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发布时间:2024-07-31 00:34:31

[填空题]The island "Celtic" identity was invented in the 18th century.


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[填空题]The island "Celtic" identity was invented in the 18th century.
[填空题]The telegraph was invented
[填空题]Staten Island
[单项选择]
Passage One
Jeans were invented a little over a century ago and are currently the world’s most popular, versatile garment, crossing boundaries of class, age and nationality. From their origins as pure workwear, they have spread through every level of the fashion spectrum, and are embraced internationally for their unmatched comfort and appeal.
In the mid 1940s, the Second World War came to an end, and denim blue jeans, previously worn almost exclusively as workwear, gained a new status in the U. S. and Europe. Rugged but relaxed, they stood for freedom and a bright future. Sported by both men and women, by returning GI’s and sharp teenagers, they seemed as clean and strong as the people who chose to wear them. In Europe, surplus Levi’s were left behind by American armed forces and were available in limited supplies. It was the European
A. soldiers
B. workmen
C. teenagers
D. cowboys
[单项选择]Hainan Island is ( ) largest island of China.
A. first
B. second
C. the first
D. the second
[单项选择]

Until men invented ways of staying underwater for more than a few minutes, the wonders of the world below the surface of the sea were almost unknown. The main problem, of course, lies in air. How could air be supplied to swimmers below the surface of the sea Pictures made about 2,900 years ago in Asia show men swimming under the surface with air bags tied to their bodies. A pipe from the bag carried air into the swimmer’s mouth. But little progress was achieved in the invention of diving devices until about 1490, when the famous Italian painter, Leonardo da Vinci, designed a complete diving suit.
In 1680, an Italian professor invented a large air bag with a glass window to be worn over the diver’s head. To "clean" the air a breathing pipe went from the air bag, through another bag to remove moisture, and then again to the large air bag. The plan did not work, but it gave later inventors the idea of moving air around in diving devices.
In 1819
A. an Italian professor invented a large air bag.
B. men invented the best diving devices.
C. an Italian painter designed a complete diving suit.
D. an air bag.

[填空题]

When was the first bicycle invented The first bicycle was invented{{U}} {{/U}}.

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