【考研类试卷】2019年全国硕士研究生入学统一考试英语模拟题及答案解析.doc
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1、2019 年全国硕士研究生入学统一考试英语模拟题及答案解析(总分:50.00,做题时间:180 分钟)一、阅读理解(总题数:1,分数:10.00)At 18, Ashanthi DeSilva of suburban Cleveland is a living symbol of one of the great intellectual achievements of the 20th century. Born with an extremely rare and usually fatal disorder that left her without a functioning immu
2、ne system (the “bubble-boy disease,” named after an earlier victim who was kept alive for years in a sterile plastic tent), she was treated beginning in 1990 with a revolutionary new therapy that sought to correct the defect at its very source, in the genes of her white blood cells. It worked. Altho
3、ugh her last gene-therapy treatment was in 1992, she is completely healthy with normal immune function, according to one of the doctors who treated her, W. French Anderson of the University of Southern California. Researchers have long dreamed of treating diseases from hemophilia to cancer by replac
4、ing mutant genes with normal ones. And the dreaming may continue for decades more. “There will be a gene-based treatment for essentially every disease,” Anderson says, “within 50 years.”Its not entirely clear why medicine has been so slow to build on Andersons early success. The National Institutes
5、of Health budget office estimates it will spend $432 million on gene-therapy research in 2005, and there is no shortage of promising leads. The therapeutic genes are usually delivered through viruses that dont cause human disease. “The virus is sort of like a Trojan horse,” says Ronald Crystal of Ne
6、w York Presbyterian/Weill Cornell Medical College. “The cargo is the gene.”At the University of Pennsylvanias Abramson Cancer Center, immunologist Carl June recently treated HIV patients with a gene intended to help their cells resist the infection. At Cornell University, researchers are pursuing ge
7、ne-based therapies for Parkinsons disease and a rare hereditary disorder that destroys childrens brain cells. At Stanford University and the Childrens Hospital of Philadelphia, researchers are trying to figure out how to help patients with hemophilia who today must inject themselves with expensive c
8、lotting drugs for life. Animal experiments have shown great promise.But somehow, things get lost in the translation from laboratory to patient. In human trials of the hemophilia treatment, patients show a response at first, but it fades over time. And the field has still not recovered from the setba
9、ck it suffered in 1999, when Jesse Gelsinger, an 18-year-old with a rare metabolic disorder, died after receiving an experimental gene therapy at the University of Pennsylvania. Some experts worry that the field will be tarnished further if the next people to benefit are not patients but athletes se
10、eking an edge. This summer, researchers at the Salk Institute in San Diego said they had created a “marathon mouse” by implanting a gene that enhances running ability; already, officials at the World Anti-Doping Agency are preparing to test athletes for signs of “gene doping.” But the principle is t
11、he same, whether youre trying to help a healthy runner run faster or allow a muscular-dystrophy patient to walk. “Everybody recognizes that gene therapy is a very good idea,” says Crystal. “And eventually its going to work.”(分数:10)(1).The case of Ashanthi Desilva is mentioned in the text to( )(分数:2)
12、A.show the promise of gene-therapyB.give an example of modern treatment for fatal diseasesC.introduce the achievement of Anderson his teamD.explain how gene-based treatment works(2).Andersons early success has( )(分数:2)A.greatly speeded the development of medicineB.brought no immediate progress in th
13、e research of gene-therapyC.promised a cure to every diseaseD.made him a national hero(3).Which of the following is true according to the text?( )(分数:2)A.Ashanthi needs to receive gene-therapy treatment constantly.B.Despite the huge funding, gene researches have shown few promises.C.Therapeutic gene
14、s are carried by harmless viruses.D.Gene-doping is encouraged by world agencies to help athletes get better scores.(4).The word “tarnish” (line 5, paragraph 4) most probably means( )(分数:2)A.affectB.warnC.troubleD.stain(5).From the text we can see that the author seems ( )(分数:2)A.optimisticB.pessimis
15、ticC.troubledD.uncertain二、完形填空(总题数:1,分数:40.00)When television first began to expand, very few of the people who had become famous as radio commentators were equally effective on television. Some of the_(1)_they experienced when they were trying to_(2)_themselves to the new medium were technical. Whe
16、n working_(3)_radio, for example, they had become_(4)_to seeing on_(5)_of the listener. This_(6)_of seeing for others means that the_(7)_has to be very good at talking. _(8)_all, he has to be able to_(9)_a continuous sequence of visual images which_(10)_meaning to the sounds which the listener hears
17、. In the_(11)_of television, however, the commentator sees_(12)_with the viewer. His role, therefore, is_(13)_different. He is there to make_(14)_that the viewer does not_(15)_some points of interest, to help him_(16)_on particular things, and to_(17)_the images on the television screen. _(18)_his r
18、adio colleague, he must know the_(19)_of silence and how to use it at those moments_(20)_the pictures speaks for themselves.(分数:40)(1).(分数:2)A.difficultiesB.successesC.sufferingsD.incidents(2).(分数:2)A.turnB.adapC.alterD.modify(3).(分数:2)A.onB.atC.withD.behind(4).(分数:2)A.experiencedB.determinedC.estab
19、lishedD.accustomed(5).(分数:2)A.accountB.sideC.pointD.behalf(6).(分数:2)A.efficiencyB.technologyC.artD.performance(7).(分数:2)A.commentatorB.TV viewerC.speakerD.author(8).(分数:2)A.OfB.ForC.AboveD.In(9).(分数:2)A.inspireB.createC.causeD.perceive(10).(分数:2)A.addB.applyC.affectD.reflect(11).(分数:2)A.occasionB.ev
20、entC.factD.case(12).(分数:2)A.somethingB.nothingC.everythingD.anything(13).(分数:2)A.equallyB.completelyC.initiallyD.hardly(14).(分数:2)A.definiteB.possibleC.sureD.clear(15).(分数:2)A.loseB.depriveC.relieveD.miss(16).(分数:2)A.focusB.attendC.followD.insist(17).(分数:2)A.exhibitB.demonstrateC.exposeD.interpret(1
21、8).(分数:2)A.LikeB.UnlikeC.AsD.For(19).(分数:2)A.purposeB.goalC.valueD.intention(20).(分数:2)A.ifB.whenC.whichD.as2019 年全国硕士研究生入学统一考试英语模拟题答案解析(总分:50.00,做题时间:180 分钟)一、阅读理解(总题数:1,分数:10.00)At 18, Ashanthi DeSilva of suburban Cleveland is a living symbol of one of the great intellectual achievements of the 20
22、th century. Born with an extremely rare and usually fatal disorder that left her without a functioning immune system (the “bubble-boy disease,” named after an earlier victim who was kept alive for years in a sterile plastic tent), she was treated beginning in 1990 with a revolutionary new therapy th
23、at sought to correct the defect at its very source, in the genes of her white blood cells. It worked. Although her last gene-therapy treatment was in 1992, she is completely healthy with normal immune function, according to one of the doctors who treated her, W. French Anderson of the University of
24、Southern California. Researchers have long dreamed of treating diseases from hemophilia to cancer by replacing mutant genes with normal ones. And the dreaming may continue for decades more. “There will be a gene-based treatment for essentially every disease,” Anderson says, “within 50 years.”Its not
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