单选题It can be inferred from the passage that _____A “mental cosmetics” is already a reality.B a new generation of mind-enhancing drugs may be a near future.C Ritalin and Modafinil have no mind-enhancing properties.D cognitive enhancers have been developed
题目
“mental cosmetics” is already a reality.
a new generation of mind-enhancing drugs may be a near future.
Ritalin and Modafinil have no mind-enhancing properties.
cognitive enhancers have been developed perfectly.
相似考题
更多“单选题It can be inferred from the passage that _____A “mental cosmetics” is already a reality.B a new generation of mind-enhancing drugs may be a near future.C Ritalin and Modafinil have no mind-enhancing properties.D cognitive enhancers have been developed ”相关问题
-
第1题：
It can be inferred from the passage that
A.students taking part in basket ball will walk to the courts.
B.every student can gain admission to one of the four sports
C.hiking students can have a regular rest in the shade of trees
D.students taking up the four sports should bring bottles of water
正确答案：B
-
第2题：
We can infer from the passage that_____.
［A］ Shearer has experienced many violent incidents ［B］ new tools have been used to investigate terrorists
［C］ FBI has been active in the war on eco-terrorism ［D］ ELF openly declares its beliefs and ends
正确答案：D
-
第3题：
During the past generation, the American middle-class family that once could count on hard work and fair play to keep itself financially secure has been transformed by economic risk and new realities. Now a pink slip, a bad diagnosis, or a disappearing spouse can reduce a family from solidly middle class to newly poor in a few months.
In just one generation, millions of mothers have gone to work, transforming basic family economics. Scholars, policymakers, and critics of all stripes have debated the social implications of these changes, but few have looked at the side effect: family risk has risen as well. Today's families have budgeted to the limits of their new two-paycheck status. As a result, they have lost the parachute they once had in times of financial setback-a back-up earner (usually Mom) who could go into the workforce if the primary earner got laid off or fell sick. This "added-worker effect" could support the safety net offered by unemployment insurance or disability insurance to help families weather bad times. But today, a disruption to family fortunes can no longer be made up with extra income from an otherwise-stay-at-home partner.
During the same period, families have been asked to absorb much more risk in their retirement income. Steelworkers, airline employees, and now those in the auto industry are joining millions of families who must worry about interest rates, stock market fluctuation, and the harsh reality that they may outlive their retirement money. For much of the past year, President Bush campaigned to move Social Security to a saving-account model, with retirees trading much or all of their guaranteed payments for payments depending on investment returns. For younger families, the picture is not any better. Both the absolute cost of healthcare and the share of it borne by families have risen--and newly fashionable health-savings plans are spreading from legislative halls to WalMart workers, with much higher deductibles and a large new dose of investment risk for families' future healthcare. Even demographics are working against the middle class family, as the odds of having a weak elderly parent--and all the attendant need for physical and financial assistance have jumped eightfold in just one generation.
From the middle-class family perspective, much of this, understandably, looks far less like an opportunity to exercise more financial responsibility, and a good deal more like a frightening acceleration of the wholesale shift of financial risk onto their already overburdened shoulders. The financial fallout has begun, and the political fallout may not be far behind．
It can be inferred from the last paragraph that__A.financial risks tend to outweigh political risks
B.the middle class may face greater political challenges
C.financial problems may bring about political problems
D.financial responsibility is an indicator of political status答案：C解析：推断题。根据题干定位到最后一段。第一句很长，采用了一个词组“looks far less like…，and a good deal more like…”，这句主要讲的是中产阶级家庭对新生储蓄计划的看法和观点。最后一句“The financial fallout has begun，and the political fallout may not be far behind．”是说财务余波已经到来了，同时受其影响的政治风波也不会很远，因此C项“财务问题可能会带来政治问题”为正确选项。其余选项均不符合题意。 -
第4题：
It can be inferred from the passage that all of the following are literary detectives who have tried，by means of either scholarship or criticism，to help solve the“great puzzle”mentioned in the first line EXCEPT( )A.Bardeche
B.Vallette
C.Fallois
D.Kolb答案：B解析：
-
第5题：
The fifth-generation computers，with artificial intelligence，( )and perfected now.A.developed
B.have developed
C.are being developed
D.will have been developed答案：C解析：考查进行时的被动语态。空格处动词应用被动语态，首先排除A、B两项。C、D两项的区别在于时态不同，根据句尾的now可知，应选择进行时，因此C项符合要求。故本题选C。句意：人工智能的第五代计算机目前正在被开发和完善中。 -
第6题：
单选题It can be inferred from the passage that ______.Anew radio devices should be developed for tracking the endangered blue whales
Bblue whales are no longer endangered with the use of the new listening system
Copinions differ as to whether civilian scientists should be allowed to use military technology
Dmilitary technology has great potential in civilian use
正确答案： A解析：
推论题。根据美国水下声音监控系统对深海火山，洋流变化，全球温度等方面的民用科学的研究，说明军事技术转为民用更具有潜力。所以D为答案。 -
第7题：
单选题We can infer from the passage_______.Athe ice can easily just slip into the ocean
Bvolcanoes caused the ice to melt
Cmelting just in the Northern hemisphere would have been impossible
Dresearchers often use the computer models help their research work
正确答案： A解析： -
第8题：
单选题It can be inferred from the passage that the Puritans were _____.Auneducated
Bhardworking
Cgenerous
Dwealthy
正确答案： B解析： -
第9题：
单选题What can be inferred from the passage?AThe housing market once crashed.
