跟读练习: RE2 Unit 9B - 通过视频学习英语口语

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Track 18.

Reading 9b.

Seeing Double.

Many scientists once believed that physical similarities between identical twins are genetic,

while their personalities, intelligence, and other differences between them are an effect of their environment.

But scientists are now discovering that the boundaries between genetics and environment are not so clear after all.

The Jim twins.

Identical twins, Jim Springer and Jim Lewis, were adopted as babies and raised by different couples.

When the two Jims finally met at age 39, they discovered they had plenty in common.

Both were 182 centimeters tall and weighed 82 kilograms.

They had the same smile and the same voice.

When psychologist Thomas Bouchard Jr. invited the gym twins to his lab, his colleagues found it very hard to tell them apart.

But the similarities didn't stop at the physical.

They had both had dogs named Toy.

They had both married women named Linda and then divorced them.

They had both been sheriffs, enjoyed making things with wood,

suffered severe headaches, and admitted to leaving love notes around the house for their wives.

They had so much in common that it seemed unlikely these were just coincidences.

Genetics and Intelligence The Jim twins were just one of 137 sets of separated twins Bouchard tested.

When they compared the twins' IQ scores, Bouchard and his team reached a surprising conclusion.

They concluded that intelligence was mostly connected to genetics rather than to training or education.

It seemed the differences in family and environment had little effect.

However, genes can't control everything, argues geneticist Danielle Reed, who also studies twins.

Reed's research shows that though nothing can truly change our DNA,

environmental differences that a child experiences before birth and in their first year can sometimes affect the way the DNA behaves.

This can make even identical twins into vastly different people.

What I like to say is that

Mother Nature writes some things in pencil and some things in pen.

She explains, things

Things written in pen you can't change.

That's DNA.

But things written in pencil you can.

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RE3 Unit 4A

Daily ConversationUniversity Students

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本课的词汇与口语要点

视频中反复出现的词有：twins, Jim, genetic, Bouchard, identical。这段视频共有 32 个句子、337 个单词可供跟读。讲话部分时长为 2:54。说话人语速平稳，每分钟约 116 个词，很适合跟读。只有 79% 的单词属于英语最常用的 3,000 词，词汇难度较高。

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
twin 名词	/twɪn/	雙胞胎 /双胞胎, 雙生子 /双生子
identical 形容词	/ɪˈdɛntɪkl̩/	相同, 同一
genetics 名词	/dʒəˈnɛt.ɪks/	遺傳學 /遗传学
discover 动词	/dɪˈskʌvə/	發現 /发现, 發覺 /发觉
scientist 名词	/ˈsaɪəntəst/	科學家 /科学家
pencil 名词	/ˈpɛnsəl/	鉛筆 /铅笔
similarity 名词	/ˌsɪm.ɪˈlæɹ.ɪ.ti/	相似, 類似 /类似
argue 动词	/ˈɑɹ.ɡju/	辯論 /辩论, 爭辯 /争辩
compare 动词	/kəmˈpɛɚ/	比, 比較 /比较
suffer 动词	/ˈsʌfɚ/	受苦, 遭受
conclusion 名词	/kənˈkluːʒən/	結束 /结束
connect 动词	/kəˈnɛkt/	連接 /连接
divorce 名词	/dɪˈvɔːs/	離婚 /离婚
gene 名词	/d͡ʒiːn/	基因
unlikely 形容词	/ʌnˈlaɪkli/	不可能的

需要注意的发音

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

“sh” 和 “zh” 音: conclusion /kənˈkluːʒən/, sheriff /ˈʃɛɹɪf/
长单词——注意重音位置: similarity /ˌsɪm.ɪˈlæɹ.ɪ.ti/, coincidence /kəʊˈɪnsɪdəns/, psychologist /ˌsaɪˈkɑl.ə.d͡ʒɪst/, geneticist /d͡ʒəˈnɛt.ɪ.sɪst/

中文母语者容易读错的音：

/v/ — 不要读成 /w/，上齿轻触下唇: discover /dɪˈskʌvə/, divorce /dɪˈvɔːs/, invite /ɪnˈvaɪt/, behave /bɪˈheɪv/, vastly /ˈvæstli/
词尾辅音 — 要读清楚，后面不要加元音: genetics /dʒəˈnɛt.ɪks/, scientist /ˈsaɪəntəst/, connect /kəˈnɛkt/, divorce /dɪˈvɔːs/, genetic /d͡ʒəˈnɛt.ɪk/
/r/ 和 /l/ 的区别: similarity /ˌsɪm.ɪˈlæɹ.ɪ.ti/, kilogram /ˈkɪləɡɹæm/

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。
用正常速度逐句跟读，每句重复到你的节奏与说话人一致为止。
录下自己的声音并与原声对比，特别注意 twin, identical, genetics 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: RE2 Unit 9B - 通过视频学习英语口语

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本课的词汇与口语要点

视频中的重点词汇

需要注意的发音

如何用这段视频练习

什么是跟读法？