1、s job to help change that. As the Kennedy Centres artistic adviser for jazz, Moran hopes to widen the audience for jazz, make the music more accessible, and preserve its history and culture.“Jazz seems like its not really a part of the American appetite，” Moran tells National Public Radios reporter
2、Neal Conan. “What Im hoping to accomplish is that my generation and younger start to reconsider and understand that jazz is not black and white anymore. Its actually colour, and its actually digital.”Moran says one of the problems with jazz today is that the entertainment aspect of the music has bee
3、n lost. “The music cant be presented today the way it was in 1908 or 1958. It has to continue to move, because the way the world works is not the same，” says Moran.Last year, Moran worked on a project that arranged Fats Wallers music for a dance party, “just to kind of put it back in the mind that W
4、aller is dance music as much as it is concert music，” says Moran. “For me, its the recontextualization. In music, where does the emotion（情感） lie? Are we, as humans, gaining any insight（感悟） on how to talk about ourselves and how something as abstract as a Charlie Parker record gets us into a dialogue
5、 about our emotions and our thoughts? Sometimes we lose sight that the music has a wider context，” says Moran, “so I want to continue those dialogues. Those are the things I want to foster.”28Why did UNESCO set April 30 as International Jazz Day?ATo remember the birth of jazz.BTo protect cultural di
6、versity.CTo encourage people to study music.DTo recognize the value of jazz.29What does the underlined word “that” in Paragraph 3 refer to?AJazz becoming more accessible.BThe production of jazz growing faster.CJazz being less popular with the young.DThe jazz audience becoming larger. 30What can we i
7、nfer about Morans opinion on jazz?AIt will disappear gradually.BIt remains black and white.CIt should keep up with the times.DIt changes every 50 years.31Which of the following can be the best title for the text?AExploring the future of jazzBThe rise and fall of jazzCThe story of a jazz musicianDCel
8、ebrating the Jazz Day2017全国卷DWhen a leafy plant is under attack，it doesnt sit quietly. Back in 1983，two scientists，Jack Schultz and Ian Baldwin，reported that young maple trees getting bitten by insects send out a particular smell that neighbouring plants can get. These chemicals come from the injure
9、d parts of the plant and seem to be an alarm. What the plants pump through the air is a mixture of chemicals known as volatile organic compounds，VOCs for short.Scientists have found that all kinds of plants give out VOCs when being attacked. Its a plants way of crying out. But is anyone listening？Ap
10、parently. Because we can watch the neighbours react.Some plants pump out smelly chemicals to keep insects away. But others do double duty. They pump out perfumes designed to attract different insects who are natural enemies to the attackers. Once they arrive, the tables are turned. The attacker who
11、was lunching now becomes lunch.In study after study，it appears that these chemical conversations help the neighbours. The damage is usually more serious on the first plant，but the neighbours，relatively speaking，stay safer because they heard the alarm and knew what to do.Does this mean that plants ta
12、lk to each other? Scientists dont know. Maybe the first plant just made a cry of pain or was sending a message to its own branches, and so, in effect, was talking to itself. Perhaps the neighbours just happened to “overhear” the cry. So information was exchanged, but it wasnt a true, intentional bac
13、k and forth.Charles Darwin, over 150 years ago, imagined a world far busier, noisier and more intimate （亲密的） than the world we can see and hear. Our senses are weak. Theres a whole lot going on.32What does a plant do when it is under attack? AIt makes noises. BIt gets help from other plants.CIt stan
14、ds quietly. DIt sends out certain chemicals.33What does the author mean by “the tables are turned” in Paragraph 3?AThe attackers get attacked.BThe insects gather under the table.CThe plants get ready to fight back.DThe perfumes attract natural enemies.34Scientists find from their studies that plants
15、 can _Apredict natural disasters Bprotect themselves against insectsCtalk to one another intentionally Dhelp their neighbours when necessary35What can we infer from the last paragraph?AThe world is changing faster than ever.BPeople have stronger senses than before.CThe world is more complex than it
