问题
填空题
现有的市县防汛指挥决策支持系统都可通过（）平台，在地图上直观地体现各种汛情，及时为防汛指挥决策提供科学依据。
答案
参考答案：地理信息
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现有的市县防汛指挥决策支持系统都可通过（）平台，在地图上直观地体现各种汛情，及时为防汛指挥决策提供科学依据。
参考答案：地理信息
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| Mr. Green works in an office in Chicago. 1 Saturday, he went to the office to do some work. When he got on the elevator, it stopped between the 2 . Mr. Green could not get out of the elevator. He started to 3 , but no one 4 him. Then Mr. Green remembered that it was a holiday in America. No one was going to come to work 5 Tuesday. There was 6 for him to do. He had to wait. With nothing to eat 7 drink, Mr. Green slept for most of the time. Early Tuesday morning, his 8 came to work and found the elevator was not working. When the elevator was 9 , Mr. Green came out. He was cold, weak, and tired. He had been in the elevator for about sixty-four 10 ! Now Mr. Green says, "I will only use elevators if they have a telephone in them."
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