哪位英语高手帮忙做下下面的完型填空````有追加``
题目
哪位英语高手帮忙做下下面的完型填空````有追加``
On Dec.17,1903,Orville Wright,an American,flew safely in a heavier-than-air machine for 12 seconds.He and his brother Wilbour had made a lot of(1)___and had taken immense trouble to study the(2)___of flying in gliders before they attempted to fly their aeroplane.Orville came down(3)___after the first short flight,and on the same day his experiment was (4)___three times.The longest of these flights(5)___a distance of 852 feet and lasted 59 seconds.The machine which was used had an engine(6)___only sixteen horse-power but the aeroplane(7)___a speed of 35 miles an hour.The two brothers continued their experiments after their first success,and in 1908 Wilbur gave some exhibitions(8)___flying in France which astonished all who saw them.
The Wright brothers(9)___the foundation of modern flying.Soon other followed in their(10)___Louis Bleriot,a Frenchman,flew(11)___the English Channel from Calais to Dover in1909.Prizes were offered for the Wright from one pl
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我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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