BThe investment market once crashed.
CThe housing market is about to crash.
DThe predictions of a housing crash have come true.
正确答案： B解析：
录音中提到“But earlier dire predictions of an impending housing crash in recent times haven’t come about. One reason a “crash” is unlikely is that the housing market is structured much differently from investment markets like stocks or commodities.”，由此可见早期预言在最近的时期房地产市场崩溃即将发生，但是这个可怕的预言没有实现。房地产市场不可能崩溃的其中一个原因是房地产市场的构成和像股票或商品期货的投资市场大不相同，由此可推测出投资市场曾经崩溃过，故选B。 -
第10题：
单选题What can be inferred from the passage?APhobias have much to do with depression.
BEverybody has something to fear about.
CAvoidance can help patients forget fear.
DThe symptoms of panic disorder are easy to find.
正确答案： A解析：
推断题。本文的主要内容是详细描述恐惧症及可能的治疗方法。文章第三段在对恐惧症进行分类时提到社交恐惧症是fear at the prospect of social or professional encounters（对在社会或职业方面可能会遇到的事感到恐惧），由此可知恐惧症或多或少地与消沉相关，故选A。 -
第11题：
单选题From the passage we can conclude that _____.Adoctors remain doubtful of the effectiveness of the cure
Bmany ALD patients still refuse to use the oil
Cvarious cures have been found for ALD
Dthe oil really works as a cure for ALD
正确答案： A解析：
本文讲的是如何挽救一个生病的孩子。第一段讲的是小男孩Lorenzo不幸患上了罕见的疾病ALD。第二段讲的是虽然医生和医药公司都放弃了，父母仍然在寻找治疗方案。第三段主要是讲了Lorenzo的父母找到了一种治疗方案。第四段讲的是这种治疗方法被最终证明是有效的。由此可知本文主要是围绕“该药确实可以治疗ALD病症”来写的，D选项为正确选项。 -
第12题：
单选题Unless the conservator can find a way to protect the photographs in the archives from light and air, these precious historical documents have deteriorated and will continue to do so both in color and in fine detail.Ahave deteriorated and will continue to do so
Bwill continue to deteriorate
Chave been and will continue to deteriorate
Dwill continue to deteriorate, as they already have,
Ewill be deteriorating yet more
正确答案： E解析：
A、C、D三项的表述与句意不符；E项不符合习惯表达，故本题应选B项。 -
第13题：
It can be inferred from the text that public services
A have benefited many people.
B are the focus of public attention.
C are an inappropriate subject for humor.
D have often been the laughing stock.
正确答案：D
-
第14题：
From this passage we know that ______.
A. every American cannot have guns
B. only soldiers and police can have guns
C. every American citizen can own guns
D. teachers have no money to buy guns
正确答案：C50．答案为C。从最后一段可知，学生拥有枪支情况非常严重。
-
第15题：
Space is a dangerous place,not only because of meteors but also because of rays from the sun?and other stars.The atmosphere again acts as our protective blanket on earth.Light gets through,and?this is essential for plants to make the food which we eat.Heat,too,makes our environment endurable.Various kinds of rays come through the air from outer space,but enormous quantities of radiation from the sun are screened off.As soon as men leave the atmosphere they are exposed to this radiation.But their spacesuits or the walls of their spacecraft,if they are inside,do prevent a lot of radiation damage.
