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单选题
Since the beginning of this century, more and more scientists have become interested in the way how the human brain works.
A
Since the beginning
B
have become
C
in
D
the way how
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更多 “单选题Since the beginning of this century, more and more scientists have become interested in the way how the human brain works.A Since the beginningB have becomeC inD the way how” 相关考题
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To google is now in broad usage as a verb for retrieving information from the intemet.If the tech giant has its way,"I Googled"will become a standard reply to the question,How did you get here?"On May 28th Google said it would build 100 prototype driverless cars without pedals,steering wheel or controls.It is the next stage in its apparent quest to be as popular on the road as on computer screens.People have dreamed about driverless motoring since at least the 1930s,but only in recent years have carmakers such as Mercedes-Benz and volvo given the matter more thought kitting out test cars with the sensors and sophisticated software required to negotiate busy roads.Google has roared ahead by designing a driverless car from the ground up.But bringing autonomous motoring to the world is proving harder than Google had envisaged
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共用题干
第一篇Why Don ' t Babies Talk Like Adults?Over the past half-century,scientists have settled on two reasonable theories related to babytalk.One states that a young child's brain needs time to master language,in the same way that it does to master other abilities such as physical movement. The second theory states that a child's vocabulary level is the key fac-tor. According to this theory,some key steps have to occur in a logical sequence before sentence formation occurs.Children's mathematical knowledge develops in the same way.In 2007,researchers at Harvard University,who were studying the two theories,found a clever way to test them.More than 20,000 internationally adopted children enter the U.S.each year. Many of them no lon- ger hear their birth language after they arrive,and they must learn English more or less the same way infants do一that is,by listening and by trial and error. International adoptees don't take classes or use a dictionary when they are learning their new tongue and most of them don't have a well-developed first language.All of these factors make them an ideal population in which to test these competing hypotheses about how language is learned.Neuroscientists Jesse Snedeker,Joy Geren and Carissa Shafto studied the language development of 27 children adopted from China between the ages of two and five years.These children began learning English at an older age than US natives and had more mature brains with which to tackle the task.Even so,just as with American-born infants,their first English sentences consisted of single words and were largely bereft（缺 乏的）of function words , word endings and verbs. The adoptees then went through the same stages as typical American-born children,though at a faster clip.The adoptees and native children started combining words in sentences when their vocabulary reached the same sizes,further suggesting that what matters is not how old you are or how mature your brain is,but the number of words you know.This finding一that having more mature brains did not help the adoptees avoid the toddler-talk stage一 suggests that babies speak in babytalk not because they have baby brains,but because they have only just started learning and need time to gain enough vocabulary to be able to expand their conversations.Before long,the one-word stage will give way to the two-word stage and so on. Learning how to chat like an adult is a gradual process.But this potential answer also raises an even older and more difficult question.Adult immigrants who learn a second language rarely achieve the same proficiency in a foreign language as the average child raised as a native speaker. Researchers have long suspected there is a"critical period"for language development,after which it cannot proceed with full success to fluency.Yet we still do not understand this critical period or know why it ends.What does the Harvard finding show?A:Not all toddlers use babytalk.B:Some children need more conversation than others.C:Language learning takes place in ordered steps.D:Not all brains work in the same way.
