[考研类试卷]考研英语二(阅读)模拟试卷5及答案与解析.doc
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1、考研英语二(阅读)模拟试卷 5 及答案与解析Part ADirections: Read the following four texts. Answer the questions below each text by choosing A, B, C or D. (40 points)0 Next to snakes and crocs, Australians imagine sharks to be the countrys most dangerous creature. Tim Winton, an author, calls sharks “substitute for the
2、Devil“. Seven swimmers in three years have died from shark attacks in Mr Wintons home state of Western Australia. The states government, led by Colin Barnett, is now taking revenge.In late November a skilled surfer died from a shark attack. A week later a shark killed a 19-year-old in New South Wale
3、s. The tragedies fed public anxieties. Mr Barnett ordered no-go zones for sharks to be set up offshore, marked by lines of baited hooks. Any shark caught on them more than three metres long was to be shot. The first shark caught in this strategy was shot on January 26th. Mr Barnett says he has to “p
4、rotect the people of Western Australia“.But previously hostile popular attitudes towards sharks are shifting. Plenty of Western Australians, along with environmentalists and shark experts, deplore the new policy. In early January, at the height of the summer holiday season, more than 4,000 protester
5、s swamped Cottesloe Beach in Perth, with signs reading “Save Our Sharks“and “Science Not Slaughter“.Of Australias 180 or so shark species, only a few are dangerous to humans: chiefly, bull sharks, tiger sharks and great whites, which are protected under federal law. Their numbers have suffered from
6、the trade in shark fins for soup in Asia, which Australia and others have banned. Nonetheless, the federal government has given its conservative counterpart in Western Australia an exemption from protecting great whites under its “catch-and-kill“ policy.Despite the recent attacks, deaths from sharks
7、 are rarean average of just one person a year for the past half-century around Australias vast coastline, says the Australian Shark Attack File, a research outfit at Taronga Zoo in Sydney. By contrast, an average of 120 people drown each year off beaches and in harbours and rivers. There has been no
8、 fatal shark attack at Bondi beach in Sydney, Australias most popular strand, since 1929.1 Tim Winton calls sharks “substitute for the Devil“ because_.(A)they are as ugly as Devil(B) they have killed many victims(C) they are the most dangerous creature(D)they are more dangerous than snakes and crocs
9、2 Mr Barnetts policy includes_.(A)shooting any shark caught on no-go zones(B) setting up restricted areas offshore for swimmers(C) protecting his people from being killed by sharks(D)ensuring safety of both human beings and animals3 Many Australians attitude towards the new policy is_.(A)doubtful(B)
10、 supportive(C) ambiguous(D)opponent4 According to Paragraph 4, which one is true?(A)Great whites are protected in Western Australia.(B) Shark fin is a delicate course in both Asia and Australia.(C) Some dangerous shark species are protected by federal law.(D)The number of sharks in Australia is grow
11、ing in the past few years.5 We can infer from the last paragraph that_.(A)more people die from drowning every year than from sharks(B) there has not been any shark attack at Bondi beach since 1929(C) attacks from sharks are rare in the past five decades in Australia(D)incidents of shark attack often
12、 happen at the most popular beach5 When a search engine guesses what you want before you finish typing it, or helpfully ignores your bad spelling, that is the result of machine learning, a branch of artificial intelligence. Although AI has been through cycles of hype and disappointment before, big t
13、echnology companies have recently been scrambling to hire experts in the field, in the hope of building machines that can learn even more sophisticated tasks.IBM said this month it would invest $ 1 billion in a new division to develop uses for Watson, its computer that understands human language. Bu
14、t this week Google enhanced its lead in this field by paying around $ 660 m for DeepMind Technologies, a startup in London that has yet to announce a product. The boss of DeepMind, Demis Hassabis, previously created video games such as “ Evil Genius“ and “Theme Park“.DeepMinds 75 geniuses will join
15、the worlds leading group of machine-learning experts, which Google has been assembling in the past few years. Googles main source of income, its search engine and the accompanying ad-placement system, is driven by machine learning. The firms self-driving cars rely on it, as do the intelligent thermo
16、stats made by Nest, a firm it has just taken over, and the robots made by Boston Dynamics and other robotics outfits it has been buying.The technology is already the backbone of many other internet firms. It is why Facebook and Linkedln have that slightly creepy ability to find people you know, and
17、why Amazon and Netflix are good at suggesting books and films you might like. It also helps intelligence agencies to identify terrorist networks.As machine learning leaves the lab and goes into practice, it will threaten white-collar, knowledge-worker jobs just as machines, automation and assembly l
18、ines destroyed factory jobs in the 19th and 20th centuries. For example, the technique has been applied by researchers at Stanford University to tell whether a biopsy of breast cells is highly cancerous, something that until now has required a human expert to assess.Another of DeepMinds founders, Sh
19、ane Legg, has predicted that artificial intelligence running wildly will be the biggest existential risk to humans in this century. Its founders have asked Google to set up an “ethics board“ to consider the appropriate use of machine learning in its products. The creator of “Evil Genius“ is ensuring
20、 that his new overlord sticks to its motto, “Dont be evil“.6 The underlined word “hype“(Para 1, Line 3)may be closest to_.(A)confusion(B) surprise(C) excitement(D)despair7 DeepMind Technologies is_.(A)a giant like Google and IBM(B) a new company that develops video games(C) a leading technological c
21、ompany in America(D)a newly started firm that cooperates with Google8 Google has done the following EXCEPT_.(A)gathering talents on machine-learning(B) earning money from its search engine(C) purchasing large number of automatic devices(D)taking over firms like Nest and Boston Dynamics9 Technology c
22、ontributes to all EXCEPT_.(A)stealing into ones personal data(B) discovering peoples acquaintance(C) recommending good books and movies(D)confirming hacker attack for spy agencies10 Machine learning may be a threat to workers because_.(A)it will destroy all human jobs(B) it may lead to unemployment(
23、C) it can do better than workers and human experts(D)it can tell whether a biopsy of cells is cancerous10 If the worlds education systems have a common focus, it is to turn out school-leavers who are proficient in maths. Governments are impressed by evidence from the World Bank and others that bette
24、r maths results raises GDP and incomes. That, together with the soul-searching provoked by the cross-country PISA comparisons of 15-year-olds mathematical attainment produced by the OECD, a club of mostly rich countries, is prompting educators in many places to look afresh at what maths to teach, an
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