题型：阅读选择 题类：模拟题 难易度：普通
广东省深圳市2021年中考模拟测试题
Here is a story: A man sees a butterfly (蝴蝶).The butterfly tries to get out of its chrysalis (蛹). Feeling sorry for it, the man decides to help. He cuts the chrysalis and the butterfly comes out easily. 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 energy 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 strong 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 owns 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. His father's death forced him to mature fast. He had to bring up a family of nine people. He took up the challenges and overcame them. Today his brothers and sisters are leading successful 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 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 challenges. The young people of today will become the leaders of tomorrow. For countries to continue to become successful, it is important that the young people learn to meet challenges and overcome them.
Here is some cool information about the world's population（人口) .
| It took 12 years for the world's population to grow from 7 billion to2022's 8 billion. But it will take about 15 years for the population to reach 9billion. That's because fewer babies are born now. In 50 years, this can slow the growth of the world's population. |
| The day on which the world's population grows by one billion is important. The United Nations chooses a baby born on that day as the symbolic (象征的) baby. For example, the world's population reached 8billion on November 15,2022. Vinice Mabansag was born on that day and she became the symbolic 8 billionth baby. |
| More boys than girls are born around the world. There are 106 baby boys born for every 100 baby girls. There are 1. 8 billion people between the ages of 10 and 24. That's the largest number ever (有史以来). |
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