当前位置:考试网  > 试卷库  > 学历类  > 升学考试  > 高考  > 语文  > 在下面一段文字横线处补写恰当的语句,使整段文字语意完整连贯,内容贴切,逻辑严密,每处不超过15个字。 研究发现,有氧运动能增加流向与记忆有关的大脑区域的血流量,从而改善记忆力。任何时候开始锻炼都不会太晚,即使进入老年阶段,①,你仍然可以通过适当增加有氧运动来加以改善,有30名被试人员(平均年龄66岁)参与了研究,②,这两组人都没有定期锻炼的习惯,也没有记忆障碍的迹象,其中一组每周完成数次有氧运动的任务,而另一组只进行拉伸和平衡训练,同时保持较低的心率。12个月后,与拉伸平衡组相比,有氧运动组流向与记忆有关的大脑区域的血流量增加了。研究开始和结束时进行的记忆力测试显示,③,而拉伸平衡组的成绩提高不明显
试题预览

在下面一段文字横线处补写恰当的语句,使整段文字语意完整连贯,内容贴切,逻辑严密,每处不超过15个字。

研究发现,有氧运动能增加流向与记忆有关的大脑区域的血流量,从而改善记忆力。任何时候开始锻炼都不会太晚,即使进入老年阶段,①,你仍然可以通过适当增加有氧运动来加以改善,有30名被试人员(平均年龄66岁)参与了研究,②,这两组人都没有定期锻炼的习惯,也没有记忆障碍的迹象,其中一组每周完成数次有氧运动的任务,而另一组只进行拉伸和平衡训练,同时保持较低的心率。12个月后,与拉伸平衡组相比,有氧运动组流向与记忆有关的大脑区域的血流量增加了。研究开始和结束时进行的记忆力测试显示,③,而拉伸平衡组的成绩提高不明显

查看答案
收藏
纠错
正确答案:
答案解析:
你可能感兴趣的试题

小说中历史与现实交织穿插,这种叙述方式有哪些好处?请结合作品简要分析。

鲁芝字世英,扶风郿人也。世有名德,为西州豪族。父为郭汜所害,芝襁褓流离,年十七,乃移居雍,耽思坟籍..。郡举上计吏,州辟别驾。魏车骑将军郭淮为雍州刺史,深敬重之。举孝廉,除郎中。后拜骑都尉、参军事、行安南太守,迁尚书郎。曹真出督关右,又参大司马军事。真薨,宣帝代焉,乃引芝参骠骑军事,转天水太守。郡邻于蜀,数被侵掠,户口减削,寇盗充斥,芝倾心镇卫,更造城市,数年间旧境悉复。迁广平太守。天水夷夏慕德,老幼赴阙..献书,乞留芝。魏明帝许焉。曹爽辅政,引为司马。芝屡有谠言嘉谋,爽弗能纳。及宣帝起兵诛爽,芝率余众犯门斩关,驰出赴爽,劝爽曰:“公居伊周之位,一旦以罪见黜,虽欲牵黄犬,复可得乎!若挟天子保许昌,杖大威以羽檄征四方兵,孰敢不从!舍此而去,欲就东市,岂不痛哉!”爽懦惑不能用遂委身受戮芝坐爽下狱当死而口不讼直志不苟免宣帝嘉之赦而不诛俄而起为并州刺史诸葛诞以寿春叛,魏帝出征,芝率荆州文武以为先驱。诞平,迁大尚书,掌刑理。武帝践祚..,转镇东将军,进爵为侯。帝以芝清忠履正,素无居宅,使军兵为作屋五十间。芝以年及悬车,告老逊位..,章表十余上,于是征为光禄大夫,位特进,给吏卒,门施行马。羊祜为车骑将军,乃以位让芝,曰:“光禄大夫鲁芝洁身寡欲,和而不同,服事华发,以礼终始,未蒙此选,臣更越之,何以塞天下之望!”上不从。其为人所重如是。泰始九年卒,年八十四。帝为举哀,谥曰贞,赐茔田百亩。(节选自《晋书·鲁芝传》)下列对文中加点词语的相关内容的解说,不正确的一项是

《后汉书·王涣传》下列对原文有关内容的概括和分析,不正确的一项是

补写出下列句子中的空缺部分。

(1)《庄子·逍遥游》中以八千年为一季的大椿为例,阐述何为“大年”,随后指出八百岁的长寿老人实在不算什么_____________________,_____________________,_____________________!”

