| 發表者 | 討論主題：SWPhykdFHnIKKypQ | ||
| Blake | 8/8/2014 7:41:47 PM [瞻p穢j]•[穡瓣瞼礎]•[繚s礎?聶瞻瞼竄] | 
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| Get a job pay to do my paper In the researchers璽?? experiments, two buckets were placed before an elephant, with one containing food. An experimenter pointed at the bucket with food in it, and the researchers watched to see which bucket the elephant approached first. The perceptive pachyderms tended to follow the experimenter璽??s pointing arm to the food reward. | |||