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[主观题]

Humanity is a new experiment on planet Earth. For most of its history, life on Earth was r

estricted to the sea. Living things began to populate the land slightly over 400 million years ago. And humans have existed for no more than 3 million years.

One way to represent the evolution of life is to compress the 4. 6-billion-year history of Earth into a 1-year-long film. In such a film, Earth forms as the film begins on January 1, and through all of January and February it cools and is cratered(变成坑状) and the first oceans form. But those oceans remain lifeless until sometime in March or early April, when the first living things develop. The 4-billion-year history of Precambrian (前寒武纪) evolution lasts until the film reaches mid-November, when primitive ocean life begins to evolve into complex organisms such as trilobites(三叶虫).

If we examine the land instead of the oceans, we find a lifeless waste. But once our film shows plant and animal life on the land, about November 28, evolution proceeds rapidly. Dinosaurs, for example, appear on about December 12 and vanish by Christmas Eve, as mammals (哺乳动物) and birds flourish.

Throughout the 1 -year-run of our film there are no humans, and even during the last days of the year as the mammals rise and dominate the landscape, there are no people. On the early evening of December 31, vaguely human forms move through the grasslands, and by late evening they begin making stone tools. The Stone Age lasts until about 11:45 p. m. , and the first signs of civilization, towns and cities, do not appear until 11:54 p. m. The Christian era begins only 14 seconds before the New Year, and the Declaration of Independence is signed with one second to spare.

In comparing all of Earth's geological evolution to one calendar year, the author shows

A．just how recently humanity has arrived on the scene

B．just how simple it is to understand the history of Earth

C．just how early humanity appears on planet Earth

D．just how difficult it is to understand the history of Earth

答案

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发布时间：2022-01-22

更多“Humanity is a new experiment on planet Earth. For most of its history, life on Earth was r”相关的问题

第1题

下列程序运行的结果为：public class Example{String str=new String（"good");char[]

下列程序运行的结果为：

public class Example{

String str=new String("good");

char[] ch={'a','b','c'};

public static void main(String args[]){

Example ex=new Example();

ex.change(ex.str,ex.ch);

System.out.print(ex.str+" and ");

Sytem.out.print(ex.ch);

}

public void change(String str,char ch[]){

str="test ok";

ch[0]='g';

}

}

A. good and abc

B. good and gbc

C. test ok and abc

D. test ok and gbc

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第2题

The relationship between formal education and economic growth in poor countries is widely

misunderstood by economists and politicians alike. Progress in both areas is undoubtedly necessary for the social, political and intellectual development of these and all other societies; however, the conventional view that education should be one of the very highest priorities for promoting rapid economic development in poor countries is wrong. We are fortunate that it is, because building new educational systems there and putting enough people through them to improve economic performance would require two or three generations. The findings of a research institution have consistently shown that workers in all countries can be trained on the job to achieve radically higher productivity and, as a result, radically higher standards of living.

Ironically, the first evidence for this ides appeared in the United States. Not long ago, with the country entering a recession and Japan at its pre-bubble peak, the U.S. workforce was derided as poorly educated and one of the primary causes of the poor U.S. economic performance. Japan was, and remains, the global leader in automotive-assembly productivity. Yet the research revealed that the U.S. factories of Honda, Nissan, and Toyota achieved about 95 percent of the productivity of their Japanese counterparts—a result of the training that U.S. workers received on the job.

More recently, while examining housing construction, the researchers discovered that illiterate, non-English-speaking Mexican workers in Houston, Texas, consistently met best-practice labor productivity standards despite the complexity of the building industry's work.

What is the real relationship between education and economic development？ We have to suspect that continuing economic growth promotes the development of education even when governments don't force it. Alter all, that's how education got started. When our ancestors were hunters and gatherers 10,000 years ago, they didn't have time to wonder much about anything besides finding food. Only when humanity began to get its food in a more productive way was there time for other things.

As education improved, humanity's productivity potential increased as well. When the competitive environment pushed our ancestors to achieve that potential, they could in turn afford more education. This increasingly high level of education is probably a necessary, but not a sufficient, condition for the complex political systems required by advanced economic performance. Thus poor countries might not be able to escape their poverty traps without political changes that may be possible only with broader formal education. A lack of formal education, however, doesn't constrain the ability of the developing world's workforce to substantially improve productivity for the foreseeable future. On the contrary, constraints on improving productivity explain why education isn't developing more quickly there than it is.

The author holds in Paragraph 1 that the importance of education in poor countries ______.

A．is subject to groundless doubts

B．has fallen victim of bias

C．is conventionally downgraded

D．has been overestimated

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第3题

填入（31）处的最佳答案是（）

A.griculture

B.society

C.humanity

D.language

点击查看答案

第4题

Text 3 The relationship between formal education and economic growth in poor countries i

s widely misunderstood by economists and politicians alike progress in both area is undoubtedly necessary for the social, political and intellectual development of these and all other societies; however, the conventional view that education should be one of the very highest priorities for promoting rapid economic development in poor countries is wrong. We are fortunate that is it, because new educational systems there and putting enough people through them to improve economic performance would require two or three generations. The findings of a research institution have consistently shown that workers in all countries can be trained on the job to achieve radical higher productivity and, as a result, radically higher standards of living.

Ironically, the first evidence for this idea appeared in the United States. Not long ago, with the country entering a recessing and Japan at its pre-bubble peak. The U.S. workforce was derided as poorly educated and one of primary cause of the poor U.S. economic performance. Japan was, and remains, the global leader in automotive-assembly productivity. Yet the research revealed that the U.S. factories of Honda Nissan, and Toyota achieved about 95 percent of the productivity of their Japanese countere pants a result of the training that U.S. workers received on the job.

