仔细阅读短文，补上每个句子中所缺的词，使句意完整，语句连贯。
6. A ________ company would give tourists the ________ to spend an hour in space.
7. About 100 people are ________ to spend $100,000 for ________ on the C-21 plane.
8. Dennis Tito is the first ________ ________. He have paid $20 million for the eight-day trip in space.
9. A ________ and two ________ will be positioned on top of a carrier airplane.
10. C-21 will ________ back into the atmosphere and ________ like an ordinary plane.
C
Once a boy who wanted to fly covered his arms with feathers. He used wax to keep the feathers on. But he flew too close to the sun. The wax melted. The feathers came off. Down came the boy!
This is just a story. But it tells us that man has always dreamed of flying. In 1783, this dream came true. Two French brothers invented the hot-air balloon. It rose a thousand feet high.
It took almost 100 years for men to move from the hot-air balloon to the first airship. It was invented in the late 1900s. It was a powered balloon.
In North Carolina of America, less than twenty-five years later, the Wright Brothers flew the first airplane. This first flight, in 1903, lasted less than half a minute. It covered just a few feet.
根据短文内容，选择能回答所提问题的最佳答案。
11. Why did the boy come down from the sky? Because ________.
A. he covered his arms with feathers
B. he used wax to keep the feathers on
C. he flew too close to the sun
D. the wax melted and the feathers came off
12. Who invented the hot-air balloon?
A. Two French brothers. B. the Wright Brothers.
C. Benjamin Franklin. D. Einstein.
13.When was the first airship invented?
A. In the late 1900s. B. About 100 years ago.
C. A and B. D. Many years ago.
14. How about the first airplane?
A. The Wright Brothers invented the first airplane.
B. It flew less than half a minute and a few feet high.
C. This first flight was in 1903.
D. It was born in North Carolina of America.
【答案与解析】
1. D。根据E-books are electronic books. They are no larger than an ordinary book, with a screen on which you can read 可知答案为D。
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