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Resource efficiency means reducing the environmental impact of the consumption and production of goods and services. The doing more with less slogan indicates the focus on more outputs with fewer impacts. Efficiency gains do not guarantee that the overall outcome stays within the ecological carrying capacity of the Earth. Influencing the demand side is therefore another prerequisite for sustainable development.It is indeed timely to recognize that the world cannot achieve sustainable, economic growth with old fashioned consumption and production patterns. Companies will have to accelerate the trends of polluting less and of designing, producing and marketing better products and services. Consumers have to get used to the fact that environmental concerns are as important in their daily choices as considerations of price, convenience and quality. And governments and civil society have a key role to play in inspiring such a process.
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更多 “问答题Resource efficiency means reducing the environmental impact of the consumption and production of goods and services. The doing more with less slogan indicates the focus on more outputs with fewer impacts. Efficiency gains do not guarantee that the overall outcome stays within the ecological carrying capacity of the Earth. Influencing the demand side is therefore another prerequisite for sustainable development.It is indeed timely to recognize that the world cannot achieve sustainable, economic growth with old fashioned consumption and production patterns. Companies will have to accelerate the trends of polluting less and of designing, producing and marketing better products and services. Consumers have to get used to the fact that environmental concerns are as important in their daily choices as considerations of price, convenience and quality. And governments and civil society have a key role to play in inspiring such a process.” 相关考题
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Though the efficiency of the late－20th century desktop computer once () the technical community, the much more advanced personal computer now surpasses the older machines.
A、acceleratedB、embarrassedC、definedD、astounded
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In the writer's view, the more new goods there are,______.A. the less pollution we haveB. the harder pollution can be done away withC. the more pollution there will beD. the more easily pollution can be controlled
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Many people see pollution as only. part of______.A. the environmental balanceB. our daily lifeC. the consumption of goods by manD. the whole process of industrial production and consumption of goods
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By high degree of () of a culture, it means that few people on the top of a society hold a lot of power which is more or less accepted by others.
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Which statement can be inferred from this article?A．If a worker is doing very boring work, he will ask for more money surely.B．Sometimes money doesn"t work so as to improve the productivity.C．Workers prefer freedom when producing.D．Diversity of jobs can improve the work efficiency.
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Which two statements describe the advantages to the use of RIP over the use of OSPF?()
A.RIP requires less time to convergeB.RIP uses less bandwidthC.RIP is less complex to configureD.RIP demands fewer router resourcesE.RIP has a more accurate metric
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4． A fat man should eat ________food and take ________ exercise．A． less，lessB． fewer，moreC． less，moreD． more， fewer
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An advantage of DC motors over AC motors is that they______.A.are less expensiveB.require less maintenanceC.can be started across the lineD.offer a more effective means of controlling speed
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Some companies have introduced flexible working time with less emphasis on pressure ____A.than more on efficiency
B.and more on efficiency
C.and more efficiency
D.than efficiency
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Which three are benefits of A virtualized data center solution over A typical implementation?（）A、simplified cablingB、more efficient routingC、fewer applications per serverD、more efficient power consumptionE、more control over each serverF、less rack space
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What two are elements of the operational-efficiency Business Challenge?（）A、Do More with lessB、Improve Business ProcessesC、Provide Flexible Channel and Delivery OptionsD、Offer Enhanced Customer Service
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（） is an inventory strategy companies employ to increase efficiency and decrease waste by receiving goods only as they are needed in the production process， thereby reducing inventory costs.A、Enterprise Resource PlanningB、Efficient Consumer ResponseC、Just in TimeD、Quick Response
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Which statement is true about the comparison of voice traffic with video traffic？（）A、video conferencing traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flowsB、latency requirements are less stringent for video traffic than for voice trafficC、video traffic is less sensitive to dropped packets than for voice trafficD、video traffic requires the retransmission capabilities of TCP whereas voice uses UDPE、video traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flowsF、voice traffic requires the retransmission capabilities of TCP whereas video uses UDP
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Which two statements describe the advantages to the use of RIP over the use of OSPF?（）A、RIP requires less time to convergeB、RIP uses less bandwidthC、RIP is less complex to configureD、RIP demands fewer router resourcesE、RIP has a more accurate metric
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Which two are elements of the operational-efficiency business challenge?（）A、improving business processesB、making existing resources more productiveC、offering enhanced customer serviceD、providing flexible channel and delivery options
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With regard to the drivers behind Application Grid based computing， consider the following statements and indicate which is TRUE:// （） I. data center complexity leads to lack of predictability making it difficult if not impossible to guarantee quality of service II. data centers must do more with less and find a way to better utilize existing capacity III. growth means added complexityA、 I and IIB、 I and IIIC、 II and IIID、 I， II and III
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单选题“On the whole,” Ms. Dennis remarked, “engineering students are lazier now than they used to be. I know because fewer and fewer of my students regularly do the work they are assigned.” The conclusion drawn above depends on which of the following assumptions?A
Engineering students are working less because, in a booming market, they are spending more and more time investigating different job opportunities.B
Whether or not students do the work they are assigned is a good indication of how lazy they are.C
Engineering students should work harder than students in less demanding fields.D
Ms. Dennis’ students are doing less work because Ms. Dennis is not as effective a teacher as she once was.E
Laziness is something most people do not outgrow.
