A man sees a butterfly（蝴蝶）．The butterfly tries to get out of its chrysalis（蛹）． So the man decides to help． He cuts the chrysalis and the butterfly comes out （1）　　． To his surprise， the butterfly is unable to fly． If the butterfly doesn' t struggle（挣扎；奋斗） to get out of the chrysalis， it can't （2）　　！ The struggle develops the energy in the butterfly which makes it fly．Similarly， the challenges （挑战）of life bring out the best in young people and prepare the（3）　　 to fly．

     When people are young， meeting and overcoming challenges will make them strong and ready to （4）　　 life． If we look at successful people， we will find that the more challenges they have had， the more（5）　　 they are． One famous man， who now owns many big factories， used to sell socks from door to door when he was young． （6）　　 successful man is Eric． He set up a College（7）　　 the age of 30． His father died when he was only 16． As the oldest child in the family， he worked in the day and studied in the night． His father's death forced him to （8）　　 fast．He took up the challenges and overcame them． Today， not only he himself，（9）　　 also his brothers and sisters are leading successful lives．

     Some parents and teachers actively（10）　　young people to face challenges． It is important for them to learn to meet challenges and overcome them．

（1）A．easily	B． silently	C． bravely	D． suddenly
（2）A．stand	B．run	C． fly	D． jump
（3）A．method	B． ability	C． situation	D． luck
（4）A．sense	B． like	C． believe	D． face
（5）A．successful	B． excited	C． dangerous	D． careful
（6）A．Other	B． Another	C． Others	D． The other
（7）A．on	B． by	C． at	D． in
（8）A．get up	B． set up	C． give up	D． grow up
（9）A．but	B． or	C． so	D． and
（10）A．experience	B． provide	C． encourage	D． promise