首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
A、Swim straight into the same tank. B、Produce the appropriate sound. C、Raise their heads above the water. D、Press the right-hand
A、Swim straight into the same tank. B、Produce the appropriate sound. C、Raise their heads above the water. D、Press the right-hand
admin
2018-01-28
209
问题
W: One of the most interesting experiments with dolphins must be one done by Doctor Jarvis Bastian. [1] What he tried to do was to teach a male dolphin called Bass and a female called Doris to communicate with each other across a solid barrier.
M: So how did he do it exactly?
W: Well, first of all, he kept the two dolphins together in the same tank and taught them to press levers whenever they saw a light. The levers were fitted to the side of the tank next to each other. [2]If the light flashed on and off several times, the dolphins were supposed to press the left-hand lever followed by the right-hand one. If the light was kept steady, the dolphins were supposed to press the levers in reverse order. Whenever they responded correctly, they were rewarded with fish.
M: Sounds terribly complicated.
W: Well, that was the first stage. In the second stage, Doctor Bastian separated the dolphins into two tanks. They could still hear one another, but they couldn’t actually see each other. [3]The levers and light were set up in exactly the same way except that this time it was only Doris who could see the light indicating which lever to press first. [4]But in order to get their fish, both dolphins had to press the levers in the correct order. This meant, of course, that Doris had to tell Bass whether it was a flashing light or whether it was a steady light.
M: So did it work?
W: Well, amazingly enough, the dolphins achieved a 100% success rate.
1. What is the purpose of Doctor Jarvis Bastion’s experiment?
2. What were the dolphins supposed to do when they saw a steady light?
3. How did the second stage of the experiment differ from the first stage?
4. What should the dolphins do to get rewarded?
选项
A、Swim straight into the same tank.
B、Produce the appropriate sound.
C、Raise their heads above the water.
D、Press the right-hand lever first.
答案
D
解析
转载请注明原文地址:https://kaotiyun.com/show/JbT7777K
0
大学英语六级
相关试题推荐
IfoursolarsystemhasaHell,it’sVenus.Theairischokedwithfoulandcorrosivesulfur,heavedfromancientvolcanoesand
Memoryappearstobestoredinseveralpartsofthelimbic(边缘的)systemofthebrain,andanyconditionthatinterfereswiththef
IsitanywonderthatAmericaisalsoacountryofdangerouslyoverweightpeople?AccordingtoarecentstudybytheNationa
IsitanywonderthatAmericaisalsoacountryofdangerouslyoverweightpeople?AccordingtoarecentstudybytheNationa
A、Theywereindividuallyhand-crafted.B、Theywereproducedbymachinesinlargeamounts.C、TheywereinGothicstyle.D、Theyar
A、Onlymotherscantakethepaidparentalleave.B、Noparentalleavecanbetakenafterthechildis8.C、Onlyfamiliesoftwow
Everyotherweekitseemsanewstudycomesoutthataddstoouralready-formidablestoreofparentalworries.Butevenbythose
Everyotherweekitseemsanewstudycomesoutthataddstoouralready-formidablestoreofparentalworries.Butevenbythose
Everyotherweekitseemsanewstudycomesoutthataddstoouralready-formidablestoreofparentalworries.Butevenbythose
随机试题
珠光体型耐热钢焊件在焊接过程中,只能产生热裂纹,不会产生再热裂纹。
典型的金本位制形式是()
吉姆长胖了很多,以至于他的很多衣服都穿不了了。
A.心肌收缩期泵功能障碍B.血压升高,左心室肥厚C.心室间隔非对称性肥厚D.内膜心肌纤维化,心室舒张功能受损肥厚型心肌病
关于不同年龄组WBC生理变化的叙述错误的是
局部麻醉不包括
人身保险与储蓄作为两种投资有()的本质差别
国家赔偿以()为主要方式。
“中书随地有,翰林满街走,监纪多如羊,职方贱如狗。荫起千年尘,拨贡一呈首。”这首民谣反映了中国古代卖官鬻爵的场景,发生在()时期。
急性感染性心内膜炎的瓣膜赘生物中,不具有的成分是
最新回复
(
0
)