Here is a story: A man sees a butterfly（蝴蝶）. The butterfly tries to 1 its chrysalis （Feeling sorry for it, the man decides to help. He cuts the chrysalis and the butterfly comes out蛹）.
2 . Surprisingly enough, the butterfly is 3 to fly. If the butterfly doesn't struggle（挣扎；奋斗） to leave the chrysalis, it can't fly! The struggle develops the 4 in the butterfly which makes it fly. Similarly, the challenges of life bring out the best energy in young people and make the fly.
When people are 5, meeting and overcoming challenges will make them strong and ready to face life bravely in the rest of their life. When we look at 6 people, we see that the most successful of them are people who have had to struggle. One famous 7, who now owns many big supermarkets, used to carry clothes on his back and 8 them from door to door to make money when he was young. Another successful man is Dennis. His father died 9 he was only twenty. His 10 death forced him to grow up fast. For he was the 11 of the children, he had to bring up a family of 12 people – his mother and seven younger brothers and sisters all depended 13 him. He took up the challenges and overcame 14. Today his brothers and sisters are leading successful lives.
Sometimes challenges do not appear to us because we 15 from them. So some parents and teachers actively encourage young people to face challenges. They might organize some activities 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 real challenges.
