[解析]
(1)答案:C.推理判断题.从文章第二段的第二句A survey found that those who as four﹣year﹣olds had enough self﹣control to hold out generally grew up to be more popular,adventurous,confident and dependable可知自控能力在人的成功方面起着重要的作用.推出答案为C.推理判断题.从文章第二段的第二句A survey found that those who as four﹣year﹣olds had enough self﹣control to hold out generally grew up to be more popular,adventurous,confident and dependable可知自控能力在人的成功方面起着重要的作用.故选C.
(2)答案:D.词义猜测题.从画线词所在句后面的内容"困难可打倒意志不坚定的人"可猜 测出"upbeat"是"乐观的"的意思.故选D.
(3)答案:C.写作意图题.文章第一段提到给四岁的孩子糖果得到不同的反应,说明自控力和成功的关联,也就是引出下文的情商的话题.故选C.