(2)刘禹锡在《陋室铭》中以“_____________________,_____________________”来借指自己的陋室,抒发自己仰慕前贤、安贫乐道的情怀

鲁芝字世英,扶风郿人也。世有名德,为西州豪族。父为郭汜所害,芝襁褓流离,年十七,乃移居雍,耽思坟籍..。郡举上计吏,州辟别驾。魏车骑将军郭淮为雍州刺史,深敬重之。举孝廉,除郎中。后拜骑都尉、参军事、行安南太守,迁尚书郎。曹真出督关右,又参大司马军事。真薨,宣帝代焉,乃引芝参骠骑军事,转天水太守。郡邻于蜀,数被侵掠,户口减削,寇盗充斥,芝倾心镇卫,更造城市,数年间旧境悉复。迁广平太守。天水夷夏慕德,老幼赴阙..献书,乞留芝。魏明帝许焉。曹爽辅政,引为司马。芝屡有谠言嘉谋,爽弗能纳。及宣帝起兵诛爽,芝率余众犯门斩关,驰出赴爽,劝爽曰:“公居伊周之位,一旦以罪见黜,虽欲牵黄犬,复可得乎!若挟天子保许昌,杖大威以羽檄征四方兵,孰敢不从!舍此而去,欲就东市,岂不痛哉!”爽懦惑不能用遂委身受戮芝坐爽下狱当死而口不讼直志不苟免宣帝嘉之赦而不诛俄而起为并州刺史诸葛诞以寿春叛,魏帝出征,芝率荆州文武以为先驱。诞平,迁大尚书,掌刑理。武帝践祚..,转镇东将军,进爵为侯。帝以芝清忠履正,素无居宅,使军兵为作屋五十间。芝以年及悬车,告老逊位..,章表十余上,于是征为光禄大夫,位特进,给吏卒,门施行马。羊祜为车骑将军,乃以位让芝,曰:“光禄大夫鲁芝洁身寡欲,和而不同,服事华发,以礼终始,未蒙此选,臣更越之,何以塞天下之望!”上不从。其为人所重如是。泰始九年卒,年八十四。帝为举哀,谥曰贞,赐茔田百亩。(节选自《晋书·鲁芝传》)下列对原文有关内容的概括和分析,不正确的一项是