16、seems.DPeople in Darwins time were more imaginative.全国卷After years of heated debate, grey wolves were reintroduced to Yellowstone National Park. Fourteen wolves were caught in Canada and transported to the park. By last year, the Yellowstone wolf population had grown to more than 170 wolves.Grey wol
17、ves once were seen here and there in the Yellowstone area and much of the continental United States, but they were gradually displaced by human development. By the 1920s, wolves had practically disappeared from the Yellowstone area. They went farther north into the deep forests of Canada, where ther
18、e were fewer humans around.The disappearance of the wolves had many unexpected results. Deer and elk populationsmajor food sources （来源） for the wolfgrew rapidly. These animals consumed large amounts of vegetation （植被）, which reduced plant diversity in the park. In the absence of wolves, coyote popul
19、ations also grew quickly. The coyotes killed a large percentage of the parks red foxes, and completely drove away the parks beavers.As early as 1966，biologists asked the government to consider reintroducing wolves to Yellowstone Park. They hoped that wolves would be able to control the elk and coyot
20、e problems. Many farmers opposed the plan because they feared that wolves would kill their farm animals or pets.The government spent nearly 30 years coming up with a plan to reintroduce the wolves. The US Fish and Wildlife Service carefully monitors and manages the wolf packs in Yellowstone. Today，t
21、he debate continues over how well the grey wolf is fitting in at Yellowstone. Elk，deer，and coyote populations are down，while beavers and red foxes have made a comeback. The Yellowstone wolf project has been a valuable experiment to help biologists decide whether to reintroduce wolves to other parts
22、of the country as well.28What is the text mainly about?AWildlife research in the United States.BPlant diversity in the Yellowstone area.CThe conflict between farmers and grey wolves.DThe reintroduction of wolves to Yellowstone Park.29What does the underlined word “displaced” in Paragraph 2 mean?ATes
23、ted. BSeparated. CForced out. DTracked down.30What did the disappearance of grey wolves bring about?ADamage to local ecology. BA decline in the parks income.CPreservation of vegetation. DAn increase in the variety of animals.31What is the authors attitude towards the Yellowstone wolf project?ADoubtf
24、ul. BPositive. CDisapproving. DUncaring.江苏卷A new commodity brings about a highly profitable，fastgrowing industry，urging antitrust （反垄断） regulators to step in to check those who control its flow. A century ago, the resource in question was oil. Now similar concerns are being raised by the giants （巨头）
25、 that deal in data, the oil of the digital age. The most valuable firms are Google，Amazon, Facebook and Microsoft. All look unstoppable.Such situations have led to calls for the tech giants to be broken up. But size alone is not a crime. The giants success has benefited consumers. Few want to live w
26、ithout search engines or a quick delivery. Far from charging consumers high prices, many of these services are free （users pay, in effect, by handing over yet more data）. And the appearance of newborn giants suggests that newcomers can make waves, too.But there is cause for concern. The Internet has
27、 made data abundant, allpresent and far more valuable, changing the nature of data and competition. Google initially used the data collected from users to target advertising better. But recently it has discovered that data can be turned into new services: translation and visual recognition, to be so
28、ld to other companies. Internet companies control of data gives them enormous power. So they have a “Gods eye view” of activities in their own markets and beyond.This nature of data makes the antitrust measures of the past less useful. Breaking up firms like Google into five small ones would not sto
29、p remaking themselves: in time, one of them would become great again. A rethink is requiredand as a new approach starts to become apparent, two ideas stand out.The first is that antitrust authorities need to move from the industrial age into the 21st century. When considering a merger （兼并），for examp
30、le, they have traditionally used size to determine when to step in. They now need to take into account the extent of firms data assets （资产） when assessing the impact of deals. The purchase price could also be a signal that an established company is buying a newborn threat. When this takes place, especially when a newborn company has no revenue to speak of, the regulators should raise r
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