Radiation is the greatest known danger to explorers in space.The unit of radiation is called"rein".Scientists have reason to think that a man can put up with far more radiation than 0.1 rem?without being damaged;the figure of 60 rems has been agreed on.The trouble is that it is extremely?difficult to be sure about radiation damage—a person may feel perfectly well,but the cells of his or?her sex organs may be damaged,and this will not be discovered until the birth of deformed(畸形的)children or even grandchildren.Missions of the Apollo flights have had to cross belts of high radiation?and,during the outward and return journeys,the Apollo crew accumulated a large amount of rems.So?far,no dangerous amounts of radiation have been reported,but the Apollo missions have been quite?short.We simply do not know yet how men are going to get on when they spend weeks and months?outside the protection of the atmosphere,working in a space laboratory.Drugs might help to decrease?the damage done by radiation,but no really effective ones have been found so far.
It can be inferred from the passage that__A.the Apollo mission was very successful
B.protection from space radiation is no easy job
C.astronauts will have deformed children or grandchildren
D.radiation is not a threat to well-protected space explorers答案：B解析：【考情点拨】推理判断题。【应试指导】由最后一句“Drugs might…but no?really effective ones have been found So far．”可知，目前人类还没有找到有效的方法去避免辐射的危害，所以免受辐射危害并非易事，故选B。 -
第16题：
It can be inferred from the last paragraph of the passage that the chairperson who resigned from the panel to develop a coordinated federal program for radiation regulation most likely did so because( )A.he or she disagreed with the findings of the Senate committee
B.regulatory efforts have been balked by disputes，confusion，and bureaucratic delays
C.he or she supported the position of the National Academy of Sciences Committee and opposed regulation of radiation exposure
D.he or she was disorganized and inconsistent in chairing the panel答案：B解析：推断题。由最后一段可知：对辐射的定期监管杂乱无章、支离破碎，且没有连续性，而且这些监管的特点有互相推诿和官僚主义导致的延误等。故本题选B。参考译文：辐射有三种自然来源：环境中的放射性物质，如土壤、岩石或建筑材料，宇宙射线，以及人体内的物质，如骨骼中的放射性钾以及组织中的放射性碳。这些来源使美国人每年暴露在大约100毫雷姆的辐射下。人造辐射的最大单一来源是医用X射线，虽然大多数科学家认为，医用X射线造成的危害远没有武器试验产生的放射尘的危害大，因为锶90和碳14会融合到体内，而这种辐射会伴随人的一生。然而，这种看法绝不是没有争议的。近20年来人们进行了大量的测试，关于低水平辐射影响的争议也从未间断，这开始于1958年联合国科学委员会原子辐射影响研究小组发布的一项报道，该小组在报道中称“即使是最小量的辐射也可能造成有害基因或躯体效应”。英国的一项调查证实，曾用X射线治疗脊椎关节炎的病人感染癌症的概率异常得高。另一项研究显示，如果母亲接受了产前骨盆X射线辐射，孩子患癌症的概率会非常高。这些研究表明，人类有必要重新审视这一假设：即接触低线性能量转移后，罹患癌症的风险也很小。近日，为生产专用于核武器的钚的西海岸工厂的已故员工们做的一次死亡证明表明，这些人死于胰腺癌、骨髓癌和淋巴系统癌的概率远高于正常人群。虽然美国国家科学学术委员会将这种差异归因于化学因素或其他环境因素而不是辐射，但是其他科学家依然认为，任何辐射接触，无论多小，都会增加患癌症的风险。一些科学家认为，一雷姆的剂量如果持续多代的话，婴儿出生时患有严重基因缺陷的风险会增加1个百分点，也有可能导致每百万个新生儿中就有1 000个基因紊乱。同时，定期监管杂乱无章、支离破碎，且没有连续性，而且这些监管具有互相推诿和官僚主义导致的延误等特点。一份参议院的报告总结称，管辖权的争议和混乱使得相关部门和机构共同监管、协调参与变得不太可能。一家联邦机构在努力获得足够的资金和人力以加强执行现有辐射法律方面一直未成功，而专门为发展协调一致的联邦项目而建立的专家组主席也辞职了。 -
第17题：
单选题The passage specifically states that __________.Adirect experiences are more valuable than indirect ones
Bwhatever attitudes a child learns in school have already been introduced at home
Cteachers should always conceal their own attitudes
