英语四级阅读理解全真模拟题(101-128).pdf
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1、Passage 4On Thursday American Airlines and US Airwaysannounced an alliance to pool their frequent-flier programs,giving customers added incentives to fly one anothers skies.Then on Friday Delta and United delivered word of asort-of-but-not-quite coupling.These deals thrust themuch-scrutinized airlin
2、e industry even more into the publicspotlight.Airline profits are at record highs.Business faresare climbing into the stratosphere,up 16 percent last yearalone.Now comes the consolidation sweeping the industry.The question is whether these deals will mean more choiceand more convenience,as the airli
3、nes argue,or lesscompetition or even higher prices.Clearly consumers can benefit from these tie-ups.Passengers flying American or US Airways,for instance,cannow use either carriers network of 72 worldwide clubs andlounges.They can combine their frequent-flier awards,allowing them not only to build u
4、p redeemable miles morequickly but also cash them in to more destinations.American can plug into US Airways deeper web ofconnections up and down the Eastern Seaboard;USAirways,with fewer routes to South America,the Caribbeariand Europe,will be able to offer a greater array ofinternational flights.In
5、 time,American and US Airwayshope to create the more ambitious partnership-aso-called code-sharing agreement that would allow the twocarriers to coordinate flight schedules without entering afull-fledged merger.The goal is seamless service-without having to change airlines.Price is a wild card in th
6、ese alliances.Consumer groupsworry that they will reduce competition,translating in turninto higher fares.They could be right.Given the rapid trendtoward consolidation,many analysts foresee a day whenmost major hub airports will be dominated by a singleairline or consortium.A report last year by the
7、 GeneralAccounting Office found that ticket prices,in such cases,ranged from 45 to 65 percent higher than at cities wheretwo or more carriers competed.And just last week theTransportation Department announced it was investigatingallegations of price-fixing by the major airlines-aimed atkeeping small
8、er discount-carriers from intruding on theirturf-and the Justice Department has begun similar probes.The message?Airlines may yearn to merge-but winningapproval from skeptical authorities might be tougher thanthey expect.13.Judging from the passage,the frequent-flier program isone by whi ch.A)people
9、 who have built up a certain number of flyingmiles with an airline will get a free ticket.B)people who fly an airline frequently will get a discountC)people who have built up a certain number of flyingmiles with an airline will get a cash awardD)people who fly an airline frequently will get extraser
10、vice14.according to this passage,the federal governmentsattitude towards airline mergers is one ofA)encouragement B)restrictionC)prohibition D)approval15.The expression a wild card in the last paragraph mostprobably means.A)a chief concrn B)an important factorC)an unpredictable element D)a necessary
11、consequence16.Which of the following statements is true?A)Airline mergers will give rise to intense com petition.B)Consumers benefit from airline mergers.C)Tie-ups between airlines seem to draw little publicattention.D)Ticket prices tend to be higher where there is only onecarrier.Passage 5A decade
12、ago Susie Makinster learned she might have aliver problem.Her doctors told her not to worry.So shedidnt-until three years ago,when she was astonished tolearn she had tested positive for hepatitis(肝 炎)C,ablood-borne virus she had never heard of.Makinster,then45,had been living with an infection that
13、would likely staywith her for life and that could eventually destroy her liverand cause her death.Yet she had no idea how or when shehad contracted the virus.Hepatitis C wasnt even discovered until 1989.Today anestimated 3.9 million Americans are infected,and most ofthem still dons know it.Like HIV,
14、hepatitis C is a slowactingvirus that can be transmitted by shared needles and bloodtransfusions.But it is far more rampant.There is no vaccineto prevent its spread,and no reliable treatment.Some 75percent of people who contract the virus will carry it for life;20 percent will develop cirrhosis of t
15、he liver.Hepatitis C isnow the nations leading reason for liver transplantation,and the second leading cause of cirrhosis(after alcohol).Itwill kill roughly 10,000 Americans this year-and thatnumber is expected to triple over the next two decades,asmore past infections come to light.Says Surgeon Gen
16、eralDavid Satcher,This is a major public health crisis.Until treatment is less hit-or-miss,living with hepatitisC will be a matter of accommodation.Though most peoplewho contracted the virus become chronically infected,manynever develop advanced liver disease.Thats partly luck,but not entirely.Givin
17、g up alcohol brightens the prognosis,and many sufferers tout the benefits of reducing stress andgetting more rest.Getting vaccinated against hepatitis aand B is also a good idea,since a dual infection canaggravate the disease.And preventing further spreadrequires some precautions.Experts are divided
18、 on the needto practise safe sex,since the virus is normally only in theblood.But they stress the importance of covering openwounds and not sharing razors and toothbrushes.17.According to the passage,the leading cause for livercirrhosis is.A)too much drinking B)hepatitis CC)hepatitis A D)hepatitis B
19、18.According to the passage,which of the followingstatements is true?A)No one who contracts hepatitis C can hope to livelong.B)More people have contracted hepatitis C than HIV.C)Alcohol is the chief cause for hepatitis C.D)Hepatitis C is sexually transmitted.19.The number of people who will die of h
20、epatitis C intwenty years will be.A)20,000 B)10,000C)30,000 D)40,00020.The word accommodation in the last paragraph mostprobably means.A)careB)treatmentC)restD)adjustmentUnit 1 4Passage 1New and bizarre crimes have come into being with theadvent of computer technology.Organized crime too hasbeen dir
21、ectly involved;the new technology offers itunlimited opportunities,such as data crimes,theft ofsevices,property-related crimes,industrial sabotage,politically related sabotage,vandalism,crimes against theindividual and financially related crimes.Theft of data,or data crime,has attracted the interest
22、of organized criminal syndicates.This is usually the theft orcopying of valuable computer program.An internationalmarket already exists for computerized data,andspecialized fences are said to be playing a key role in thisrapidly expanding criminal market,buyers for stolenprograms may range from a fi
23、rms competitors to foreignnations.A competitor sabotages a companys computer systemto destroy or cripple the firms operational ability,thusneutralizing its competitive capability either in the private orthe government sector.This computer sabotage may alsobe tied to an attempt by affluent investors
24、to acquire thevictim firm.With the growing reliance by firms oncomputers for their recordkeeping and daily operations,sabotage of their computers can result in internal havoc,after which the group interested in acquiring the firm caneasily buy it at a substantially lower price.Criminal groupscould a
25、lso resort to sabotage if the company is a competitorof a business owned or controlled by organized crime.Politically motivated sabotage is on the increase;political extremist groups have sprouted on every continent.Sophisticated computer technology arms these groups withawesome powers and opens tec
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