More recently, while examing housing construction, the researchers discovered that illiterate, non-English- speaking Mexican workers in Houston, Texas, consistently met best-practice labor productivity standards despite the complexity of the building industry’s work.

What is the real relationship between education and economic development？ We have to suspect that continuing economic growth promotes the development of education even when governments don’t force it. After all, that’s how education got started. When our ancestors were hunters and gatherers 10,000 years ago, they didn’t have time to wonder much about anything besides finding food. Only when humanity began to get its food in a more productive way was there time for other things.

As education improved, humanity’s productivity potential, they could in turn afford more education. This increasingly high level of education is probably a necessary, but not a sufficient, condition for the complex political systems required by advanced economic performance. Thus poor countries might not be able to escape their poverty traps without political changes that may be possible only with broader formal education. A lack of formal education, however, doesn’t constrain the ability of the developing world’s workforce to substantially improve productivity for the forested future. On the contrary, constraints on improving productivity explain why education isn’t developing more quickly there than it is.

31. The author holds in paragraph 1 that the important of education in poor countries ___________.

[A] is subject groundless doubts

[B] has fallen victim of bias

[C] is conventional downgraded

[D] has been overestimated

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第5题

humanity（）

A.博爱，仁慈

B.人类学

C.谦虚的，谦逊的

D.不知道

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第6题

根据下列文章，回答31～35题。 The relationship between formal education and economic growth

根据下列文章，回答31～35题。

The relationship between formal education and economic growth in poor countries is widely misunderstood by economists and politicians alike. Progress in both areas is undoubtedly necessary for the social, political and intellectual development of these and all other societies; however, the conventional view that education should be one of the very highest priorities for promoting rapid economic development in poor countries is wrong. We are fortunate that is it, because building new educational systems there and putting enough people through them to improve economic performance would require two or three generations. The findings of a research institution have consistently shown that workers in all countries can be trained on the job to achieve radically higher productivity and, as a result, radically higher standards of living.

Ironically, the first evidence for this idea appeared in the United States. Not long ago, with the country entering a recessing and Japan at its prebubble peak, the U.S. workforce was derided as poorly educated and one of the primary cause of the poor U.S. economic performance. Japan was, and remains, the global leader in automotiveassembly productivity. Yet the research revealed that the U.S. factories of Honda, Nissan, and Toyota achieved about 95 percent of the productivity of their Japanese counterparts—a result of the training that U.S. workers received on the job.

More recently, while examining housing construction, the researchers discovered that illiterate, non-English-speaking Mexican workers in Houston, Texas, consistently met best-practice labor productivity standards despite the complexity of the building industry’s work.

What is the real relationship between education and economic development？ We have begun to suspect that continuing economic growth promotes the development of education even when governments don’t force it. After all, that’s how education got started. When our ancestors were hunters and gatherers 10,000 years ago, they didn’t have time to wonder much about anything besides finding food. Only when humanity began to get its food in a more productive way was there time for other things.

As education improved, humanity’s productivity potential increased as well. When the competitive environment pushed our ancestors to achieve that potential, they could in turn afford more education. This increasingly high level of education is probably a necessary, but not a sufficient, condition for the complex political systems required by advanced economic performance. Thus poor countries might not be able to escape their poverty traps without political changes that may be possible only with broader formal education. A lack of formal education, however, doesn’t constrain the ability of the developing world’s workforce to substantially improve productivity for the foreseeable future. On the contrary, constraints on improving productivity explain why education isn’t developing more quickly there than it is.

第 31 题 The author holds in paragraph 1 that the importance of education in poor countries

A．is subject to groundless doubts.

B．has fallen victim of bias.

C．is conventionally downgraded.

D．has been overestimated.

点击查看答案

第7题

A good marriage means growing as a couple but also growing as individuals. This isn't easy

, marriage has always been difficult. Why then are we seeing so many divorces at this time？ Yes, our modem social fabric is thin, and yes the permissiveness of society has created unrealistic expectations and thrown the family into disorder. But divorce is so common because people today are unwilling to exercise the self-discipline that marriage requires. They expect easy joy, like the entertainment on TV, the thrill of a good party.

Marriage takes some kind of sacrifice, not dreadful self-sacrifice of the soul, but some level of compromise. Some of one' s fantasies, some of one' s legitimate desires have to be given up for the value of the marriage itself. "While all marital partners feel shackled(受束缚) at times, it is they who really choose to make the marital ties into confining chains or supporting bonds", says Dr. Whitaker. Marriage requires sexual, financial and emotional discipline. A man and a woman cannot follow every impulse, cannot allow himself or herself to stop growing or changing.

A divorce is not an evil act. Sometimes it provides salvation(拯救)for people who have grown hopelessly apart or were frozen in patterns of pain or mutual unhappiness. Divorce can be like the first cut of the surgeon' s knife, a step toward new health and a good life. On the other hand, if the partners can stay past the breaking up of the romantic myths into the development of real love and intimacy, they have achieved a work as amazing as the greatest cathedrals(教堂)of the world. Marriages that do not fail but improve, that persist despite imperfections, are not only rare these days but offer a wondrous shelter in which the face of our mutual humanity can safely show itself.

According to the author, an ideal marriage life______.

A．requires considerable sacrifice on both partners

B．requires that the couple be emotionally involved

C．allows for the growth of the husband and wife as a couple and as two individuals

D．is only an illusion in today's society

点击查看答案

第8题

Not until recently have we realized that the increasing world population may lead to a

potential gloomy _____ for humanity: starvation.

A、respect

B、prospect

C、aspect

D、suspect

点击查看答案

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