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4.It is said that the leading role of the film is played by a (完全的) unknown.

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阅读理解。(30分)

   Have you noticed your life becoming a little easier? Now,when you go to a certain shopping mall,you can enjoy its free Wi-Fi there. When you want to take a taxi,you can book one with your phone. In fact,all these can be seen as the basic parts of a smart city.

   The idea of a smart city was brought up by US company IBM in 2010. Generally,a smart city is a city that uses digital technologies such as the Internet to improve city planning,save money and resources,and make our life convenient. How smart can a city be? Here are great examples that we can learn from.

   In 2009,Dubuque became the first smart city in the US. The city used smart water meters to take the place of traditional water meters. They can detect (探测) water waste and leakage (泄漏) and send data to let the house owner know. The same system is used for other city resources like electricity and natural gas. This way,people know how they use their resources and are glad to help reduce waste.

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() 1. According to the passage,which of the following is RIGHT?

     A.Digital technologies are used in smart cities.

     B.An English company first raised the idea of a smart city.

     C.A smart city is mainly made up of free Wi-Fi and phones.

     D.A smart city is still an idea and hasn’t come into being.

() 2. The underlined word “convenient” is the closest in meaning to        .

      A. useful   B. normal   C. suitable   D. easy

() 3. Compared to traditional water meters,smart water meters do better in        .

      A. cleaning water   B. supplying water   C. saving water   D. producing water

() 4. The example of Santander shows the use of smart systems in aspects (方面) EXCEPT      .

      A. business              B. health care

      C. traffic controlling   D. public transportation

() 5. What’s the main idea of the passage?

      A.Digital technologies help improve city planning.

      B.Smart cities will make our future life better and smarter.

      C.Smart cities are very common in both Dubuque and Santander.

      D.Spain and the US take the leading position in building smart cities.

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