阅读下列短文，从每篇短文后所给各题的四个选项(a、b、c和d)中，选出最佳选项，并在答题卡上将该项涂黑。 a children have their own rules in playing games. they seldom need a referee (裁判) and rarely take trouble to keep scores. they don’t care much about who wins or loses, and it doesn’t seem to worry them if the game is not finished. yet, they like games that depend a lot on luck, so that their
