1.What was the scream used for in the beginning?
A Frightening the enemies.
B Sharing the different acoustic DNA.
C Attracting the volunteers.
D Understanding the emotional evolution.
解析:选A。推理判断题。根据文章第一段第二句Screams likely originally functioned to startle attacking predators可以得知尖叫声最初是用来吓跑敌人的,故选A。
2.What was the aim of Jay Schwartz’s research?
A To understand where people would scream.
B To understand why people would scream.
C To understand how people judged the scream.
D To understand what was the best scream.
解析:选C。推理判断题。根据文章第二段We did not provide any type of definition for a scream because we were trying to get at what is it in people’s minds that distinguishes a scream可以得知研究者想知道那些志愿者评判噪音的标准是什么,故选C。
3.What did the screams have in common?
A Higher pitch.
B A peaceful mind.
C Natural sources.
D Different functions.
解析:选A。细节理解题。根据文章第三段第二句People were more likely to consider a sound a scream if it was higher in pitch可以得知那些音高很高的声音都会被认为成尖叫,故选A。
4.Why was the whistle considered a scream by most listeners?
A It had the smoother tone.
B It showed some roughness.
C It made listeners satisfied.
D It did great harm to people.
解析:选B。细节理解题。根据文章最后一段It was because the whistle exhibited a lot of the acoustic qualities that we found to be associated with a scream, including high pitch and roughness可以得知口哨中的粗糙的声音让听者认为成尖叫声,故选B。