跟读练习: 3 Reasons Why Nuclear Energy Is Awesome! 3/3 - 通过视频学习英语口语

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Three reasons why we should continue using nuclear energy.

1. Nuclear energy saves lives.

In 2013, a study conducted by NASA found that nuclear energy has prevented around 1 .8 million deaths.

Even if you include the death tolls from Chernobyl and Fukushima, nuclear energy ranks last in death per energy unit produced.

While nuclear waste is really toxic, it's usually stored somewhere while the toxic by -products of fossil fuels are pumped into the air we breathe every day.

So, just by reducing the amount of fossil fuels burned, countless cases of cancer or lung disease and accidents in coal mines have been avoided.

If we can choose between lots of dangerous stuff being put into a deep hole

and lots and lots and lots of dangerous stuff being pumped into the atmosphere, the former seems more logical.

Nuclear energy feels way more dangerous, though.

Single catastrophic events burn into our memory, while coal and oil kill silently.

It's like the death rate of flying versus driving.

Even in the best -case scenario, it would take at least 40 years to switch to 100 % renewable energy.

So, for as long as we continue using fossil fuels, nuclear energy will save way more lives than it destroys.

2. Nuclear energy reduces CO2 emissions

Nuclear energy is arguably way less harmful to the environment in terms of climate change than fossil fuels, our main source of energy.

Since 1976, about 64 gigatons of greenhouse gas emissions have not been pumped out thanks to nuclear energy.

And by the mid -21st century, that could amount to an additional 80 to 240 gigatons.

Humanity's energy consumption is rising steadily.

According to US government projections, China alone will add the equivalent of a new 600 megawatt coal plant every 10 days for the next 10 years.

China already burns 4 billion tons of coal each year.

Coal is cheap, relatively abundant, and easy to get to, so it's not likely that humanity will stop using it soon.

Nuclear energy might be the only way of dampening the effects of climate change and preventing a catastrophic man -made global warming.

Compared to the other things we do, nuclear energy is relatively clean.

So, even if it is a good idea to quit nuclear energy long -term, it might be a good solution for the next hundred years or so, compared to the alternatives.

3. New technologies Maybe technology will solve the problem of nuclear waste and dangerous power plants.

The nuclear reactors we've used so far are mostly outdated technology, because nuclear innovation stopped in the 1970s.

There are models like the thorium reactor that could solve the problem altogether.

Thorium is abundant, really hard to turn into nuclear weapons

and up to two orders of magnitude less wasteful than current nuclear reactors.

The waste material might also be only dangerous for a few hundred years, in contrast to a couple of thousand years.

One ton of thorium is estimated to provide the same amount of energy as 200 tons of uranium

or 3 .5 million tons of coal.

So while we cannot know for sure if alternative nuclear technology will keep its promises,

shouldn't we at least do more research before we forgo an opportunity to solve lots of humanity's current problems?

It might not be an easy challenge, but that hasn't stopped us before.

So, should we use nuclear energy?

There are risks involved in any great human endeavor, and we have to make an informed decision rather than rely on gut feeling.

If you want to hear the other side of the argument or a short introduction to nuclear energy, click here.

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本课的词汇与口语要点

这段视频共有 38 个句子、591 个单词可供跟读。讲话部分时长为 3:46。说话人语速自然，每分钟约 157 个词，接近日常对话。 83% 的单词属于英语最常用的 3,000 词，其余的词建议在练习前先学一下。

视频中的重点词汇

视频中 15 个值得学习的单词，附发音和释义：

单词	发音	释义
fossil 名词	/ˈfɑsl̩/	化石
solve 动词	/sɒlv/	解決 /解决
ton 名词	/tʌn/	噸 /吨, 公噸 /公吨
pump 名词	/pʌmp/	泵, 唧筒
reactor 名词	/ɹiˈæktɚ/	反應器 /反应器
compare 动词	/kəmˈpɛɚ/	比, 比較 /比较
toxic 形容词	/ˈtɒk.sɪk/	有毒的
abundant 形容词	/əˈbʌn.dənt/	豐富 /丰富
emission 名词	/ɪˈmɪʃ.ən/	排放
catastrophic 形容词	/ˌkætəˈstɹɑfɪk/	災難的 /灾难的, 災難性的 /灾难性的
atmosphere 名词	/ˈætməsˌfɪɹ/	大氣 /大气, 氣圈 /气圈
contrast 名词	/kənˈt(ʃ)ɹæst/	对比度
consumption 名词	/kənˈsʌmp.ʃən/	消費 /消费
humanity 名词	/hjuˈmænɪti/	人類 /人类
innovation 名词	/ˌɪn.əˈveɪ.ʃən/	革新, 創新 /创新

视频中的语法

说话人最常用的结构，并附上视频中的原话：

结构	视频中的用法
被动语态 be + 过去分词 — 强调发生了什么，而不是谁做的	are pumped · have been avoided · being put
现在完成时 have/has + 过去分词 — 过去发生但与现在仍有关联的事	has prevented · have been avoided · have not been pumped

需要注意的发音

说话人用了 3 次缩略和弱读形式，例如 hasn't, shouldn't, we've。请按听到的简短形式来说。

“th” 音: breathe /bɹiːð/, altogether /ɔl.tuˈɡɛð.ɚ/, thorium /ˈθɔːɹiəm/
“sh” 和 “zh” 音: emission /ɪˈmɪʃ.ən/, contrast /kənˈt(ʃ)ɹæst/, consumption /kənˈsʌmp.ʃən/, innovation /ˌɪn.əˈveɪ.ʃən/, projection /pɹəˈd͡ʒɛkʃən/
长单词——注意重音位置: catastrophic /ˌkætəˈstɹɑfɪk/, humanity /hjuˈmænɪti/, innovation /ˌɪn.əˈveɪ.ʃən/, altogether /ɔl.tuˈɡɛð.ɚ/, uranium /ˌjuː.ˈɹeɪ.ni.əm/

如何用这段视频练习

先完整听一遍视频，不要开口，记下不认识的单词。
先用 0.75 倍速逐句跟读，熟练之后再回到正常速度。
录下自己的声音并与原声对比，特别注意 fossil, solve, ton 这类单词。

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。

影子跟读法: 阅读完整分步指南 →

跟读练习: 3 Reasons Why Nuclear Energy Is Awesome! 3/3 - 通过视频学习英语口语

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