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  3. On July 1, 1859, four men, abundantly supplied with provisions, started on a trip by balloon from St. Louis to New York, at 7:30

On July 1, 1859, four men, abundantly supplied with provisions, started on a trip by balloon from St. Louis to New York, at 7:30

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问题     On July 1, 1859, four men, abundantly supplied with provisions, started on a trip by balloon from St. Louis to New York, at 7:30, in the presence of thousands of spectators, the cords that kept die balloon earthbound were cut, and witii considerable velocity it ascended to the height of three kilometers. Taking an easterly direction, it passed, in the course of the night and much of the next day, over Lake Eric and Niagaa Falls. As it neared Lake Ontario the balloon encountered a hurricane, lost its ascending power, and rapidly sank toward the water. The provisions and some of the passengers’ clothing were tossed overboard. The balloon finally reached the shore, having traveled for 80 kilometers Just above the surface of the water. Here they were dragged over trees, bills and rocks, their lives endangered every moment. No one of them ever expected to reach the ground alive.
    The whole distance traveled was 1920 kilometers, and the time taken to accomplish the journey was 19 hours averaging 1.6 km a minute.
    One of the passengers, Mr. Wise, is perfectly satisfied with the success of the experiment, and believes that the Atlantic Ocean can be crossed by balloon. It is bias intention to attempt such a voyage to England in the near future. Should he do so, there are few persons optimistic enough to believe he will succeed in his venture.
When the cords were cut the balloon______.
选项 A、went up slowly
B、went up rapidly
C、went down to the ground
D、did not move
答案B
解析 气球以"considerable velocity(相当大的速度)"升空。
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