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提问人:网友ake240 发布时间:2022-01-07
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Although【21】______ circuits made computers smaller, the processing units still consisted【2

Although 【21】______ circuits made computers smaller, the processing units still consisted 【22】______ a number of circuits on separate chips. In 1971, an engineer working for Intel realized that a 【23】______ of circuits commissioned for an electronic calculator could all be put 【24】______ one chip, and that the resulting device could be used 【25】______ a general-purpose "computer on a chip". The result was the Intel 4004 -- the world's first microprocessor. Physically, it consisted of a silicon chip in a protective ceramic capsule, with a set of metal pins sticking 【26】______ that connected it to other components in whatever 【27】______ it controlled. It 【28】______ 2,300 transistors, 【29】______ 60,000 operations per second, and could be used for any device -- including computers and robots -- that required a "brain" for accepting 【30】______ and following a program of 【31】______ to produce an output. Within five years, many very powerful microprocessors had 【32】______ .The invention of microprocessors 【33】______ the stage for the arrival of the microcomputer, or personal computer (PC)-- an affordable machine for 【34】______ The first PCs, in kit form, appeared in the mid 1970s, and by the mid-1980s machines such as the Apple Macintosh and those based 【35】______ a PC first 【36】______ by IBM in 1981 were popular throughout the world. The success of these machines led to an explosion of software, in 【37】______ a range of spreadsheet, word-processing, graphic, educational, and games programs. Since the 1980s, a number of strong-intertwined themes have 【38】______ the computer revolution forward, including a continuing increase in the processing power and decrease in the size and cost of PCs; a switch of emphasis from 【39】______ to linked machines, as evidenced by the growth of local area networks and the Internet; and the spread of computer applications into virtually every 【40】______ of home and business life.

【21】

A.integral

B.comprehensive

C.integrated

D.general

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更多“Although【21】______ circuits made computers smaller, the processing units still consisted【2”相关的问题
第1题
On April 20, 2000, in Accra, Ghana, the leaders of six West African countries declared the
ir intention to proceed to monetary union among the non-CFA franc countries of the region by January 2003, as first step toward a wider monetary union including all the ECOWAS countries in 2004. The six countries 【21】______ themselves to reducing central bank financing of budget deficits 【22】______ 10 percent of the previous years government 【23】______ ; reducing budget deficits to 4 percent of the second phase by 2003; creating a Convergence Council to help 【24】______ macroeconomic policies; and 【25】______ up a common central bank. Their declaration 【26】______ that, "Member States 【27】______ the need 【28】______ strong political commitment and 【29】______ to 【30】______ all such national policies 【31】______ would facilitate the regional monetary integration process."

The goal of a monetary union in ECOWAS has long been an objective of the organization, going back to its formation in 1975, and is intended to 【32】______ broader integration process that would include enhanced regional trade and 【33】______ institutions. In the colonial period, currency boards linked sets of countries in the region. 【34】______ independence, 【35】______ , these currency boards were 【36】______ , with the 【37】______ of the CFA franc zone, which included the francophone countries of the region. Although there have been attempts to advance the agenda of ECOWAS monetary cooperation, political problems and other economic priorities in several of the region's countries have to 【38】______ inhibited progress. Although some problems remain, the recent initiative has been bolstered by the election in 1999 of a democratic government and a leader who is committed to regional 【39】______ in Nigeria, the largest economy of the region, raising hopes that the long-delayed project can be 【40】______ .

【21】

A.committed

B.devoted

C.adjusted

D.attributed

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第2题
听力原文:The institution of marriage is universal although the customs may vary from count

听力原文: The institution of marriage is universal although the customs may vary from country to country. In the United States boys and girls date freely starting in their teens. They can meet their future mates in many different ways. Sometimes they are introduced by a mutual friend; mid sometimes they meet each other in school, at a party, or at work. Today, they are sometimes matched by a computer which acts as a mechanical matchmaker, The average age of marriage for women in the United States is 20 - 21 and for men 22 - 23. When they are ready to get married, the bride's family is supposed to pay for all the cost of wedding, the reception, and the bride's trousseau. All the groom is supposed to pay for is the marriage license, the wedding ring, and the bride's bouquet.

A couple must get a civil license to marry, and then they can be married either in a civil or a religious ceremony. After the marriage ceremony, there is often a reception and then the couple leaves on their honeymoon. When they return, the newly married husband and wife move into their own home.

(30)

A.American wedding.

B.The institution of marriage in the U.S.

C.An English wedding.

D.The marriage ceremony in the U.S.

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第3题
Vitamins are organic compounds necessary in small amounts in the diet for the normal growt
h and maintenance of life of animals, including man.

They do not provide energy,【21】do they construct or build any part of the body. They are needed for【22】foods into energy and body maintenance. There are thirteen or more of them, and if【23】is missing a deficiency disease becomes【24】.

Vitamins are, similar because they are made of the same elements--usually carbon, hydrogen, oxygen, and【25】nitrogen. They are different【26】their elements are arranged differently, and each vitamin【27】one or more specific functions in the body.

【28】enough vitamins is essential to life, although the body has no nutritional use for【29】vitamins. Many people,【30】, believe in being on the "safe side" and thus take extra vitamins. However, a well-balanced diet will usually meet all the body's vitamin needs.

(36)

A.either

B.so

C.nor

D.never

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第4题
Nowadays, people work longer hours than they used to, but are they really working harder t
han ever before? Apparently, many people believe that the more time a person spends on work,【21】she or he accomplishes. However, the connection between time and【22】is not always【23】. In fact, many studies indicate that after a certain point, anyone's productivity and creativity begin to【24】. Furthermore, it is not always easy for individuals to【25】that their performance is falling off.

Part of the problem is understandable. When【26】evaluate employees, they often consider the amount of time spent on the job【27】performance. Employees know this. Consequently, they work longer hours and【28】less vacation time than they did several years ago. Although many working people can do their job effectively during a【29】40-hour-work week, they feel they have to spend more time on the job after normal working hours so that they can let the people who can【30】them see it.

(66)

A.the better

B.the less

C.the more

D.the most

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第5题
Ⅲ. Cloze (20 points) Directions: For each blank in the following passage, there are fo

Ⅲ. Cloze (20 points)

Directions: For each blank in the following passage, there are four choices marked A, B, C and D. Choose the one that is most suitable and mark your answer by blackening the corresponding letter on the answer sheet.

Vitamins are organic compounds necessary in small amounts in the diet for the normal growth and maintenance of life of animals, including man.

They do not provide energy, 21 do they construct or build any part of the body. They are needed for 22 foods into energy and body maintenance. There are thirteen or more of them, and if 23 is missing a deficiency disease becomes 24 .

Vitamins are, similar because they are made of the same elements--usually carbon, hydrogen, oxygen, and 25 nitrogen. They are different 26 their elements are arranged differently, and each vitamin 27 one or more specific functions in the body.

28 enough vitamins is essential to life, although the body has no nutritional use for 29 vitamins. Many people, 30 , believe in being on the "safe side" and thus take extra vitamins. However, a well-balanced diet will usually meet all the body's vitamin needs.

21. A. either

B. so

C. nor

D. never

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第6题
Large lecture classes are frequently regarded as a necessary evil. Such classes (21) be of

Large lecture classes are frequently regarded as a necessary evil. Such classes (21) be offered in many colleges and universities to meet high student (22) with limited faculty resource, (23) teaching a large lecture class can be a (24) task. Lecture halls are (25) large, barren, and forbidding. It is difficult to get to know students. Students may seem bored in the (26) environment and may (27) read newspapers or even leave class in the middle of a lecture. Written work by the students seems out of the (28) .

Although the challenges of teaching a large lecture class are (29) , they are not insurmountable. The solution is to develop (30) methods of classroom instruction that can reduce, if not (31) , many of the difficulties (32) in the mass class. In fact, we have (33) at Kent State University teaching techniques which help make a large lecture class more like a small (34) .

An (35) but important benefit of teaching the course (36) this manner has involved the activities of the teaching assistants who help us mark students' written work. The faculty instructor originally decided to ask the teaching assistants for help (37) this was the only practical way to (38) that all the papers could be evaluated. Now those (39) report enjoying their new status as "junior professors", gaining a very different (40) on college education by being on the other side of the desk, learning a great deal about the subject matter, and improving their own writing as a direct result of grading other students' papers.

A.should

B.will

C.can

D.have to

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第7题
At the Kyoto conference on global warming in December 1997, it became abundantly clear how
complex it has become to work out international agreements relating to the environment because of economic concerns unique to each country. It is no longer【21】to try to forbid certain activities or to reduce【22】of certain substances. The global challenges of the inter-link between the environment and development increasingly【23】us to the core of the economic life of states. During the late 1980s we were able, through international agreements, to make deep【24】in emissions【25】the ozone layer. These reductions were made possible【26】the harmful substances could be replaced【27】negative effects on employment and the economies of states.

Although the threat of global warming has been known to world for decades, we know that the effects of measures,【28】harsh measures taken in some countries, would be nullified if【29】 countries do not control their emissions. Important and populous low- or medium-income countries are not【30】willing to undertake legal commitments about their energy uses. We must,【31】 find a solution to the threat of global warming early in the 21st century. Such a【32】would require a degree of shared vision and common responsibilities new to humanity. Success lies in the force of imaginations, in imagining what【33】if we failed to act. Although many living in cold regions would welcome the global-warming effect of a warmer summer,【34】would cheer arrival of the【35】tropical diseases, especially where there has been none.

(51)

A.possible

B.enough

C.right

D.a secret

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第8题
Types of Organisational CultureThere is more than one(21)of organisational culture in the

Types of Organisational Culture

There is more than one (21) of organisational culture in the corporate world. This doesn't mean strong versus (22) although those are certainly two general categories for organisational culture.

While different theorists and different companies even might have differing opinions on the types of organisational cultures out there, there is a general consensus (23) four different types of organisational culture. Most companies or corporations in their style. or plan can fall (24) one of these four general types.

One type of organisational culture is the "tough-guy culture" or "macho culture." One of the most common aspects of the tough-guy or macho culture is the quick feedback and (25) rewards. The pace can be break-neck at times, but the obvious reward of the action is seen very quickly.

Another type of organisational culture is the "work hard/play hard" organisational cul ture. This type of organisational culture that doesn't (26) a lot of risks, but it does take a few, and all receive fast feedback. This is something most likely to be seen in a very large company which is dependent on strong customer service.

A third type of organisational culture is the "bet your company culture." This is a type of company where huge decisions are made over high stakes endeavors. In this type of cultuure, the (27) results of these decisions may not be seen for months or (28) years.

A fourth type of organisational culture is the "process culture." A process culture is most often found in organisations where there is actually no feedback. This is (29) a good culture. In this type of organisational culture people are so obsessed (30) the process of how things are done that the focus is lost on what the goal is. Process organisational culture is a synonym for bureaucracy.

(21)

A.types

B.type

C.kinds

D.ways

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