内容正文:
Passage 1
A father and son went to the kite flying festival. The young son became very happy when seeing the sky filled with colorful kites. He asked his father to get him a kite and a thread (线) so he can fly a kite too. So, the father went to the shop at the park where the festival was being held. He bought a kite and a roll (卷) of thread for his son.
His son started to fly a kite. Soon, his kite reached high up in the sky. After a while, the son said, “Father, it seems that the thread is stopping a kite from flying higher, if we break it, it will be free and will go flying even higher. Can we break it?" So, the father cut the thread. The kite started to go a little higher. That made the son very happy.
But then, slowly, the kite started to come down. And, soon it fell down on the building. The young son was surprised to see this. He had cut the thread of the kite so it can fly higher, but instead, it fell down. He asked his father, “Father, thought that after cutting off the thre