考研习题练习

考研每日一练(2019/9/24)
1题:
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2题:

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The Tuscan town of Vinci, birthplace of Leonardo and home to a museum of his machines, should fittingly put on a show of the television-robot sculptures of Nam Jun Paik. This Korean-bornAmerican artist and the Renaissance master are kindred spirits: Leonardo saw humanistic potential in his scientific experiments, Mr Paik endeavors to harness media technology for artistic purp9ses.A、pioneer of video art in the late 1960s, he treats television as a space for art images and as material for robots and interactive sculptures.
Mr Paik was not alone. He and fellow artists picked on the video cameras because they offered an easy way to record their performance art. Now, to mark video art’s coming of age, New York’s Museum of ModernArt is looking back at their efforts in a film series called "The FirstDecade". It celebrates the early days of video by screening the archives ofElectronicArts IntermixEAI), one of the world’s leading distributors of video and new media art, founded 30 years ago.
One ofEAI’s most famous alumni isBill ViolA、Part of the second generation of video artists, who emerged in the 1970s, Mr Viola experimented with video’s expressive potential. His camera explores religious ritual and universal ideas. The Viola show at theDeutsche Guggenheim inBerlin shows us moving-image frescoes that cover the gallery walls and envelop the viewer in all-embracing cycles of life and death.
One new star is aCalifornian,DougAitken, who took over London’s Serpentine Gallery last October with an installation called "New Ocean". Some say MrAitken is to video what Jackson Pollock was to painting. He drips his images from floor to ceiling, creating sequences of rooms in which the Space surrounds the viewer in hallucinatory images, of sound and light.
At the Serpentine, MrAitken created a collage of moving images, on the theme of water’s flow around the planet as a force of life. "I wanted to create a new topography in this work, a liquid image, to show a world that never stands still," he says. The boundary between the physical world and the world of images and information, he thinks, is blurring.
The interplay of illusion and reality, sound and image, references to art history, politics, film and television in this art form that is barely 30 years old can make video art difficult to define. Many call it film-based or moving-image art to include artists who work with other cinematic mediA、At its best, the appeal of video art lies in its versatility, its power to capture the passing of time and on its ability to communicate both inside and outside gallery walls.
3题:{{B}}Text 2{{/B}}
Toward the novel literary idea, the author’s attitude seems to be that ofA.Disapproval.
B.Neutrality.
C.Appreciation.
D.Suspicion.
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4题:It’’s a rough world out there. Step outside and you could break a leg slipping on your doormat. Light up the stove and you could burn down the house. Luckily, if the doormat or stove failed to warn of coming disaster, a successful lawsuit might compensate you for your troubles. Or so the thinking has gone since the early 1980s, when juries began holding more companies liable for their customers’’ misfortunes.  Feeling threatened, companies responded by writing ever-longer warning labels, trying to anticipate every possible accident. Today, stepladders carry labels several inches long that warn, among other things, that you might--surprise! -- fall off. The label on a child’’sBatman cape cautions that the toy "does not enable user to fly."  While warnings are often appropriate and necessary--the dangers of drug interactions, for example--and many are required by state or federal regulations, it isn’’t clear that they actually protect the manufacturers and sellers from liability if a customer is injureD、About 50 percent of the companies lose when injured customers take them to court.  Now the tide appears to be turning.As personal injury claims continue as before, some courts are beginning to side with defendants, especially in cases where a warning label probably wouldn’’t have changed anything. In May, Julie Nimmons, president of Schutt Sports in Illinois, successfully fought a lawsuit involving a football player who was paralyzed in a game while wearing a Schutt helmet. "We’’re really sorry he has become paralyzed, but helmets aren’’t designed to prevent those kinds of injuries," says Nimmons. The jury agreed that the nature of the game, not the helmet, was the reason for the athlete’’s injury.At the same time, theAmerican Law Institute--a group of judge, lawyers, and academics whose recommendations carry substantial weight--issued new guidelines for tort law stating that companies need not warn customers of obvious dangers or bombard them with a lengthy list of possible ones. "Important information can get buried in a sea of trivialities," says a law professor atCornell Law School who helped draft the new guidelines. If the moderate end of the legal community has its way, the information on products might actually be provided for the benefit of customers and not as protection against legal liability.The author’’s attitude towards the issue seems to be____________.
A、biased
B.indifferent

C、puzzling
D.objective
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5题: 男性,40岁,血吸虫性肝硬化伴严重脾肿大及血小板减少,有上消化道出血史,胃镜示食管静脉重度曲张。该病人的最佳治疗方法是
A.单纯脾切除术
B.门腔静脉分流术
C.脾肾静脉分流术
D.脾切除加贲门周围血管离断术
E.曲张静脉套扎术
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6题: 下列有关文学常识的表述,错误的一项是:
A.贾谊、欧阳修、苏洵是我国古代著名的散文家,他们各自的代表作《过秦论》《伶官传序》《六国论》都是有名的史论散文。
B.关汉卿、王实甫、汤显祖都是元代著名的杂剧家,他们的代表作分别是《窦娥冤》《西厢记》和《牡丹亭》。
C.钱钟书是现代著名学者、小说家,代表作有学术论著《谈艺录》《管锥编》和长篇小说《围城》等。
D.弗兰茨·卡夫卡是奥地利小说家,西方现代主义文学的先驱,代表作是《变形记》。
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7题: 急性白血病骨髓移植的最佳时机是
A.第一次完全缓解时
B.联合化疗时
C.第一次复发时
D.发作最严重时
E.化疗一疗程后
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8题:在mRNA中,核苷酸之间以何种化学键连接
A.磷酸酯键
B.疏水键
C.糖苷键
D.磷酸二酯键
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9题:关于肝药酶说法正确的是
A.经肝药酶代谢后有些药物毒性可增加
B.作用有很高的选择性,但活性有限
C.其活性主要受遗传影响,不受生理病理影响
D.药物在体内代谢仅受肝药酶的影响
E.经肝药酶代谢后药物毒性消失
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10题:神经细胞在兴奋过程中,Na+内流和K+外流的量取决于
A.各自平衡电位
B.细胞的阈电位
C.钠泵活动程度
D.所给刺激强度
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