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问答题Practice 1 The agricultural sciences deal with the challenges of food and fiber production and processing. They include the technologies of soil cultivation, crop cultivation and harvesting, animal husbandry and the processing of plant and animal products for human consumption and use. As a result of the doubled yields of some economic crops, the farm output per hour of farm work increased almost 10-fold as capital was substituted for labor. New techniques of preserving food products made possible transportation over greater distances, in turn facilitating adjustments among locations of production and consumption, with further benefits to production efficiency.
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单选题Which of the following statements is true concerning the overall efficiency of air compressors?（）A
High pressure compressors are more efficient than low pressure compressorsB
Mechanical efficiency divided by compressor efficiency will equal the overall efficiency of the compressor unitC
Two stage compressors are generally more efficient than single stage compressorsD
The volumetric efficiency is decreased in multistage compressors
考题
问答题Resource efficiency means reducing the environmental impact of the consumption and production of goods and services. The doing more with less slogan indicates the focus on more outputs with fewer impacts. Efficiency gains do not guarantee that the overall outcome stays within the ecological carrying capacity of the Earth. Influencing the demand side is therefore another prerequisite for sustainable development.It is indeed timely to recognize that the world cannot achieve sustainable, economic growth with old fashioned consumption and production patterns. Companies will have to accelerate the trends of polluting less and of designing, producing and marketing better products and services. Consumers have to get used to the fact that environmental concerns are as important in their daily choices as considerations of price, convenience and quality. And governments and civil society have a key role to play in inspiring such a process.
考题
多选题What two are elements of the operational-efficiency Business Challenge?（）ADo More with lessBImprove Business ProcessesCProvide Flexible Channel and Delivery OptionsDOffer Enhanced Customer Service
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单选题The sentence “Nature doesn’t do bailouts.” in para 2 means ______.A
governments should spend much more on environmental crisisB
nature is fragile and, once shifts, hard to shift backC
environmentalists encourage a larger share of the stimulus packageD
nature can give us more than banks
考题
多选题Which statement is true about the comparison of voice traffic with video traffic？（）Avideo conferencing traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flowsBlatency requirements are less stringent for video traffic than for voice trafficCvideo traffic is less sensitive to dropped packets than for voice trafficDvideo traffic requires the retransmission capabilities of TCP whereas voice uses UDPEvideo traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flowsFvoice traffic requires the retransmission capabilities of TCP whereas video uses UDP
考题
单选题An advantage of DC motors over AC motors is that they （）A
are less expensiveB
require less maintenanceC
can be started across the lineD
offer a more effective means of controlling speed
考题
多选题Which two statements describe the advantages to the use of RIP over the use of OSPF？（）ARIP requires less time to convergeBRIP uses less bandwidthCRIP is less complex to configureDRIP demands fewer router resourcesERIP has a more accurate metric
考题
单选题A recent study of an insurance company’s underwriters indicated that those who worked in pleasant physical surroundings were 25 percent more productive than their peers in unpleasant physical surroundings. Objective criteria for evaluating job performance included caseload and complexity of cases. This shows that improving workers’ environments increases those workers’ productivity. Which of the following, if true, most seriously weakens the conclusion above?A
On average, less-productive employees spend no fewer hours per day at their workstations than do their more-productive peers.B
Unpleasant surroundings give employees less motivation to work hard than more pleasant surroundings do.C
The more-productive employees are generally rewarded with pleasant office space.D
More-productive employees do not work any more hours than their less-productive peers.E
Peer pressure discourages employees in crowded, unpleasant surroundings from making phone calls to their own family members during work time.
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问答题Changes in the way people live bring about changes in the jobs that they do.More and more people live in towns and cities instead on farms and in villages. (1)_______Cities and states have to provide services city people want, such like more (2)_______police protection, more hospitals, and more schools. This means that morepolicemen, more nurses and technicians, and more teachers must be hired.Advances in technology, has also changed people’s lives. Dishwashers and (3) _______shing machines do jobs that were once done by the hand. The widespread use (4) _______of such electrical appliances means that there is a need for servicemen to keep it(5) _______running properly. People are earning higher wages and salaries. This leads changes in the way (6) _______of life. As income goes down, people may not want more food to eat or more (7) _______clothes to wear. But they may want more and better care from doctors, dentistsand hospitals. They are likely to travel more and to want more education.Nevertheless, many more jobs are available in these services. (8) _______ The government also affects the kind of works people do. The governments (9) _______of most countries spend huge sums of money for international defense. They (10) _______hire thousands of engineers, scientists, clerks, typists and secretaries to work onthe many different aspects of defense.
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单选题The mechanical efficiency of an engine （） because losses occur in the form of friction.A
is always less than 100%B
is always more than 100%C
is always equal to 90%D
is always less than 90%
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