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1、2016年12月四级真题（第2套）College English Test Band Four PartListening ComprehensionSection A Directions: In this section, you will hear three news reports. At the end of each news report, you will hear two or three questions. Both the news report and the questions will be spoken only once. After you hear a
2、question, you must choose the best answer from the four choices marked A), B), C) and D). Then mark the corresponding letter on Answer Sheet 1 with a single line through the centre.News Report OneNew York State plans to shut off the thundering waters of Niagara Fallsgain. At least, the American side
3、 of the falls. This once in a lifetime event actually may take place twice in some folks lives. The New York State parks system wants to turn off the falls on the American side sometime in the next two to three years to replace two 115-year-old stone bridges that allow pedestrians, park vehicles and
4、 utilities access to Goat Island. The American side of the falls were shut off in 1969 to study the buildup of rock at the base of the falls. When that happened, people came from all over the world to see the falls turned off. People are curious by nature. They want to see whats underneath. In fact,
5、 those who first came to have a look did see something. They found millions of coins on the bottom.Questions 1 and 2 are based on the news report you have just heard.1. Why does New York State want to turn off Niagara Falls?2. What did people find when Niagara Falls were shut off in 1969?News Report
6、 TwoThe Tunisian government said Monday that 45 people have been killed after gunmen attacked a town near the border with Libya. The Interior and Defense ministries said that the Tunisian government has closed its two border crossings with Libya because of the attack. The Tunisian military has sent
7、reinforcements and helicopters to the area, and authorities have been hunting several attackers who were still at large. The violence came amid increasing international concern about Islamic State extremists in Libya. Officials of the Tunisian government are especially worried after dozens of touris
8、ts were killed in the attacks in Tunisia last year. Defense Minister Farhat Horchani said last week that German and American security experts were expected to come to help Tunisia devise a new electronic video supervision system on its border with Libya. Tunisia was targeted last year by three attac
9、ks that left 70 people dead and were claimed by Islamic State. Questions 3 and 4 are based on the news report you have just heard.3. What did the Tunisian government do after the gunmens attack?4. What were German and American security experts expected to do in Tunisia?News Report ThreeThree univers
10、ity students in Santiago, Chile, have developed a plant-powered device to charge their mobile phones. The three engineering students got the idea for the device while sitting in their schools courtyard. Their invention is a small biological circuit they call E-Kaia. 05:02.76It captures the energy wh
11、ich plants produce during photosynthesisa process of converting sunlight into energy. A plant uses only a small part of the energy produced by that process. The rest goes into the soil. E-Kaia collects that energy. The device plugs into the ground and then into a mobile phone. The E-Kaia solved two
12、problems for the engineering students. They needed an idea for a class project. They also needed an outlet to plug in their phones. One of the student inventors, Camila Rupcich, says the device changes the energy released from the plant into low-level power to charge phones. The E-Kaia is able to fu
13、lly recharge a mobile phone in less than two hours.Questions 5 to 7 are based on the news report you have just heard.5. What did the three university students invent?6. When did they get the idea for the invention?7. What does the speaker say about the invention?Section B Directions: In this section
14、, you will hear two long conversations. At the end of each conversation, you will hear four questions. Both the conversation and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D). Then mark the correspond
15、ing letter on Answer Sheet 1 with a single line through the centre.Conversation OneM: Good morning. What can I do for you?W: Good morning. Could I talk to Jeffry Harding please? M: Speaking.W: Hello, Jeff. Its Helen. I got your message on the answering machine. Whats the problem?M: Oh, Helen. Well,
16、its the Grimsby plant again, Im afraid. The robots on Line 3 have gone wrong. And the line is at a standstill.W: Cant you replace them with the stand-ins?M: Im afraid not. The stand-ins are already in use on Line 6. And the ones from Line 6 are being serviced.W: When did this happen, Jeff?M: Well, theyve been making a low continuous sound for a day or two. But they finally went dead at 2:30 this afternoon.W:
