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[主观题]

One reason human beings can thrive in all kinds of climates is that they can control the q

ualities of the air in the enclosed spaces in which they live. Air conditioning is the use of mechanical systems to 【C1】______ that control in such places 【C2】______ homes, offices, theaters, institutions, factories, airplanes, and automobiles. The most familiar type of air conditioning is summertime cooling., Although important, this is 【C3】______ one of several aspects of air conditioning. Other applications 【C4】______ the control of the humidity (or air moisture), cleanliness, circulation of the air, and heating.

Tests have 【C5】______ that people generally feel best 【C6】______ certain temperature, humidity, and air velocity conditions. Temperatures can 【C7】______ from 21.5°C with 70 percent relative humidity to 28°C with 30 percent relative humidity. Relative humidity is the 【C8】______ of moisture in the air 【C9】______ a specific temperature compared 【C10】______ the amount it could hold at that temperature. 【C11】______ air velocities range from 4.5 to 10.5 meters per minute. It is also desirable that an air conditioner 【C12】______ dust, pollen, smoke, and odors from the air.

In many industrial environments, air conditioning is essential. Most print shops, for example, 【C13】______ . constant humidity in order to control paper shrinkage and 【C14】______ the 【C15】______ operation in some processes. Libraries, especially ones With rare books, require air control to 【C16】______ the physical quality of their collections. Bakeries and the tobacco and cotton industries require high humidity 【C17】______ their products, and perishables such as fruits must be stored in cool, dry rooms. Some electronic components, drugs, and chemicals must be manufactured 【C18】______ the air is as free as possible 【C19】______ dust and other particles. Air conditioning is 【C20】______ in hospitals, especially in operating rooms.

【C1】

A．achieve

B．avail

C．amount to

D．assign

提问人：网友xxhacker 发布时间：2022-01-07

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更多“One reason human beings can th…”相关的问题

第1题

The conclusion of this passage is that ______.A．belief is the real reason us apartB．belief

The conclusion of this passage is that ______.

A．belief is the real reason us apart

B．belief is universal and every human is as human as we are

C．belief separated people from one another and leads people to become enemies

D．belief is based on gaining wealth, power, wisdom at others' expense

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第2题

Which ONE of the following concepts is related to the understanding of American Romanticis

m？

A．Survival of the fittest

B．indifference of the universe

C．exaltation of emotion over reason

D．the human beast

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第3题

According to the passage, what is one reason that domesticated animals differ from their w

ild ancestors？

A．Wild animals find food easily, but domesticated animals must work for food.

B．Domesticated animals live near humans, so they forget their wild ancestors.

C．Animals' evolutionary responses in captivity differ from those in the wild.

D．More animals survive in human environments than in wild environments.

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第4题

He is opposed （to) the project （for the reason) why it is not （feasible) （for the time bei

He is opposed (to) the project (for the reason) why it is not (feasible) (for the time being).

A．to

B．for the reason

C．feasible

D．for the time being

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第5题

Throughout history gold has been important in human society. Men【36】for it. People have su

ffered great hardships searching【37】it. They have gone to the distant corners of the earth【38】to find a great fortune. A kind of madness【39】people when they think about gold.

For centuries, starting in ancient times, gold was most【40】found mixed with sand in streams.

This is one reason【41】even early humans used it. They could find it without using tools to dig it【42】the ground. It was also valuable to【43】because it is very soft. It is one of the softest 【44】and also one of the heaviest. It is easy to work into jewelry and【45】decorations. It is beautiful and lasts forever.

(36)

A．have died

B．have been dying

C．have been died

D．are dying

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第6题

One Good Reason to Let Smallpox LiveIt's now a fair bet that we will never see the total e

One Good Reason to Let Smallpox Live

It's now a fair bet that we will never see the total extinction(灭绝) of the smallpox(天花) virus. When smallpox was completely got rid of in the world, scientists wanted to 【51】______ the killer virus in the last two labs—one in the US and one in Russia. They asked: If smallpox has truly gone from the planet, 【52】______ point was there in keeping these reserves？

In reality, of course, it was naive to 【53】______ that everyone would let go of such a powerful potential weapon. Undoubtedly several nations still have 【54】______ vials (小药瓶). And the last "official" stocks of live virus bred mistrust of the US and Russia, 【55】______ no obvious gain.

Now American researchers have 【56】______ an animal model of the human disease, opening the 【57】______ for tests on new treatments and vaccines (疫苗). So once again there's a good reason to 【58】______ the virus—just in 【59】______ the disease puts in a reappearance.

How do we 【60】______ with the mistrust of the US and Russia？【61】______. Keep the virus 【62】______ international support in a well-guarded UN laboratory that's open to all countries. The US will object, of course, just as it 【63】______ a multilateral (多边的) approach to just about everything. But it doesn't mean the idea is 【64】______. If the virus is useful, then let's 【65】______ it the servant of all humanity, not just a part of it.

A．destroy

B．improve

C．change

D．transport

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第7题

Questions 31～35 are based on the following passage. For most thinkers since the Greek p

hilosophers, it was self-evident that the re is something called human nature, something that constitutes the essence of man. There were various views about what constitutes it, but there was agreement that such an essence exists—that is to say, that there is something by virtue of which man is man. Thus man was defined as a rational being, as a social animal, an animal that can make tools, or a symbol-making animal.

