任务型阅读。（每小题2分，共6分）

Once Goethe， the great German poet， was walking in a park. He was thinking about something when he noticed he came to a very， very narrow(窄) road. Just at that time， a young man came towards him from the other end of the road. It was too narrow for both of them to pass through at the same time. They stopped and looked at each other for a while. Then the young man said rudely， “I never make way for a fool. ” But Goethe smiled and said， “I always do. ” Then he turned back quickly and walked towards the end of the road.

小题1:Did the young man make way for Goethe？

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小题2:Where was Goethe walking？

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小题3:Who came towards Goethe from the other end of the road？

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已知：z₁、z₂是方程x²-4x+5=0的两个复数根，u=z₁+kz₂（k∈R），求|u|的最小值．