摘要： 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。Fireworks may seem like a very American tradition, 61 (especial) on the 4th of July. But fir
Fireworks may seem like a very American tradition, 61 (especial) on the 4th of July. But fireworks go back many years before the first American Independence Day celebration, which took place in 1777, in Philadelphia, Pennsylvania.
The 62 (early) Fireworks can date back to around 2,000 years ago in China. People then 63 (say) to have roasted bamboo stalks (茎). The stalks turned black and made sounds. The air inside the hollow (空的) stalks would explode. Baozhu is a Mandarin Chinese word 64 firecracker. It means “exploding bamboo.”
Years later Chinese chemists took fireworks a step further. This 65 (happen) sometime between 600 and 900 A D . People filled bamboo with gunpowder. They threw it into a fire. Steel dust or iron shavings were added 66 (make) them sparkle (冒火花). In China, these firecrackers were often used in 67 (tradition) celebrations.
In the 13th century, fireworks spread to Europe. In the centuries that followed, 68 (European) started moving to North America. So it was no surprise that when July 4th began to be celebrated as America’s Independence Day，fireworks 69 were invented by Chinese people witnessed 70 great moment as part of the plan.
Today, fireworks are an established July 4th tradition. Will you see a fireworks display this Independence Day?
【答案】61. especially 62. earliest 63. were said 64. for 65. happened
66. to make 67. traditional 68. Europeans 69. that/which 70. the
