No one knows when the first kite was made. The first record of a kite was more than 2,000 years ago in China. Han Xin, the leader of an army, wanted to kill a king. He decided to dig a tunnel(隊道) into the king's palace. He flew a kite over the wall of the palace to make sure the length (長度) of its string (線). In this way, he could determine how long the tunnel should be. His men in the tunnel took the kite string with them. When they reached the end of the string, they knew to dig up.

Japanese began to fly kites hundreds of years ago. In the 1700s, people flew kites in autumn to give thanks for a good harvest. They were also used to give good wishes to parents who had their first son. Today in Japan, people fly kites to celebrate something, such as the beginning of a new year. And kite festivals are held each year in many parts of the country.

Kites have been used for scientific purposes(目的) in the western world．In 1752，Benjamin Franklin tied a key to a kite and flew it in a storm to find out that lightening was a form of electricity. In the 1890s, Lawrence Hargrave invented the box kite to test ideas about flight. From 1898 to 1933, the United States Weather Bureau (氣象局) used box kites to collect weather information. The Wright brothers also experimented(試驗) with kites. What they learnt helped them make the first airplane flight in 1903.

1.Why did Han Xin want to dig a tunnel?

A. To kill an important person.

B. To get away from the palace.

C. To search for the king's treasure.

D. To find out the length of the kite string.

2.What does the underlined word "determine" in Paragraph 1 probably mean in Chinese?

A. 測定 B. 選擇 C. 偽裝 D. 考察

3.One of the purposes of flying kites in Japan is _____.

A. to give thanks for a good harvest in summer

B. to express good wishes to the first-born daughter

C. to celebrate the beginning of a new year

D. to hold kite festivals all over the country

4.What would be the best title for the article?

A. The History of Kites B. An Amazing Kite

C. How to Fly a Kite D. The First Record of a Kite

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