[考研类试卷]考研英语二(完形填空)模拟试卷111及答案与解析.doc
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1、考研英语二(完形填空)模拟试卷 111 及答案与解析一、Section I Use of EnglishDirections: Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D. (10 points) 0 If you cant resist the chance to put on a bet, blame your insulaa region of your brain. Scientists think that when this brain
2、area is overactive, the heart rules our head and we cant help but【C1】_our losses.The Cambridge University researchers said: “Future treatments for gambling addiction could seek to reduce this overactivity, either by drugs or psychological techniques.“ The researchers made the【C2】 _after asking peopl
3、e with various brain injuries and healthy people play slot machine and roulette (a gambling game).A near miss on the slot machines made the players,【C3】_those with the damaged insulas, extra-keen to try their luck again.【C4】_, all of the players, apart from those with faulty insulas, made a【C5】_mist
4、ake when playing roulette. Dr Luke Clark from the University of Cambridge, who led the research, explained that during gambling games, people often【C6】_their chances of winning【C7】_a number of errors of thinking called【C8】_distortions. For example, near-misses seem to encourage further play,【C9】_the
5、y are no different from any other loss. In a【C10】_sequence like tossing a coin, a【C11】_of one event (heads) makes people think the other【C12 】_(tails) is due next; this is known as the gamblers fallacy.There is increasing【C13】_that problem gamblers are particularly prone to these erroneous beliefs.
6、By studying these people, the researchers found that all of them【C14】_the exception of the patients with insula damagereported a【C15】_motivation to play following near-misses in the slot machine game, and also fell【C16】_to the gamblers fallacy in the roulette game.The finding, which is published in
7、the journal Proceedings of the National Academy of Sciences, suggests that the insula, which is【C17】_in gut feelings and decision-making, is key to the psychology of gambling. “Based on these results, we【C18 】_that the insula could be overactive in problem gamblers, making them more【C19 】_to these e
8、rrors of thinking,“ said Dr Clarke. “Future treatments for gambling addiction could seek to reduce this overactivity, either by drugs or by psychological techniques like mindfulness【C20 】_.“1 【C1 】(A)stop(B) regret(C) chase(D)figure2 【C2 】(A)link(B) invention(C) prescription(D)practice3 【C3 】(A)exce
9、pt(B) including(C) plus(D)towards4 【C4 】(A)Consequently(B) Similarly(C) Conversely(D)Eventually5 【C5 】(A)huge(B) ridiculous(C) distinguished(D)common6 【C6 】(A)forecast(B) advance(C) minimize(D)misperceive7 【C7 】(A)regardless of(B) due to(C) apart from(D)in exchange for8 【C8 】(A)physical(B) cognitive
10、(C) intellectual(D)emotional9 【C9 】(A)only if(B) so that(C) even though(D)as if10 【C10 】(A)random(B) logical(C) linear(D)systematic11 【C11 】(A)phase(B) portion(C) parade(D)run12 【C12 】(A)component(B) expectation(C) outcome(D)picture13 【C13 】(A)confidence(B) evidence(C) resolution(D)experience14 【C14
11、 】(A)with(B) off(C) without(D)beyond15 【C15 】(A)heightened(B) expanded(C) emphasized(D)worsened16 【C16 】(A)foul(B) witness(C) silence(D)prey17 【C17 】(A)delighted(B) indulged(C) involved(D)shared18 【C18 】(A)decide(B) fabricate(C) assume(D)believe19 【C19 】(A)susceptible(B) immune(C) harmful(D)indiffer
12、ent20 【C20 】(A)operations(B) therapies(C) deeds(D)mends20 Scientists have discovered a powerful antibiotic in the blood stream of giant pandas that can destroy bacteria The Chinese researchers discovered the【C1】_known as cathelicidin-AM, after【C2 】_the pandas DNA. Its thought that the antibiotic is【
13、C3】_by the bears immune system in order to protect them from infections.The scientists found that cathelicidin-AM killed bacteria in less than an hour【 C4】_other antibiotics took more than six hours. They now want to develop the substance as a new drug to fight superbugs.The【C5 】_bears, of which the
14、re are just 1,600 in the wild, have become a symbol for conservationand now there could be a new reason to try and protect them.【C6】_, scientists will not need to rely on the animals unreliable breeding ability to【C7】_the new antibiotic, as they have been able to make it artificially in the lab by d
15、ecoding the genes to produce a small molecule known as a peptide.Dr Xiuwen Yan, who led the research at the Life Sciences College of Nanjing Agricultural University in China told the Daily Telegraph: “It showed potential antimicrobial activities against wide【C8】_of microorganisms including bacteria,
16、 both standard and drug-resistant【C9】_. Under the pressure of increasing microorganisms【C10】_drug resistance against conventional antibiotics, there is【C11】_need to develop new type of antimicrobial agents. Gene-encoded antibiotics play an important role in immune system against【C12】_microorganisms.
17、 They cause much less drug resistance than conventional antibiotics.“Panda populations have decreased【C13】_the destruction of their natural habitat and bamboo food【C14】_in China and south east Asia.【C15】_to increase their numbers, including efforts at Edinburgh Zoo with resident pandas Tian Tian and
18、 Yang Guang, have been【C16】_for the extreme difficulty in getting them to breed in captivity.【C17】_in the wild, pandas【C18】_to breed easily, as the females only come into season once a year.It has been【C19 】_that the millions of pounds spent in using expensive artificial breeding techniques could be
19、 put to better use on other conservation projects. And this new discovery is likely to【C20】_the case to save the endangered creatures.21 【C1 】(A)medicine(B) compound(C) compact(D)factor22 【C2 】(A)analyzing(B) observing(C) exploiting(D)taking23 【C3 】(A)relieved(B) received(C) released(D)revealed24 【C
20、4 】(A)for(B) after(C) unless(D)while25 【C5 】(A)distinctive(B) expensive(C) lovely(D)distinguished26 【C6 】(A)Unfortunately(B) Thankfully(C) Surprisingly(D)Naturally27 【C7 】(A)prove(B) exclude(C) maintain(D)harvest28 【C8 】(A)area(B) extent(C) spectrum(D)margin29 【C9 】(A)chains(B) strains(C) series(D)m
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