首页dolphindolphin考试真题

dolphin

英 ['dɒlfɪn] 美['dɑlfɪn]
  • n. 海豚
  • n. (Dolphin)人名;(英)多尔芬

考试真题


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.

出自-2012年6月听力原文

To find out if the female dolphin is cleverer than the male one

出自-2012年6月听力原文

Only one dolphin was able to see the light.

出自-2012年6月听力原文

The male dolphin received more rewards

出自-2012年6月听力原文

One of the most interesting experiments with dolphins must be one done by Doctor Jarvis Bastian.

出自-2012年6月听力原文

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

出自-2012年6月听力原文

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.

出自-2012年6月听力原文

If the light was kept steady, the dolphins were supposed to press the levers in reverse order

出自-2012年6月听力原文

In the second stage, Doctor Bastian separated the dolphins into two tanks.

出自-2012年6月听力原文

But in order to get their fish, both dolphins had to press the levers in the correct order

出自-2012年6月听力原文

Well, amazingly enough, the dolphins achieved a 100 % success rate.

出自-2012年6月听力原文

What were the dolphins supposed to do when they saw a steady light

出自-2012年6月听力原文

To test how responsive dolphins are to various signals.

出自-2012年6月听力原文

To see if dolphins can learn to communicate with each other

出自-2012年6月听力原文

To examine how long it takes dolphins to acquire a skill.

出自-2012年6月听力原文

Both dolphins were put in the same tank

出自-2012年6月听力原文