精选优质文档-倾情为你奉上21世纪大学英语读写教程复习资料Unit61. 人们发现科学家能通过观察四岁孩童对一粒果汁软糖的反应看到他们的未来。研究者请孩子们一个个地走进一间没有装饰的房间，然后便开始他这种温柔的折磨。你现在就可以吃这粒果汁软糖，他说。但是如果你在我出去办点事的时候等着，就可以在我回来时得到两粒果汁软糖。然后他就走开了。It turns out that a scientist can see the future by watching four-year-olds interact with a marshmallow. The researcher invites the children, one by one, into a plain room and begins the gentle torment. You can have this marshmallow right now, he says. But if you wait while I run an errand, you can have two marshmallow
