When kids in parts of the world want to play, they often make soccer balls out of trash tied together with string. “ 48 the areas used for playing fields are often rough and rocky, millions of real balls go flat (变瘪) 49 24 hours,” says Tim Jahnigen, a California businessman. Determined to solve this problem, 50 created an indestructible ball called the One World Futbol.
The ball is made of 51 special material, ethylene-vinyl acetate foam. It’s lightweight, it’s flexible, and— 52 important—it holds its shape.
The One World Futbol needs no pump 53 won’t wear out, even on rough surfaces. When tested, 54 withstood (经受住) being crushed by a car, and even being chewed on by a lion.
Although it costs more to produce 55 a typical soccer ball, Jahnigen estimates the One World Futbol can last 30 years. So far, it’s been given to kids in 143 countries. (154 words)
Jonny：Hey! I'm just practicing Tai Chi(太极). Would you like to join me?
Peter：I know nothing about it. Is it difficult?
Jonny：It seems easy, but you need a lot of practice. You just follow me like this.
Peter：OK. Don't laugh 1 me. I may look funny.
Jonny：Bend your knees slightly and reach out your arms like tree branches, naturally and 2 (soft). Try to keep your body straight. Move slowly, then be sure to keep your balance and don't let your body shake.
Peter：I cannot control my body well. My legs become 3 (pain).
Jonny：Keep 4 (hold) your position for a while. It helps develop your strength and flexibility. Raise your leg and let 5 stay in the air for seconds.
Peter：I feel my legs shaking. I cannot do this any longer.
Jonny：Be patient! Tai Chi 6 (call) “shadow boxing" in English. It asks you to act like water: to be flexible as well 7 strong. In real competition, a Tai Chi master borrows the strength of the competitor and uses this energy to fight back. The 8 (hard) you try to beat him, the more likely you will get hit. He controls you!
Peter：Unbelievable! Oh..., 9 you don't mind, I'll stop and take a deep 10 .