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How to understand the difference between meaning，concept，connotation and denotation？ 如
何理解意义、概念、内涵、外延等相互问的区别？
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更多“How to understand the differen…”相关的问题
Why do some people need to learn a skill in school？
A．They need to make money to support themselves and their family.
B．They need to learn a skill in order to become great scientists.
C．They need to understand how important education is.
听力原文： How do the birds manage to find their way？ There seems to be no single answer: they use many methods. Some we are beginning to understand; and there may be some that depend on abilities we have not yet suspected. Many birds certainly follow major geographical features. Migrants follow recognized land, fly over familiar sea and arrive at their summer homes.
But all birds cannot use such straightforward methods. An Arctic sea bird, for example, has to fly at least 3,000 kilometers across the Antarctic Ocean with no land to guide it. We know that some birds flying at night, navigate by the star for on cloudy nights they tend to get lost.
Day-flying birds may use the sun. If they are to do so, they must have a precise sense of time. Still others appear to be able to use the earth' s magnetic field as a guide. So it seems that many migrating birds must carry in their brains a clock, a compass and the memory of a map.
(33)
A．They use many different methods.
B．All birds follow major geographical features.
C．All birds use their memory of a map.
D．We have no information about this.
听力原文： Hi, there. Let me make a brief introduction of the brain first.
The brain tells the other parts of the body what to do. We think with our brain. We understand the world around us with our brain. However, doctors don't know much about how the brain works. Doctors can do many things with other parts of the body.
They can give a person a new heart. They can put an arm back on 'after it has been cut off. It is easy to study some parts of the body. However, it is difficult to know how the brain works. It is most difficult to work on a brain. If the brain is without enough blood for three to five minutes, the brain dies. So when doctors work on the brain, they only have three to five minutes to do their work] Doctors try new things on the brain, but they must be very careful. The brain is the center of those things that make us what we are.
Which of the following can't doctors do？
A．They can give a person a new heart.
B．They can give a person a new brain.
C．They can put an arm back on after it has been cut off.
A. Because he wasted his time.
B. Because he couldn't understand the woman's explanation.
C. Because he watched only one program.
D. Because he was so bored.
Read the whole article after ________.
[A] you have got all the information about the problem
[B] you understand the title
[C] you have read one paragraph after another
[D] you are clear about what to be discussed
—How about ______ Christmas evening party？
—I should say it was ______ success.
A) a, a B) the, a C) a, / D) the, /