考题
共用题干
第一篇Why Don ' t Babies Talk Like Adults?Over the past half-century,scientists have settled on two reasonable theories related to babytalk.One states that a young child's brain needs time to master language,in the same way that it does to master other abilities such as physical movement. The second theory states that a child's vocabulary level is the key fac-tor. According to this theory,some key steps have to occur in a logical sequence before sentence formation occurs.Children's mathematical knowledge develops in the same way.In 2007,researchers at Harvard University,who were studying the two theories,found a clever way to test them.More than 20,000 internationally adopted children enter the U.S.each year. Many of them no lon- ger hear their birth language after they arrive,and they must learn English more or less the same way infants do一that is,by listening and by trial and error. International adoptees don't take classes or use a dictionary when they are learning their new tongue and most of them don't have a well-developed first language.All of these factors make them an ideal population in which to test these competing hypotheses about how language is learned.Neuroscientists Jesse Snedeker,Joy Geren and Carissa Shafto studied the language development of 27 children adopted from China between the ages of two and five years.These children began learning English at an older age than US natives and had more mature brains with which to tackle the task.Even so,just as with American-born infants,their first English sentences consisted of single words and were largely bereft（缺 乏的）of function words , word endings and verbs. The adoptees then went through the same stages as typical American-born children,though at a faster clip.The adoptees and native children started combining words in sentences when their vocabulary reached the same sizes,further suggesting that what matters is not how old you are or how mature your brain is,but the number of words you know.This finding一that having more mature brains did not help the adoptees avoid the toddler-talk stage一 suggests that babies speak in babytalk not because they have baby brains,but because they have only just started learning and need time to gain enough vocabulary to be able to expand their conversations.Before long,the one-word stage will give way to the two-word stage and so on. Learning how to chat like an adult is a gradual process.But this potential answer also raises an even older and more difficult question.Adult immigrants who learn a second language rarely achieve the same proficiency in a foreign language as the average child raised as a native speaker. Researchers have long suspected there is a"critical period"for language development,after which it cannot proceed with full success to fluency.Yet we still do not understand this critical period or know why it ends.What is the writer's main purpose in Paragraph 2?A:To reject the view that adopted children need two languages.B:To argue that culture affects the way children learn a language.C:To give reasons why adopted children were used in the study.D:To justify a particular approach to language learning.
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__we have finished the text,we shall start doing more revision exercises．A.For now
B.Since that
C.Now that
D.By now
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The employees?more enthusiastic about their work since their pay rose．A.Are
B.have been
C.Were
D.will be
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To Google is now in broad usage as a verb for retrieving information from the intemet.If the tech giant has its way,"I Googled"will become a standard reply to the question,"How did you get here?"On May 28th Coogle said it would build 100 prototype driverless cars without pedals,steering wheel or controls.It is the next stage in its apparent quest to be as popular on the road as on computer screens.People have dreamed about driverless motoring since at least the 1930s,but only in recent years have carmakers such as Mercedes-Benz and Volvo given the matter more thought,kitting out test cars with Lhe sensors and sophisticated software required lo negoliate busy roads.Google has roared ahead by designing a drivedess car from the ground up.But bringing autonomous motoring to the world is proving harder than Google had envisaged.
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Compared with other areas of our social lives,we tend to boast far more on social media.For instance,few of us will stand on a neighborhood corner and declare how accomplished we are or how much we love our spouse.On Facebook,however,we have no uneasiness about routinely posting photographs of intimate family gatherings,foreign vacations,and fancy meals.What's more,many of us share boasts with hundreds or even thousands of social media connections,with little knowledge or concern about who's seeing them or what effect it has on them.Despite the risk of negative effects,we can't help boasting on social media because,as psychologists have argued,boasting satisfies fundamental human motives of creating a favorable first impression with strangers,and building a positive image among those who know us.In our vast social media spheres,boasting is also a good way,or even possibly the only way,to attract attention.
