阅读理解
The Ugly Duckling(丑小鸭)
The mother duck had eight little yellow ducklings, but one of them was different from the others. They called him ugly duckling.
“You are an ugly duckling, ”the other ducklings said. “You don’t look like us. We don’t want to play with you. ”
“You have made fun of me since I was born, ”the poor duckling said sadly(难过地). “You have hurt(伤害)me for years! I don’t want to stay here any more. ”
So he left(离开)them and tried to find a happy place. Finally, he came to a lake. Many beautiful swans(天鹅)were there. The ugly duckling swam to them.
“Hello, little one. I’ve never seen you before. Where are you from? ”One of the swans saw him and asked.
“Hello, I came from a place far away. I walked a long way. Now I’m tired. Can I join you? ”
“Sure, you are welcome, my dear child, ”the swan answered.
“You’re just one of us! ”
The ugly duckling was very happy, but a little surprised. He looked at himself in the clear water. Instead of(代替)an ugly duckling, he saw a beautiful swan. It was himself!
He became the most beautiful swan of them all.
根据短文内容, 判断正误(T/F)。
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，得到两个数．想一想，它们的和可能有哪些？可能有15吗？为什么？