2. 外语
  3. In Kansas, Missouri, a computer helps fire-fighters. The computer contains【C1】______about every one of the 350 000 street addres

In Kansas, Missouri, a computer helps fire-fighters. The computer contains【C1】______about every one of the 350 000 street addres

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问题     In Kansas, Missouri, a computer helps fire-fighters. The computer contains【C1】______about every one of the 350 000 street addresses in the city. When a fire-fighter answers a call, the computer gives him important information about the【C2】______building. The computer can give the【C3】______of the building and its size, type and content.
    In fact, the computer system has almost unlimited ways of helping fire-fighters with their problems. For example, it can give【C4】______information about invalids living in a burning building. With this information the firefighters can take special care to find these sick persons and remove them quickly and【C5】______.
    The Kansas City Computer System also contains a medical【C6】______of each of the city’s 900 firefighters. This kind of information is【C7】______useful when a firefighter is injured. With this medical information doctors of a hospital can treat the injured fire-fighter more quickly and easily. The fire-fighters themselves greatly【C8】______the computer help. They know about possible dangers ahead【C9】______them and can prepare for them. Many times the computer information helps to save life and property, sometimes the lives are【C10】______of the fire-fighters themselves.
【C9】
选项 A、before
B、of
C、to
D、on
答案B
解析 本题考查短语的掌握情况。四个选项中，只有B项of能与ahead搭配，意为“在……前”。
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