句间停顿:
  • 1S
  • 3S
  • 5S
语速: x 1.0
  • 速度0.8X
  • 速度1.0X
  • 速度1.2X
  • 速度1.5X
  • 速度1.8X
  • 速度2X
始终显示原文
欢迎使用 KMF 精听精研
坚持练习精听,反复听、吃透每个句子,能够快速 提升听力能力
开始精听
或按 「 空格」开始播放

段落1

This is Scientific American's 60-Second Health. I'm Katherine Harmon. Got a minute?

点击显示原文

隐藏原文=

When it comes to providing pain relief, expectations can be a powerful prescription.

点击显示原文

隐藏原文=

That's part of the theory behind the placebo effect, in which people often report feeling better, even after a sugar pill or sham procedure, simply because they expect improvement.

点击显示原文

隐藏原文=

Now a study finds that there may be levels of placebo effect.

点击显示原文

隐藏原文=

Forty-five healthy volunteers had a heating electrode placed on their skin to cause discomfort.

点击显示原文

隐藏原文=

Over multiple sessions, they were either given nothing, or Tylenol, or needle-free acupuncture or electro-acupuncture, in which the needles carry a slight current.

点击显示原文

隐藏原文=

Painkillers should let them tolerate the heat longer.

点击显示原文

隐藏原文=

The hitch was that the Tylenol and needle-free conventional acupuncture were fakes.

点击显示原文

隐藏原文=

The subjects were later interviewed about their expectations.

点击显示原文

隐藏原文=

And their feelings about each treatment largely determined its effect.

点击显示原文

隐藏原文=

Those who thought the acupuncture would work were more likely to report pain reduction from both the real and fake acu-treatments.

点击显示原文

隐藏原文=

The findings are in the journal PLoS ONE.

点击显示原文

隐藏原文=

They suggest a variable placebo effect, that may depend on whether you swallow that sugar pill with a grain of salt.

点击显示原文

隐藏原文=

Thanks for the minute, for Scientific American's 60-Second Health. I'm Katherine Harmon.

点击显示原文

隐藏原文=
[ < 空格 > ]
当前句 /
/
  • 段落1
  • 第 1 句
  • 第 2 句
  • 第 3 句
  • 第 4 句
  • 第 5 句
  • 第 6 句
  • 第 7 句
  • 第 8 句
  • 第 9 句
  • 第 10 句
  • 第 11 句
  • 第 12 句
  • 第 13 句
  • 第 14 句

+ 创建收藏夹
保存 取消