More recently, this traditional view has begun to be questioned. One reason for this change was the increasing emphasis given to the historical approach to man. An examination of the history of humanity suggested that man in our epoch is so different from man in previous times that it seemed unrealistic to assume that men in every age have had in common something that can be called “human nature.” The historical approach was reinforced, particularly in the United States, by studies in the field of cultural anthropology （人类学）. The study of primitive peoples has discovered such a diversity of customs, values, feelings, and thoughts that many anthropologists arrived at the concept that man is born as a blank sheet of paper on which each culture writes its text. Another factor contributing to the tendency to deny the assumption of a fixed human nature was that the concept has so often been abused as a shield behind which the most inhuman acts are committed. In the name of human nature, for example, Aristotle and most thinkers up to the eighteenth century defended slavery. Or in order to prove the rationality and necessity of the capitalist form. of society, scholars have tried to make a case for acquisitiveness, competitiveness, and selfishness as innate （天生的） human traits. Popularly, one refers cynically to “human nature” in accepting the inevitability of such undesirable human behavior. as greed, murder, cheating and lying.

Another reason for skepticism about the concept of human nature probably lies in the influence of evolutionary thinking. Once man came to be seen as developing in the process of evolution, the idea of a substance which is contained in his essence seemed untenable. Yet I believe it is precisely from an evolutionary standpoint that we can expect new insight into the problem of the nature of man.

第31题：The traditional view of “human nature” was strongly challenged by ________.

A．the emergence of the evolutionary theory

B．the historical approach to man

C．new insight into human behavior.

D．the philosophical analysis of slavery

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第8题

One Good Reason to Let Smallpox LiveIt's now a fair bet that we will never see the total e

One Good Reason to Let Smallpox Live

It's now a fair bet that we will never see the total extinction of the smallpox virus. The idea was to cap the glorious achievement of 1980, when smallpox was eradicated in the wild, by destroying the killer virus in the last two labs that are supposed to have it — one in the US and one in Russia. If smallpox had truly gone from the planet, what point was there in keeping these reserves？

(51)reality, of course, it was naive to(52)that everyone would let(53)of such a potent potential weapon. Undoubtedly several nations still have(54)vials.(55)the last "official" stocks of live virus bred mistrust of the US and Russia,(56)no obvious gain.

Now American researchers have(57)an animal model of the human disease, opening the(58)for tests on new treatments and vaccines. So once again there's a good reason to(59)the virus — just in(60)the disease puts in a reappearance.

How do we(61)with the mistrust of the US and Russia？(62). Keep the virus(63)international auspices in a well-guarded UN laboratory that's open to all countries. The US will object, of course, just as it rejects a multilateral approach to just about everything. But it doesn't(64)the idea is wrong: If the virus(65)useful, then let's make it the servant of all humanity — not just a part of it.

A．In

B．On

C．At

D．For

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第9题

Despite the fact that today viruses are known to cause cancer in animals and in certain p

lants, where exists a great reluctance 【M1】______ to accept viruses as been of importance in human cancer. Basic 【M2】______ biological phenomena generally does not differ strikingly as 【M3】______ one goes from one species to other. It should be recognized that 【M4】______ cancer is a biological problem and not a problem that is unique for man. Cancer originates when a normal cell suddenly becomes a cancer cell which multiplies widely and with apparent restraint. 【M5】______ Cancer cells originate in many different kinds of cell, but the cancer cell usually continues to carry certain traits of the cell of origin. The transformation of a normal cell to a cancer cell may 【M6】______ have more than one kind of cause, but theres good reason to consider the relationships exist between viruses and cancer. Since theres no evidence which human cancer, as generally 【M7】______ experienced, is infectious, many person believe that because 【M8】______ viruses are infectious agents, they can possibly be of important in 【M9】______ human cancer. Furthermore, viruses and examples are known in which a virus never kills its host can mutate to form. a new strain 【M10】______ of virus that always kills its host. It does not seem unreasonable to assume that an innocuous latent virus might mutate to form. a strain that causes cancer.

【M1】

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第10题

听力原文： In many businesses, computers have largely replaced paperwork, because they are

fast and do not make mistakes. Many banks put advertisements in the newspaper showing that their business deals are "untouched by human hands" and therefore safe from human temptation. Obviously, computers have no reason to steal money. But the growing number of computer crimes shows they can be used to steal. Computer criminals don't use guns. And even if they are caught, it is hard to punish them because there are no witnesses and often no evidences. A computer cannot remember who used it; it simply does what it is told. One clerk at a New York City bank used a computer to steal more than one and a half million dollars in just four years. No one noticed this because he moved money from one account to another. Each time a customer he had robbed questioned the balance in his account, the clerk claimed a computer error, then replaced the missing money from someone else's account. This clerk was caught only because he was gambling. When the police broke up an illegal gambling operation, his name was put in the records. Most computer criminals have been minor employees. But police wonder if this is true. As one official say, "I have a feeling that there is more crime out there than we are catching. What we are seeing now is all so poorly done. I wonder what the real experts are doing--the ones who really know how a computer works."

(30)

A．Computers are fast.

B．Computers do not often provide evidences or witnesses.

C．Computers can replace paperwork.

D．Computers are safe from human temptation.

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