Sport Balloons

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问题 Sport Balloons

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答案 Sport Balloons Balloons have been used for sport for about one hundred years. /There are two kinds of sport balloons: gas and hot air. /Hot air balloons are safer than gas balloons, /which may catch fire. /Hot air balloons are preferred by most balloonists in the United States because of their safety. /They are also cheaper and easier to manage than gas balloons. /Despite the ease of operating a balloon, /pilots must watch the weather carefully. /Sport balloon flights are best early in the morning or late in the afternoon, /when the wind is light. /Over the years, balloonists have tried unsuccessfully to cross the Atlantic. /It wasn’t until 1978 that three American balloonists succeeded. /It took them just six days to make the trip /from their homes in the United States to Paris, France. /Their voyage captured the imagination of the whole world.

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