Retell lecture新题高频：小狗能够辨别不同含义叫声的实验。
真题原文：
when this dog approaches some food，another dogs playful snarls are played back the dog seems curious but the sound doesn’t stop it from taking the bone，here a dog hears the growls of a dog being approached by a stranger but these don’t deter it from grabbing the bone either. In another scenario the sound of a dog protecting its food is played back this time the dog backs off these experiments suggest the dogs can distinguish between different types of growls.
参考答案：
The lecture talks about an experiment conducted to study dogs’ reactions when they hear different growls.
When one dog tries to approach the food, the researcher plays different growls of dogs.
In some occasions, the dog would take the food when hearing playful growls, but in another scenario they back off when hearing the sound of another dog protecting its food.
In conclusion, the experiment indicates that dogs can tell from different growls and show different reactions.
本文的视频素材请访问我们的网站wenbo.tv喔。
这篇Retell Lecture的文章选自New Scientist，培生的题库里面真的非常青睐New Scientist里面的文章、实验等素材作为Retell Lecture或者是SST的听力素材来源，建议大家课下可以多看一下New Scientist的文章和视频，都十分接近考试难度。
New Scientist官网：https://www.newscientist.com/
New Scientist Youtube频道：https://www.youtube.com/channel/UCt5OA3LingpZBeEyPYmputQ
PS：4月4号开班的一三五白班还有少量名额喔