考题
资料：Demystifying how social and human-like robots work is vital so that we can understand and shape how they will affect our future, Dr Hatice Gunes will tell the Hay Festival next week. (1)
Fear mongering and myth-making about human-like and social robots is stopping us from engaging with the technology behind them and having an input into how they—and we—evolve, says Hatice Gunes, Associate Professor at University of Cambridge's Computer Laboratory. (2)
Dr Gunes will be speaking about her research at the Hay Festival on 1st June and says we need to move beyond sensationalist portrayals of human-like robot. Her Hay talk will centre on human robot interaction [ HRI] and how it can be used for our benefit, for instance, for helping children with autism learn how to read expressions and to stimulate the senses of elderly people in care. (3)
Dr Gunes will outline how HRI works. She says it has to be believable in order to be effective. That means robots’ appearance is very important. This is what has driven the development of humanoid robots with arms and aspects of a human face which can behave in a human-like way, for instance, moving their arms, legs and eyes. However, more important than appearance is their behaviour and emotional expressivity. Dr Gunes refers to the way we relate to Disney’s animated characters. “People believe in them because they can portray emotion,” she says. (4)
To achieve expressivity requires an understanding of how human emotions are portrayed and triggered. Scientists have been working on artificial emotional intelligence which enables new technology such as embodied agents and robots to both express and detect emotions, understanding non-verbal cues. Dr Gunes cites the work of Charles Darwin on the visual nature of emotions and how they can be mapped to various changes in facial expressions. (5)
Her research investigates how humanoids can be programmed not only to extract and respond to facial clues to emotions, but also to understand the context in which those emotions are expressed. That means they will be able to offer a response that is sensitive to specific contexts. (6)
Will robots ever be able to have emotions themselves though? Dr Gunes says there is no reason why not and questions what emotions are. The process of working with robots on artificial emotional intelligence unpicks the nature of our emotions, showing them to be a layering of different goals, experiences and stimuli. (7)
Another area which scientists are looking at in their quest to improve humanoids’ believability is personality. Dr Gunes has done a lot of work on personality in telepresence robotics, robots controlled remotely by a human—a kind of 3D avatar. These can be used in many ways, for instance, by medical staff to offer remote home care. The medical person can be based anywhere and operate the robot through a virtual headset. Dr Gunes is interested in how people react to the teleoperator (the human controlling the robot remotely) who is present in robot form. Once again, both the robot’s physical appearance and behaviour are important and research shows that their personality needs to be task dependent. (8)
Dr Gunes says there remain some big challenges for scientists working on HRI, including how to process and combine all the different data they are gathering, how to modify their appearance and behaviour dynamically, and how to keep their power going 24/7. The major challenges, however, are to do with breaking down some of the myths and fears people have about humanoids. (9)
Part of this is because they don’t understand the benefits humanoid robots can bring and why, for instance, they need to take on a human form and understand emotions. She says humanoids can be positive in terms of increasing trust and engagement among certain groups, such as the elderly; that humans tends to anthropomorphise technology in any event; and that robots can be programmed to be limited to positive emotions that promote altruism. (10)
“People tend to love or hate robots, but they don’t really know a lot abouA.it is not meaningful for robots to have the appearance of human
B.people who make the appearance of robots very human-like should be blamed
C.people need to pay more attention to the development of robots’functions
D.the appearance of robots has become more and more emotional
考题
单选题—How are you feeling?—I have been feeling better since _____.A
the doctor has comeB
the doctor will comeC
the doctor had comeD
the doctor came
考题
单选题Over five times more studies on life satisfaction have been published since 1979 than at any time_____A
formallyB
agoC
previouslyD
lately
考题
单选题Since the beginning of this century, more and more scientists have become interested in the way how the human brain works.A
Since the beginningB
have becomeC
inD
the way how
考题
单选题Since many insects have already become（）to DDT, scientists have to look for some new insecticideA
activeB
resistantC
toughD
gradual
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单选题How many more decades will have to pass ______ scientists succeed in providing a cure for cancer?A
whenB
beforeC
sinceD
until
考题
单选题（）the survivors known more of how to cope with cold water in the sinking of MV Titanic in 1912 countless lives（）.A
Have／could have been savedB
Have／could have savedC
Had／could has savedD
Had／could have been saved
考题
判断题Recently, people have more and more confidence in the government because of its works.A
对B
错
考题
单选题We may infer from the fourth paragraph that ______.A
humans have been growing food crops more than ten thousand years.B
humans have learned how to produce biofuels for a long time.C
humans are just on the beginning of making biofuels.D
a cell wall includes four hemicellulose.
考题
单选题The best way to collect things is ______.A
to have a special albumB
to buy more stamps and ticketsC
to exchange them with your friends
考题
单选题In ______ drills, the students change a given structure in a way so that they are exposed to other similar structures, which also helps them have a deeper understanding of how the structures are formed and how they are used.A
substitutionB
transformationC
comprehensionD
communicative
考题
单选题In________ drills, the students change a given structure in a way so that they are exposed to other similar structures, which also helps them have a deeper understanding of how the structures are formed and how they are used.A
substitutionB
transformationC
comprehensionD
communicative
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