题目内容：

Now Peter makes sure his team is a good team. He believes his team is a winning team. Why ? This thing that happened to him and his team can make you understand Peter’s thought.

That day Peter missed scoring a goal and his soccer team lost the game. He felt very sad and angry. He thought he had let his whole team down. He was worried that his coach might kick him off the team. After that he went home and went into his room silently. His father felt surprised and went into his room, he said to his son, “ Peter, I don’t know what happened. But whatever it was, don’t be too hard on yourself. Soccer is about team effort. You are not the only reason your team lost. If you have a good team, you should support each other.” Peter said nothing and thought carefully.

The next day, Peter went to soccer practice with courage. Peter talked to his classmates. He told them a good team should continue to pull together and win the next one. His teammates agreed on that and said, “Losing the game is never just one person’s fault.” Peter smiled. He realized that he was worried for no reason. He felt lucky to know that he was on a winning team.

1.Why did Peter feel sad and angry one day ?

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2.将文中划线句子翻译成汉语

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3.划线的”that” 指代什么___________________________________

4.给以上短文拟一个英文标题 ______________________________