Students in university towns may also have access to another lever for involvement in accelerated math: math circles.
出自-2017年6月閱讀原文
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月聽(tīng)力原文
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
出自-2012年6月聽(tīng)力原文
Press the right-hand lever first.
出自-2012年6月聽(tīng)力原文
The lever was beyond the dolphins' reach
出自-2012年6月聽(tīng)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月聽(tīng)力原文
The levers were fitted to the side of the tank next to each other
出自-2012年6月聽(tīng)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月聽(tīng)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月聽(tīng)力原文
Next, the researchers trapped the robots in cages and gave the rats the opportunity to release them by pressing a lever.
2020年考研真題（英語(yǔ)二）閱讀理解 Section Ⅱ
Planning documents pledged that the great legacy of the Games would be to lever a nation of sport lovers away from their couches.