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