题目内容
（请给出正确答案）
A、English is a subject-prominent language.
B、English is a topic-prominent language.
C、English tends to focus on the communication of meaning.
D、The understanding of the English sentences relies more on the context.
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更多“Some researchers think that .”相关的问题
91 Listening involves more than hearing sounds. The good listener
A. Repeats some of the things said
B. Finishes the speaker's sentences
C. Writes everything down
D. Nods his head frequently
In the 1950s, the pioneers of artificial intelligence(AI)predicted that, by the end of this century, computers would be conversing with us at work and robots would be performing our house work. But as useful as computers are, they're nowhere close to achieving anything remotely resembling these early aspirations for humanlike behavior. Never mind something as complex as conversation: the most powerful computers struggle to reliably recognize the shape of and object, the most elementary of tasks for a ten-month-old kid.
A growing group of AI researchers think they know where the field went wrong. The problem, the scientists say, is that AI has been trying to separate the highest, most abstract levels of thought, like language and mathematics, and to duplicate them with logical, step-by-step pro grams. A new movement in AI, on the other hand, takes a closer look at the more roundabout way in which nature came up with intelligence. Many of these researchers study evolution and natural adaptation instead of formal logic and conventional computer programs. Rather than digital computers and transistors, some want to work with brain cells and proteins. The results of these early efforts are as promising as they are peculiar , and the new nature-based AI movement is slowly but surely moving to the forefront of the field.
Imitating the brain' s neural (神经的) network is a huge step in the right direction, says computer scientist and biophysicist Michael Conrad, but it still misses an important aspect of natural intelligence. "People tend to treat the brain as if it were made up of color-coded transistors," he explains. "But it's not simply a clever network of switches. There are lost of important things going on inside the brain cells themselves. "Specifically, Conrad believes that many of the brain's capabilities stem from the pattern-recognition proficiency of the individual molecules that make up each brain cell. The best way to build an artificially intelligent device, he claims, would be to build it around the same sort of molecular skills.
Right now, the notion that conventional computers and software are fundamentally incapable of matching the processes that take place in the brain remains controversial. But if it proves true, then the efforts of Conrad and his fellow Al rebels could turn out to be the only game in town.
The author says that the powerful computers of today ______.
A．are capable of reliably recognizing the shape of an object
B．are close to exhibiting humanlike behavior
C．are not very different in their performance from those of the 50's
D．still cannot communicate with people in a human language
Researchers have found that REM(rapid eye movement)sleep is important to human beings. This type of sleep generally occurs four or five times during one night of sleep lasting five minutes to forty minutes for each occurrence. The deeper a persons sleep becomes, the longer the periods of rapid eye movement. There are physical changes in the body to show that a person has changed from NREM(non-rapid eye movement)to REM sleep. Breathing becomes faster, the heart rate increases, and, as the name implies, the eyes begin to move quickly. Accompanying these physical changes in the body there is a very important characteristic of REM sleep. It is during REM sleep that a person dreams.
According to the passage, how often does REM sleep occur in one night？
A．Once.
B．Twice.
C．Four or five times.
D．Forty times.
Man: Is there anything I can do？ I'd like to help in some way if I can.
Woman: I can't think of anything at the moment.
Question: What does the woman mean？
A．She wants to help the man find the way.
B．She can't think of anything she wants to do for the man.
C．She is at a loss as to what to do at the moment.
D．She kindly declined the man's offer.
Some researchers ____________ (完全忽视那些事实)as though they never existed.
A．Y
B．N
C．NG
Some researchers did another survey after the Gallop poll．
A．Right
B．Wrong
C．Not mentioned
A．Y
B．N
C．NG
To invent the language clock the researchers studied and compared ______.
A．tile pronunciation of language in different years
B．the spelling of some languages in different centuries
C．the vocabulary of languages in different times
D．the grammar of some languages in different times
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