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Unit4 The next step课外阅读练习阅读文章，选择正确答案，回答问题。 In Kansas City, Missouri, a computer helps fire-fighters. The computer contains information about every one of the 350,000 street addresses in the city. When fire-fighters answer a call, the computer will give them important information about the burning building: its position, size, type and so on. In fact, the computer system has almost unlimited ways of helping fire-fighters with the problems facing them. For instance, it can give medical information about invalids(病残者) living in a burning building. With this information, the fire-fighters can take special care to find these sick persons and remove them quickly and safely. The Kansas City computer system also helps a medical record of each of the citys 900 fire-fighters. This kind of information is specially useful when a fireman is injured. With this medical information, doctors at the hospital can treat the injured fire-fighters more quickly and easily. The fire-fighters themselves greatly appreciate the computers help. They know about possible dangers ahead of them and can prepare for them. Many times the computer information helps to save lives and property(财产), sometimes the lives are those of fire-fighters themselves!1. Missouri is most likely the name of _.A. a well-known river in the United States of America B. a city famous for its fire-fighting computer systemC. one of the fifty states of America D. the head of the fire control information centers2. The computer can give _.A. both useful and useless information about the cityB. valuable information about every resident in that cityC. useful information about every street address in the cityD. lively description about each building on fire3. The computer center can _.A. give the firemen important help in almost every wayB. have limited ways of helping fire-fightersC. hardly give any useful information to the fire bridgeD. put out every fire automatically4. “Invalid” means a person who _.A. is badly burned or injuredB. gets seriously illC. had become very weak through illness or injury D. is helped out by fire-fighters5. If injured, the fireman will _.A. be treated immediately with the computers helpB. hardly get proper treatment with the help of the information given by the centerC. appreciate the computers help very muchD. ask doctor and nurses for help答案：1. C2. C3. A4. C5. A
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