题型：阅读选择 题类：真题 难易度：普通
根据短文理解，完成下列各题。
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.
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 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.
How much do you know about the following bridges in China? All of them are worth a visit. Follow me and learn more about them.
Wuhan Yangtze River Bridge | It is a famous bridge across the Yangtze River. The workers began to build it in September, 1955. It was completed in October, 1957. It's a double-deck (双层的) bridge. |
Nanjing Yangtze River Bridge | It's also a double-deck bridge. The upper (上层的) road is as long as 4, 589 meters. The lower railway is 6, 772 meters long. Two trains can cross the bridge in two different directions at the same time. |
Siduhe Bridge | It lies in Hubei Province, connecting Yichang City with Enshi City. It is the second-highest bridge in the world. The workers began to build it in 2004. The whole bridge is 1, 100 meters long. |
The First Beipan River Bridge | As the highest bridge in the world, it connects Yunnan Province and Guizhou Province. The building project lasted about 3 years. People began to use it at the end of December, 2016. It is as long as 1, 341. 4 meters. It's regarded (认为) as a bridge above the clouds. |
Our teacher did a survey about what his students did during the summer holidays in class, and here are their answers to the questions.
For my summer holiday I went to a summer camp. At the summer camp I made a lot of new friends and tried some new sports like wake boarding, rock climbing and kayaking. It was the best summer of my life. —Effia |
I spend time with my cousins Emily and Diego. One day we went to an amusement park and rode the big roller coaster five times. We watched films and ate pizza together. I love my cousins so much! —Sofia |
During the summer holidays I went on holiday with my family to Greece. We flew in an aeroplane for three hours and stayed at a big hotel for half a month. The hotel was so fun! I ate lots of delicious Greek food. I can't wait to go on holiday again! —Petru |
I stayed with my grandma for the summer holiday. She lives near the beach so I spent lots of time swimming in the ocean. It was really fun to spend time with my grandma, but I missed my parents and my friends. —Sareena |
My goal during the summer holiday was to watch as many films as possible. In total, I watched thirty films, I watched all of my favorite action heroes and space movies. I don't like romance movies. My mom said that I spent too much time indoors (室内) but I don't care. —Hao |
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