跟读练习: RE3 Unit 6A - 通过视频学习英语口语

track 11 reading 6a the world's favorite drug it's 1 45 a .m

and 21 year old thomas murphy is burning the midnight oil

studying for an important engineering exam he has it too in the afternoon later today to stay awake

and alert he's had two cups of coffee in the last three hours

and is now downing a popular energy drink one

that has two to three times the amount of caffeine as

a similar sized can of soda many students like murphy as well as marathon runners airline pilots

and long -distance travelers owe their energy to one of humankind's oldest stimulants

caffeine the power to counter physical fatigue

and increase alertness is part of the reason caffeine ranks as

the world's most popular mood -altering drug it is found not only in sodas energy drinks, coffee and tea, but in diet pills,

pain relievers like aspirin and chocolate bars.

Many societies around the world have also created entire rituals around the use of caffeine.

For example, there's the cafe culture of France, the tea ceremony in Japan and the morning cup of coffee

or tea that marks the start of the day in many cultures.

Caffeine is present in many of the foods and drinks we consume, but is it good for us?

Charles Seisler, a scientist and sleep expert at Harvard Medical School, believes that caffeine causes us to lose sleep, which he says is unhealthy.

Without adequate sleep, the typical eight hours, the human body will not function at its best, physically, mentally or emotionally.

Too often, Seisler says, we consume caffeine to stay awake, which later makes it impossible for us to get the rest we need.

Health risks have also been tied to caffeine consumption Over the years,

studies have attributed higher rates of certain types of cancer and bone disease to caffeine consumption To date,

however, there is no proof that caffeine actually causes these diseases A number of scientists,

including Roland Griffiths, a professor at the Johns Hopkins School of Medicine in the United States believe

that regular caffeine use causes physical dependence heavy caffeine uses Griffith

says exhibit similar behaviors for example their moods fluctuate from high to low they get mild to severe headaches

or they feel tired or sad when they can't have a caffeinated drink to minimize

or stop these feelings users must consume caffeine a behavior Griffith

says is characteristic of drug addiction despite these concerns the general opinion in the scientific community is

that caffeine is not dangerous when consumed in moderation this means having one

or two small cups of coffee about 300 milligrams of caffeine

per day for example furthermore a lot of current research contradicts long -held negative beliefs about caffeine

and suggests that it may in fact have health benefits for instance studies have shown

that caffeine can help ease muscle pain because it is a stimulant caffeine can also help improve one's mood.

Research has also shown that some caffeinated drinks, specifically certain teas, have disease fighting chemicals that can help the body fight a number of illnesses,

including certain types of cancer.

In addition, as a type of mental stimulant, caffeine increases alertness, memory and reaction speed.

Because it fights fatigue, it facilitates performance on tasks like driving, flying and solving simple math problems.

And while it is true that caffeine can increase blood pressure The effect is usually temporary

and therefore not likely to cause heart trouble This is especially true if caffeine is consumed in moderation Moreover,

despite its nearly universal use, caffeine has rarely been abused With caffeine, overuse tends to stop itself,

says Jack Bergman, a specialist at Harvard Medical School If you consume too much, you get uncomfortable and you don't want to continue.

Caffeine's behavioural effects are real, but most often mild.

Getting that burst of energy, of course, is why many of the world's most popular drinks contain caffeine.

Whether it's a student drinking coffee before class or a business person enjoying tea with lunch,

humankind's favourite stimulant is at work every day, all over the world.

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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: RE3 Unit 6A - 通过视频学习英语口语

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关于本课

什么是跟读法？