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更多“The two most important Christian religious festivals are Christmas which commemorates the Birth of J…”相关的问题
Why are the lives of plants not well-known to most people？
A．Because plants are not important to people.
B．Because plants" time-scale is different from ours.
C．Because plants are not in constant motion.
D．Because it is impossible for people to know it.
A．Members have a narrow range of topics to discuss.
B．Members bring up the most important issue.
C．Members have interesting topics to discuss.
D．Members have little knowledge.
It is the author's view that in human civilization agriculture______.
A．is the most important step man has ever made
B．is only less important than the discovery of fire
C．had long been practiced since 3000B.C.
D．can be ranked in importance with the invention of machines
27 Each day we get a lot of messages from __
28 Television, radio and books are all important media of __
29 For most people television is the most important __
30 The mass media are important to us because they shape __
A our decisions and opinions
B mass communication
C our messages
D source of information
E the mass media
F sports news
根据以下内容回答题：
Adam Smith，writing in the 1770s，was the first person to see the importance of the divi-sion of labor and to explain part of its advantages．He gives as an example the process by which pins were made in England． “One man draws out the wire，another strengthens it，a third cuts it，a fourth points it，a fifth grinds it at the top to prepare it to receive the head．To make the head requires two or three distinct operations． To put it on is a separate operation，to polish the pins is another．And the important business of making pins is，in this manner，divided into about eighteen dis．tinct operations which in some factories are all performed by different people，though in others the same man will sometimes perform. two or three of them．”Ten men，Smith said，in this way turned out twelve pounds of pins a day or about 4 800 pins a piece．But if all of them had worked separately and independently without division of labor，they certainly could not have made twenty pins in a day and perhaps not even one． There can be no doubt that division of labor is an efficient way of orgnizing work．Fewer people can make more pins．Adam Smith saw this but he also took it for granted that division of labour is in itself responsible for economic growth and development and that it accounts for the difference between expanding economies and those that stand still．But division of labor adds nothing new，it only enables people to produce more of what they already have．
According to the passage，Adam Smith w‘as the first person to__________．
A.take advantage of the division of the labor
B.introduce the division of labor into England
C.understand the effects of the division of labor
D.explain the causes of the division of labor
What is the most probable relationship between the two speakers？
A．Colleagues.
B．Lovers.
C．Classmates.
D．Friends.
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