小题1:D
小题1:B
小题1:D
小题1:根据When he resurfaced, it was evident that the man was not out for gold – his arms were waving in an attempt at freestyle. The crowd started to laugh. Clearly this man was not a medal competitor.描述，可知这个人不能赢得金牌，故选D。
小题1:根据Finally he made his turn to start back. It was pitiful. He made a few desperate strokes and you could tell he was worn out.及下文描述，可知是这个年轻人的勇气让观众改变了态度，故选B。
小题1:这篇短文描述的是一个筋疲力尽的选手坚持比赛的故事，故选D，努力争取，加油。