题目内容：

综合填空

Here is a story: A man sees a butterfly（蝴蝶）. The butterfly tries to get out of its chrysalis（蛹）. F1.sorry for it, the man decides to help. He cuts the chrysalis and the butterfly comes out e2.. Surprisingly enough, the butterfly is unable to fly. If the butterfly doesn't struggle（挣扎；奋斗）to leave the chrysalis, it can't fly！The struggle develops the e3. in the butterfly which makes it fly. Similarly, the challenges of life bring out the best in young people and make the fly.

When people are young, meeting and overcoming challenges will make them s4. and ready to face life.

When we look at successful people, we see that the most successful of them are people who have had to struggle.

One famous businessman, who now o5.many big supermarkets, used to carry clothes on his back and sell them from door to door when he was young. Another successful man is Dennis. His father died when he was only twenty. He had to b6.up a big family. He took up the challenges and overcame them. Today his brothers and sisters are leading s7. lives.

Sometimes challenges do not appear to us because we keep away from them. So. some parents and teachers actively encourage young people to face challenges. They might organize some a8.for young people which provide them with challenges, like rock—climbing, camping, volunteer work and so on. However, just passing exams will not prepare a person for life. We must meet and overcome challenges. The young people of today will become the leaders of t9.. For countries to continue to become successful, it is i10.that the young people learn to meet challenges and overcome them.