（shadowspeaks）訓練打下基礎。

核心詞彙與短語

finite：有限的（如“fossil fuels are finite”，化石燃料是有限的）
emissions：排放物（如“no emissions”，零排放）
incentives：激勵措施（如“government incentives”，政府激勵）
turbines：渦輪機（風力發電的核心裝置）
nuclear waste：核廢料（核能的主要挑戰之一）

影子跟讀練習技巧

影片語速適中，適合進行影子跟讀（shadow speak）訓練。建議先逐句播放，模仿發音和語調，尤其注意數字和專業術語的讀法（如“2.5 million solar panels”）。遇到長句時，可拆分結構，關注意群停頓。練習時可使用影子跟讀網站（shadowing site），重複播放難點段落。通過持續訓練，不僅能提高英語發音，還能增強聽力理解能力。嘗試邊聽邊思考能源話題的邏輯，讓跟讀更有意義。

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	can be found · be turned · is caused
現在完成時 have/has + 過去分詞 — 過去發生但與現在仍有關聯的事	have led · have invested · has started
定語從句 who / which + 從句 — 補充說明人或事物	space, which is · rate, which is

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。

影子跟讀法: 閱讀完整分步指南 →

跟讀練習: RE3 Unit 7A - 通過影片學習英語口語

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