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1、科普知识与现代技术一、阅读理解（共20小题；共40分）A 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 id
2、ea 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
3、. 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 n
4、atural gas. This way, people know how they use their resources and are glad to help reduce waste. Santander in Spain also gives us a look at the future. If people point a phone toward a nearby bus stop, the phone immediately shows all bus lines that serve the stop as well as their arrival times. The
5、 government organized a research team and provided an App(应用程序) that collects data on almost everything: light, temperature, and the movements of cars and people. Opening the App near a supermarket provides immediate information on special offers. 1. According to the passage, which of the following
6、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 hasnt come into being. 2. The underlined word convenient is the closest in meaning to
7、.A. usefulB. normalC. suitableD. easy 3. Compared to traditional water meters, smart water meters do better in .A. cleaning waterB. supplying waterC. saving waterD. producing water 4. The example of Santander shows the use of smart systems in aspects(方面) EXCEPT .A. businessB. health careC. traffic c
8、ontrollingD. public transportation 5. Whats 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 buil
9、ding smart cities.B If your pen broke at school today, what would you do? You would go to a shop and buy a new one. What if you could simply print out a real, working pen with your 3-D printer without leaving your room? Ten years ago people could only see 3-D printing in science fiction movies. But
10、now 3-D printing is here and its bringing big changes. Unlike normal printing that can only copy a 2-D picture with ink. 3-D printing can build almost anything made from material. The printer layers(分层) the material in different shapes to create the object you want to be copied. The 3-D printer has
11、been used to make many different things. People have made cups, cars and even an airplane with it. Doctors have been using 3-D printers for several years. Peoples nervous systems have been printed out in 3-D form in medical research. Some body parts have been printed and used in hospital. Several mo
12、nths ago, doctors used a 3-D printer to rebuild the face of a person who had a bad accident. In the future, it is expected that the printer will make human organs to save more lives. However there are drawbacks to the printer. At the moment, printing can be quite slow and its still rather expensive.
13、 The average(平均的) price of a household printer is around $1,700, not including the cost of the materials. But as the technology develops, it shouldnt be long before disadvantages are improved. Only time will tell where this new technology will take us. 6. People could see 3-D printing in ten years a
14、go.A. large high schoolB. science fiction moviesC. digital camera shop 7. People still cant make a(n) with a 3-D printer so far.A. airplaneB. faceC. organ 8. What does the underlined word drawbacks mean?A. 不足B. 趋势C. 优点 9. Which of the following is TRUE?A. The normal printer can build 3-D objects you
15、 want.B. No nervous systems are printed out in 3-D form.C. The 3-D printing can be cheaper and faster in the future.10. Whats the best title of the passage?A. The Disadvantages of 3-D PrintingB. The Changes Brought by 3-D PrintingC. The Rapid Development of ScienceC Do you want to keep away from colds? You must say, Of course. Now, first, please put on a happy face. A new study shows that happy and relaxing people seem to fall ill less often than those unhappy people.
