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更多“In most years since The X Factor first appeared on British TV, ______has quickly reached n”相关的问题
Since these years, American adults have improved the most in ______.
A．performing math problems
B．finding information in a book
C．answering questions involved numbers
D．comparing two different newspaper commentaries
A．Visit your closest American friends first, since they are most important．
B．Visit your least closest friends first, since you know your best friends will most understand the pressure you are facing to see so many peopl
E．
Since the mid-1980s IKEA's development has been most affected by the ______ .
A．stepping down of Ingvar Kamprad as President
B．challenge of increasingly competitive market
C．way it has expanded over the last years
A．Visit your closest American friends first, since they are most important．
B．Visit your least closest friends first, since you know your best friends will most understand the pressure you are facing to see so many peopl
E．
The oldest kind of computer is the abacus, used in China since the sixth century. In the seventeenth century an adding machine was invented, but the first large, modern computer was built in 1973. A few years later a computer could do 5,000 additions per second. Now the computations are so fast that they are measured in nanoseconds.
Today most computers are stored-program computers, that is, they have a memory. They are getting smaller and smaller, and computing faster and faster. Even in a large computer, the part that does the actual computing is about the size of the end of a finger.
Computers can do all kinds of work. When someone buys something in a department store, in formation about the sale goes into a computer. A scientist can talk to the computer about the rocks, and the computer answers the questions. A doctor can talk to the computer and explains what is wrong with a patient. If the doctor asks why, the computer goes through its stored information and ex plains exactly why.
When early humans began fanning, it was a revolutionary change in human life. It was hundreds of thousands of years later that people developed a writing system. In less than fifty years people have developed computers that can do most of the things humans can do. This could be a frightening development.
The oldest kind of computer, the abacus, has been used since ______.
A．600
B．700
C．800
D．500
What is the purpose of the talk？
A．To inform. a client about a policy
B．To update executives about a project
C．To notify employees about a new policy
D．To tell new employees about the company
The Olympics began in Greece more than 2,700 years ago. The games were originally part of a religious festival in honour of the Greek Gods. Eventually, the games became the most important festival in all of Greece,
The first recorded Olympic competition was held in 776B.C. It was held in an outdoor stadium which was about 200 meters long and 30metres wide, The stadium was in a valley and about forty thousand people watched the event. The first thirteen Olympics consisted of only one race-running.
Since 776B.C.the games had been held regularly for about 1,200 years. In the year 397 the Olympics were prohibited by the Roman Emperor.
(80)It was not until 1896 that the first Olympics of modem times were held in Athens. From then on the games are held every four years regularly. The Olympics have become the world's most important athletic event and a symbol of the sporting friendship of all the people of the world.
The Olympic Games held ______.
A．each time in different city
B．mostly in Europe
C．in different cities in Greece
D．in the capitals of different countries
A．The number of marriages entered into by women twentyfive to thirty-five years old has decreased since 1940.
B．When there is a divorce, children are often given the option of deciding which parent they will live with.
C．Since 1940 the average number of children in a family has remained approximately steady and has not been subject to wide fluctuations.
D．Before 1940 relatively few children whose parents had both died were adopted into single-parent families.
E．The proportion of children who must be raised by one parent because the other has died has decreased since 1940 as a result of medical advances.
Thomas Malthus published his Essay on the Principle of Population
almost 200 years ago. Ever since then, forecasters have being warning 【M1】 ______
that worldwide famine was just around the next comer. The fast-growing
population's demand for food, they warned, would soon exceed their 【M2】 ______
supply, leading to widespread food shortages and starvation.
But in reality, the world's total grain harvest has risen steadily over the
years. Except for relative isolated trouble spots like present-day Somalia, 【M3】 ______
and occasional years of good harvests, the world's food crisis has remained 【M4】 ______
just around the comer. Most experts believe this can continue even as ff 【M5】 ______
the population doubles by the mid-21st century, although feeding l0 billion
people will not be easy for politics, economic and environmental reasons. 【M6】 ______
Optimists point to concrete examples of continued improvements in yield.
In Africa, by instance, improved seeds, more fertilizers and advanced 【M7】 ______
growing practices have more than double com and wheat yields in an 【M8】 ______
experiment. Elsewhere, rice experts in the Philippines are producing
a plant with few stems and more seeds. There is no guarantee that plant 【M9】 ______
breeders can continue to develop new, higher-yielding crop, but most 【M10】______
researchers see their success to date as reason for hope.
【M1】
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