热门试题 更多>
Selling Digital Music without Copy-protection Makes Sense A. It was uncharacteristically low-key for the industry’s greatest showman. But the essay published this week by Steve Jobs, the boss of Apple, on his firm’s website under the unassuming title “Thoughts on Music” has nonetheless provoked a vigorous debate about the future of digital music, which Apple dominates with its iPod music-player and iTunes music-store. At issue is “digital rights management” (DRM)—the technology guarding downloaded music against theft. Since there is no common standard for DRM, it also has the side-effect that songs purchased for one type of music-player may not work on another. Apple’s DRM system, called FairPlay, is the most widespread. So it came as a surprise when Mr. Jobs called for DRM for digital music to be abolished. B. This is a change of tack for Apple. It has come under fire from European regulators who claim that its refusal to license FairPlay to other firms has “locked in” customers. Since music from the iTunes store cannot be played on non-iPod music-players (at least not without a lot of fiddling), any iTunes buyer will be deterred from switching to a device made by a rival firm, such as Sony or Microsoft. When French lawmakers drafted a bill last year compelling Apple to open up FairPlay to rivals, the company warned of “state-sponsored piracy”. Only DRM, it implied, could keep the pirates at bay. C. This week Mr. Jobs gave another explanation for his former defence of DRM: the record companies made him do it. They would make their music available to the iTunes store only if Apple agreed to protect it using DRM. They can still withdraw their catalogues if the DRM system is compromised. Apple cannot license FairPlay to others, says Mr Jobs, because it would depend on them to produce security fixes promptly. All DRM does is restrict consumer choice and provide a barrier to entry, says Mr Jobs; without it there would be far more stores and players, and far more innovation. So, he suggests, why not do away with DRM and sell music unprotected? “This is clearly the best alternative for consumers,” he declares, “and Apple would embrace it in a heartbeat.” D. Why the sudden change of heart? Mr Jobs seems chiefly concerned with getting Europe’s regulators off his back. Rather than complaining to Apple about its use of DRM, he suggests, “those unhappy with the current situation should redirect their energies towards persuading the music companies to sell their music DRM-free.” Two and a half of the four big record companies, he helpfully points out, are European-owned. Mr Jobs also hopes to paint himself as a consumer champion. Apple resents accusations that it has become the Microsoft of digital music. E. Apple can afford to embrace open competition in music players and online stores. Consumers would gravitate to the best player and the best store, and at the moment that still means Apple’s. Mr Jobs is evidently unfazed by rivals to the iPod. Since only 3% of the music in a typical iTunes library is protected, most of it can already be used on other players today, he notes. (And even the protected tracks can be burned onto a CD and then re-ripped.) So Apple’s dominance evidently depends far more on branding and ease of use than DRM-related “lock in”. F. The music giants are trying DRM-free downloads. Lots of smaller labels already sell music that way. Having seen which way the wind is blowing, Mr Jobs now wants to be seen not as DRM’s defender, but as a consumer champion who helped in its downfall. Wouldn’t it lead to a surge in piracy? No, because most music is still sold unprotected on CDs, people wishing to steal music already can do so. Indeed, scrapping DRM would probably increase online-music sales by reducing confusion and incompatibility. With the leading online store, Apple would benefit most. Mr Jobs’s argument, in short, is transparently self-serving. It also happens to be right. Notes to Reading Passage 1 1. low-key: 抑制的,受约束的,屈服的 2. showman: 开展览会的人, 出风头的人物 3. unassuming: 谦逊的, 不夸耀的, 不装腔作势的 4. iPod: (苹果公司出产的)音乐播放器 5. iTunes store: (苹果公司出产的)在线音乐商店 6. get off person’s back: 不再找某人的麻烦,摆脱某人的纠缠 7. gravitate: 受吸引,倾向于 8. unfazed: 不再担忧,不被打扰 Questions 1-7 Do the following statemets reflect the claims of the writer in Reading Passage 1? Write your answer in Boxes 1-7 on your answer sheet. TRUE if the statement reflets the claims of the writer FALSE if the statement contradicts the claims of the writer NOT GIVEN if it is impossbile to say what the writer thinks about this 1. Apple enjoys a controlling position in digital music market with its iPod music-player and iTunes music-store. 2. DRM is a government decree issued with a purpose to protect downloaded music from theft by consumers. 3. Lack of standardization in DRM makes songs bought for one kind of music player may not function on another. 4. Apple has been criticized by European regulators since it has refused to grant a license FairPlay to other firms. 5. All music can be easily played on non-iPod music devices from Sony or Microsoft without too much fiddling. 6. Apple depends far more on DRM rather than branding for its dominance of the digital music devices. 7. If DRM was cancelled, Sony would certainly dominate the international digital music market. Questions 8-10 Choose the appropriate letters A-D and write them in boxes 8-10 on your answe sheet. 8. Which of the following statements about Mr. Jobs’ idea of DRM is NOT TRUE? A. DRM places restrictions on consumer’ choice of digital music products available. B. DRM comples iTunes buyers to switch to a device made by Sony or Microsoft. C. DRM constitutes a barrier for potential consumers to enter digital music markets. D. DRM hinders development of more stores and players and technical innovation. 