Dteachers can sometimes have an unwholesome influence on children
正确答案： C解析：
文中文中最后一段第一句提到“a teacher must constantly evaluate her own attitudes, because her influence can be deleterious if she has personal prejudices.”(老师必须不断地评估自己的态度，因为如果她带有个人偏见，那么她的影响便是有害的)，由此可见文章明确指出了老师有时也会对学生造成不良影响，故答案选D。 -
第18题：
单选题It can be inferred from the passage that the author would NOT have considered which of the following a luxury (line 44) in her hostel?AAn elevator
BWell-built accoutrements
CPrivacy
DA room with a view
EA restaurant
正确答案： A解析：
文中作者提到“the room met her basic physical needs but did not offer any comfort or luxury”，A，B，C，E项都是这个房间所没有的，文中提到房间里有一扇门通向阳台，阳台下是个公园，故选D项。 -
第19题：
单选题The last sentence of the passage “You rent a company” means that ______.Ayou have to be responsible for the company
Byou should obey the rules set by the company
Cyou can enjoy all-round services of this company
Dyou may choose the best car from the company
正确答案： C解析：
本题是语义题。从文章最后一段的第一句话“we have driving and touring guides for almost …. ”可知。我们公司的服务覆盖全国。A“你要对公司负责”，B“你必须遵守公司的规章”，D“你可以挑选公司最好的车”，均不正确。正确答案为C。 -
第20题：
单选题It can be inferred from the passage that _____A“mental cosmetics” is already a reality.
Ba new generation of mind-enhancing drugs may be a near future.
CRitalin and Modafinil have no mind-enhancing properties.
Dcognitive enhancers have been developed perfectly.
正确答案： A解析：
推理判断题。本文简单介绍了这种新一代药物的功用和优点，但很多问题还仅仅是设想，这种药物还没有被正式研发出来，不过科学家对此抱有极大的信心，此外，文章的第二段也说到“Powerful stimulants that improve memory, intellectual agility or other aspects of mental performance will almost certainly be developed over the next 20 years.”即这种新药会在20年内研发出来，所以正确答案为B。 -
第21题：
单选题It can be inferred from the passage that ______.Amalaria and yellow fever have been reported this year
Bno new cases of smallpox have been reported this year
Csmallpox victims no longer die when they contract the disease
Dsmallpox is not transmitted from one person to another
正确答案： D解析：
推断题。第四段首句提到“到1978年4月世界卫生组织已隔离了所知的最后一个病例”。该段最后两句指出“如今，天花已不再对人类构成威胁。全球范围内也已停止了对天花疫苗的常规注射”。由此可以选项B推断正确。 -
第22题：
单选题It can be inferred from this passage that ______.Aairlines used to offer additional benefits to passengers who volunteered to be bumped
Bvolunteering to be bumped is always a lucrative deal
Cwhen you are bumped to a different flight you usually have to wait only a few minutes
Doverbooking flights is a growing practice in the airline industry
Efree－flight vouchers have fewer limitations than do vouchers for only a specified dollar amount
正确答案： B解析：
文中提到志愿乘坐晚一点的航班得到的报酬没有原来丰厚了，故选A项。 -
第23题：
单选题Which of the following is INCORRECT according to the passage?ACognition enhancers may be used as coffee as today.
BIt could become as common as a cup of coffee.
CIt may help people sleep more efficiently.
DThis kind of drugs is as tasty as coffee.
正确答案： D解析：
推理判断题。作者把这种药物和咖啡比较，是为了说明这种药物会非常普遍，就像现在的咖啡，但没有说它和咖啡一样美味，所以选D。 -
第24题：
单选题From this passage we know that ______.Aevery American cannot have guns
Bonly soldiers and police can have guns
Cevery American citizen can own guns
Dteachers have no money to buy guns
正确答案： B解析：
推理判断题。文章主要说明由于对枪支的管制不严，导致学生能随便携带枪支进校，因而发生了很多暴力事件，所以可以推断，在美国公民是可以持有手枪的。故C项正确。