1.A man goes out in heavy rain with nothing to protect him from it. His hair doesn t get wet.
　　How does he do that？
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　　2.A man on a flat soccer field kicked a soccer ball 40 feet away. The ball came back immediately at the same speed. No one else and no object have been involved. The ball didn t touch anything on its way. How did the man do that？
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　　3.What was the world s highest mountain before the discovery of Mount Everest？
　　Answer：
　　4.A pink girl with a pink dress， a pink hat lives in a pink bungalow （平房） with pink walls. What color are her stairs？
　　Answer：
　　5.You had 20 men build your house in two months. How long would it take 10 men to build the very same house？
　　Answer：
　　6.Maybe I can hear everything but you ll never hear me say a word. Who am I？
　　Answer：
　　7.A doctor gave you 3 pills， but you have to take a pill every half an hour. How long does it take you to use them all？
　　Answer：
　　8.A guy is driving down the road at 1：30， his headlights are off， there is no moon. There s a guy dressed all in black standing in the middle of the road， facing away from the car. The guy in the car swerves and doesn t hit the guy dressed all in black. How come？
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　　9.You have a basket with 20 apples. You have 20 hungry children. Every child should get an apple but one apple should remain in the basket. How do you do that？
　　Answer：
　　10.You have 2 apples in your hand and then you add another 4 apples in your hand. What do you have？
　　Answer：
　　（答案見第64页）