9. The word “unfazed” in line 3 of paragraph E, means___________. A. refused B. welcomed C. not bothered D. not well received 10. Which of the following statements is TRUE if DRM was scapped? A. Sony would gain the most profit. B. More customers would be “locked in”. C. A sudden increase in piracy would occur. D. Online-music sales would probably decrease. Questions 11-14 Complete the notes below. Choose NO MORE THAN THREE WORDS from Reading Passage 1 for each answer. Write your answers in boxes 11-14 on your answer sheet. Mr. Steve Jobs, the boss of Apple, explains the reason why he used to defend DRM, saying that the company was forced to do so: the record companies would make their music accessible to …11...only if they agreed to protect it using DRM; they can still…12…if the DRM system is compromised. He also provides the reason why Apple did not license FairPlay to others: the company relies on them to …13….But now he changes his mind with a possible expectation that Europe’s regulators would not trouble him any more in the future. He proposes that those who are unsatisfactory with the current situation in digital music market should …14… towards persuade the music companies to sell their music DRM-free.
试题分类: 阅读
练习次数:0次
Investing thousands of pounds in the recruitment and training of each new graduate recruit may be just the beginning. Choosing the wrong candidate may leave an organisation paying for years to come. Few companies will have escaped all of the following failures: people who panic at the first sight of stress; those with long impressive qualifications who seem incapable of learning; hypochondriacs whose absentee record becomes astonishing; and the unstable person later discovered to be a thief or worse. Less dramatic, but just as much a problem, is the person who simply does not come up to expectations, who does not quite deliver; who never becomes a high-flier or even a steady performer; the employee with a fine future behind them. The first point to bear in mind at the recruitment stage is that people don’t change. Intelligence levels decline modestly, but change little over their working life. The same is true of abilities, such as learning languages and handling numbers. Most people like to think that personality can change, particularly the more negative features such as anxiety, low esteem, impulsiveness or a lack of emotional warmth. But data collected over 50 years gives a clear message: still stable after all these years. Extroverts become slightly less extroverted; the acutely shy appear a little less so, but the fundamentals remain much the same. Personal crises can affect the way we cope with things: we might take up or drop drink, drugs, religion or relaxation techniques, which can be have pretty dramatic effects. Skills can be improved, and new ones introduced, but at rather different rates. People can be groomed for a job. Just as politicians are carefully repackaged through dress, hairstyle and speech specialists, so people can be sent on training courses, diplomas or experimental weekends. But there is a cost to all this which may be more than the price of the course. Better to select for what you actually see rather than attempt to change it. ( )1. The purpose of this passage is to give managers the advice that . A. Employers should select candidates for their potential. B. Employers should select candidates for what they are rather than for their potential. C. Employers should select the newly graduated and send them on training courses, diplomas or experimental weekends. D. Employers should select experienced candidates to avoid spending thousands of pounds in training. ( )2. According to the passage, which of the following statements is true? . A. Absolutely, People don’t change during their working lives. B. Generally, people change to a large extent during their working lives. C. Fundamentally, people stay the same during their working lives. D. Normally, people don’t change at all during their working lives. ( )3. What does a fine future behind them (line 3 of paragraph 3) means? . A. Some people will certainly have a promising future though they are not very competent in their present work. B. Some people don’t have any potential for their work though they are employed. C. Some people can have a bright future though they can’t do their work well. D. Some people have potential when they are employed, but never realize that potential. ( )4. According to the passage, people’s basic abilities like language learning and numeracy . A. change little over their working life. B. never change over their working life. C. change fundamentally over their working life. D. change profoundly over their working life. ( )5. The word deliver (line 2 of paragraph 3) means . A. to take goods to the places or people they are addressed to B. to give a speech C. to do what you promised to do D. to help a woman to give birth to a baby.
试题分类: 初级(阅读)
练习次数:11次
