PTE听力口语练习-科学60秒-Diet Soda

PTE考生目前最大的问题之一就是练习题缺乏。除了有限的基本官方书(PLUS,Testbuilder, OG)之外,就没有题了。很多英语基础不是很扎实的同学很难找到练习材料。墨尔本文波雅思PTE培训学校专门为墨尔本,悉尼PTE考生准备了适合PTE听力阅读练习的科学60秒。各位PTE同学可以练习PTE听力中的summarise spoken text和PTE口语中的retell lecture,PTE听力口语-科学60秒-Frosty Moss练习记笔记技巧和复述。废话少说,下面开始:


60秒科学:Diet Soda Mixers Up Breathalyzer Readings

听力内容:

60秒科学节目(SSS)是科学美国人网站的一套广播栏目,英文名称:Scientific American – 60 Second Science,节目内容以科学报道为主,节目仅一分钟的时间,主要对当今的科学技术新发展作以简明、通俗的介绍,对于科学的发展如何影响人们的生活环境、健康状况及科学技术,提供了大量简明易懂的阐释。

Diet soda may help or hinder attempts to lose weight. But it definitely can get you drunker. Because a drink made from alcohol and a diet mixer boosts breathalyzer readings higher than the same drink with a sugary mixer. The finding is in the journal Alcoholism: Clinical & Experimental Research. [Cecile A. Marczinski and Amy L. Stamates, Artificial sweeteners versus regular mixers increase breath alcohol concentrations in male and female social drinkers]

For the study, 16 casual drinkers knocked back one of three drinks: vodka mixed with sugary soda, vodka mixed with sugar-free soda, or a placebo. Over three different sessions, each participant got each drink. After the drink, the subjects were given breathalyzer tests and reaction time measurements. Participants also did a self-assessment where they estimated their own drunkenness, tiredness and willingness to drive.

When both men and women drank vodka with the diet mixer, their breath alcohol levels were on average 18 percent higher than when they consumed the alcohol with full-calorie soda. And their reaction times were slower.

Although a diet mixer impaired the subjects more, they rated themselves as not being any drunker. So if you’re watching your weight, watch out for what you drink.

—Sophie Bushwick

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