Don't wash those fossils! Standard museum practice can wash away DNA. 1.Washing, brushing and varnishing fossils — all standard conservation treatments used by many fossil hunters and museum curators alike — vastly reduces the chances of recovering ancient DNA. 2.Instead, excavators should be handling at least some of their bounty with gloves, and freezing samples as they are found, dirt and all, concludes a paper in the Proceedings of the National Academy of Sciences today. 3.Although many palaeontologists know anecdotally that this is the best way to up the odds of extracting good DNA, Eva-Maria Geigl of the Jacques Monod Institute in Paris, France, and her colleagues have now shown just how important conservation practices can be.This information, they say, needs to be hammered home among the people who are actually out in the field digging up bones. 4.Geigl and her colleagues looked at 3,200-year-old fossil bones belonging to a single individual of an extinct cattle species, called an aurochs.The fossils were dug up at a site in France at two different times — either in 1947, and stored in a museum collection, or in 2004, and conserved in sterile conditions at -20 oC. 5.The team's attempts to extract DNA from the 1947 bones all failed.The newly excavated fossils, however, all yielded DNA. 6.Because the bones had been buried for the same amount of time, and in the same conditions, the conservation method had to be to blame says Geigl."As much DNA was degraded in these 57 years as in the 3,200 years before," she says. Wash in, wash out 7.Because many palaeontologists base their work on the shape of fossils alone, their methods of conservation are not designed to preserve DNA, Geigl explains. 8.The biggest problem is how they are cleaned.Fossils are often washed together on-site in a large bath, which can allow water — and contaminants in the form of contemporary DNA — to permeate into the porous bones."Not only is the authentic DNA getting washed out, but contamination is getting washed in," says Geigl. 9.Most ancient DNA specialists know this already, says Hendrik Poinar, an evolutionary geneticist at McMaster University in Ontario, Canada.But that doesn't mean that best practice has become widespread among those who actually find the fossils. 10.Getting hold of fossils that have been preserved with their DNA in mind relies on close relationships between lab-based geneticists and the excavators, says palaeogeneticist Svante P bo of the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany.And that only occurs in exceptional cases, he says. 11.P bo's team, which has been sequencing Neanderthal DNA, continually faces these problems."When you want to study ancient human and Neanderthal remains, there's a big issue of contamination with contemporary human DNA," he says. 12.This doesn't mean that all museum specimens are fatally flawed, notes P bo.The Neanderthal fossils that were recently sequenced in his own lab, for example, had been part of a museum collection treated in the traditional way.But P bo is keen to see samples of fossils from every major find preserved in line with Geigl's recommendations — just in case. Warm and wet 13.Geigl herself believes that, with cooperation between bench and field researchers, preserving fossils properly could open up avenues of discovery that have long been assumed closed. 14.Much human cultural development took place in temperate regions.DNA does not survive well in warm environments in the first place, and can vanish when fossils are washed and treated.For this reason, Geigl says, most ancient DNA studies have been done on permafrost samples, such as the woolly mammoth, or on remains sheltered from the elements in cold caves — including cave bear and Neanderthal fossils. 15.Better conservation methods, and a focus on fresh fossils, could boost DNA extraction from more delicate specimens, says Geigl.And that could shed more light on the story of human evolution. (640 words nature ) Glossary Palaeontologists 古生物学家 Aurochs 欧洲野牛 Neanderthal (人类学)尼安德特人,旧石器时代的古人类。 Permafrost (地理)永冻层 Questions 1-6 Answer the following questions by using NO MORE THAN THREE WORDS for each answer. 1.How did people traditionally treat fossils? 2.What suggestions do Geigl and her colleagues give on what should be done when fossils are found? 3.What problems may be posed if fossil bones are washed on-site? Name ONE. 4.What characteristic do fossil bones have to make them susceptible to be contaminated with contemporary DNA when they are washed? 5.What could be better understood when conservation treatments are improved? 6.The passage mentioned several animal species studied by researchers.How many of them are mentioned? Questions 7-11 Do the following statements agree with the information given in the passage? Please write TRUE if the statement agrees with the writer FALSE if the statement does not agree with the writer NOT GIVEN if there is no information about this in the passage. 7.In their paper published in the Proceedings of the National Academy of Sciences,Geigl and her colleagues have shown what conservation practices should be followed to preserve ancient DNA. 8.The fossil bones that Geigl and her colleagues studied are all from the same aurochs. 9.Geneticists don't have to work on site. 10.Only newly excavated fossil bones using new conservation methods suggested by Geigl and her colleagues contain ancient DNA. 11.Paabo is still worried about the potential problems caused by treatments of fossils in traditional way. Questions 12-13 Complete the following the statements by choosing letter A-D for each answer. 12.“This information” in paragraph 3 indicates: [A] It is critical to follow proper practices in preserving ancient DNA. [B] The best way of getting good DNA is to handle fossils with gloves. [C] Fossil hunters should wear home-made hammers while digging up bones. [D] Many palaeontologists know how one should do in treating fossils. 13.The study conducted by Geigl and her colleagues suggests: [A] the fact that ancient DNA can not be recovered from fossil bones excavated in the past. [B] the correlation between the amount of burying time and that of the recovered DNA. [C] the pace at which DNA degrades. [D] the correlation between conservation practices and degradation of DNA.
试题分类: 阅读
练习次数:2次
试题分类: 初级(口语)
练习次数:0次
扫一扫,手机做题