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[主观题]

To reduce power consumption of your computer, the following methods are recommended by the author ex

To reduce power consumption of your computer, the following methods are recommended by the author except ______.

A.setting the computer to go to sleep after periods of inactivity

B.shutting it down at night when power is most expensive

C.setting different parts of the computer to sleep at different times

D.setting the hard drive to sleep after 30 minutes of inactivity

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更多“To reduce power consumption of your computer, the following methods are recommended by the author ex”相关的问题

第1题

Inflatable mirrors are used to reduce the weight of the space-based solar power system.A.R

Inflatable mirrors are used to reduce the weight of the space-based solar power system.

A.Right

B.Wrong

C.Not mentioned

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第2题

To reduce carbon emission fast in the world, the author suggests______.A.capturing and seq

To reduce carbon emission fast in the world, the author suggests______.

A.capturing and sequestering CO2 in the air

B.building more nuclear power plants

C.planting more trees to absorb CO2

D.burying burnt crop waste into the field

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第3题

Financial intermediaries can substantially reduce transaction costs because their large si
ze allows them to take advantage of______.

A.poorly informed consumers

B.standardization

C.economies of scale

D.their market power

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第4题

The author's main point is that ______.A.it is impossible to attain national self sufficie

The author's main point is that ______.

A.it is impossible to attain national self sufficiency

B.the varying productivity of the various industries leads to the inequalities in wages of workers in these industries

C.a policy that draws labor from the fields of greater natural productiveness to fields of lower natural productiveness tends to reduce purchasing power

D.the government ought to subsidize C and D

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第5题

From the last paragraph of the passage, which of the below measures were not from the Agri
cultural Adjustment Act?

A.It gave the Secretary of Agriculture the power to reduce production through voluntary agreements with farmers who were paid to take their land out of use.

B.A deliberate scarcity of farm products was planned in an effort to raise prices.

C.Flood-control measures.

D.Guaranteed loans were given by the government to farmers so that they could buy farm machinery, hybrid grain, and fertilizers.

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第6题

Which of the following statements are correct about the test of ZXCTN6200?()
A.The average optical power of the optical interface is measured as follows. One end of the pigtail is connected to the light emitting interface of the optical board and the other end is connected to the input interface of the optical power meter. After the optical power becomes stable, read the value, which is the transmitting optical power of the optical interface.

B.The average optical power of the optical interface is measured as follows. One end of the pigtail is connected to the light receiving interface of the optical board and the other end is connected to the input interface of the optical power meter. After the optical power becomes stable, read the value, which is the transmitting optical power of the optical interface.

C.The sensitivity and overload indicator of optical interface are measured as follows. Increase the adjustable optical attenuator gradually and observe the critical value when the optical interface generates an error code. Record the optical power value at this time, which is the sensitivity.

D.The sensitivity and overload indicator of optical interface are measured as follows. Reduce the adjustable optical attenuator gradually and observe the critical value when the optical interface generates an error code. Record the optical power value at this time, which is the overload indicator.

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第7题

The Price of Idleness1.Electrical devices such as CD players, vidoes and burglar alarms ar

The Price of Idleness

1.Electrical devices such as CD players, vidoes and burglar alarms are consuming more energy in standby mode than when they are actually being used.

2.Maria Sanchez and her colleagues from the Lawrence Livermore National Laboratory in Berkeley, California, tested more than 50 small electrical applicances, from computers to doorbells, electric mowers, VCRs, and pool pumps. In the current issue of Energy Policy, they report that about half of all consumer electronics energy is used in standby mode. This costs American consumers $1 billion a year in wasted energy.

3.The researchers say that while electronic devices are lying dormant(休眠状态),running their clocks, maintaining internal memories or displaying their settings, they consume aroud 40 terawatt hours of electricity in the U.S. every year--enough to power a city such as Chicago or London. Many machines use almost as much power on standby as when working. For example, it takes 15 watts to play a typical CD, but an average of 11 watts to keep it on standby. Satellite TV systems use 14 watts when active and 14 watts on standby. Given the long hours these systems spend idling, each uses far more power in standby mode than when actually working.

4."Bad design is largely to blame," says Sanchez. In a separate survey of CD players last year, her colleague Wolfgang Huber found that two machines with similar features used 28 watts and 2 watts respectively on standby. "For most products, we believe that standby power can be reduced to one watt or less," says Sanchez.

5.She backs proposals to set up a national labeling system to promote machines that meet this standard. Such a system could reduce standby power consumption in the U.S. by 50 per cent, says coauthor Alan Meier--more than 20 terawatt hours per year. Last month, electronics company Philips announced the launch of a device that can dramatically reduce the power used in standby mode.

A Factors Leading to Energy Waste

B Home Appliances

C Propsals to Cut Energy Consumption

D Energy Consumption Test

E Terawatt Hours

F Nonessential Electricity Use

Paragraph 2 ______

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第8题

Bright ideas for cutting the electricity expenses Cutting domestic electricity costs is g
etting more important for many homes since electricity costs have climbed inexorably higher over the past few years. Here are a few ideas for cutting electricity expenses. 1. Use extra blankets instead of having the heater on at night. Once youre snug under the covers, you dont really need artificial heat unless you live in a state where the temperatures drop below freezing. 2. Wash only full loads in the dishwasher and washing machine. A lot of electricity and water is wasted on small loads. 3. Use power strips to turn off multiple devices. Power strips can include a switch to turn all devices on and off. 4. Replace incandescent light bulbs with florescent light bulb, which has the same brightness and use less energy, without replacing light fixtures. Use the motion sensor to reduce the usage of electricity in non-working areas where the light is not constantly used, such as the storage or closet.

What is NOT mentioned as a way to limit energy consumption?

A.Caulking windows with flashing tape.

B.Washing only full loads in the washing machine.

C.Using more blankets at night.

D.Using power strips to turn off multiple devices.

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第9题

Wind EnergyWind energy development has been thriving both in the United States and around

Wind Energy

Wind energy development has been thriving both in the United States and around the world. This reflects not only the declining cost of the resource and the improved performance of wind power plants, but also a growing awareness among utilities and other potential customers that this renewable energy technology offers many benefits for the economy and the environment.

Wind energy can help create new business and jobs, keep energy dollars circulating in local economies and reduce reliance on imported energy.

Wind energy can help protect utilities and ratepayers from risks associated with changing fuel prices, new environmental regulations, uncertain load growth and other unpredictable COSTS.

Wind energy can reduce a utility's pollutant emissions, helping power companies meet environmental regulations and satisfy their customers desire for clean power sources.

In the past, these benefits were not enough to outweigh the significant costs and technological uncertainties associated with wind energy; now that the technology has proven reliable and competitive, however, they are .beginning to carry more weight. The greatest challenge for the future is to ensure that the benefits of wind energy continue to receive attention as the utility industry moves toward increased competition in the generation and marketing of power.

How does wind energy contribute to the economy?

Electricity is an essential ingredient of our modern way of life: it runs our computers, appliances, factories and businesses. Without low-cost power, our standard of living would suffer. But electricity generation is also a major source of pollution and toxic wastes. Wind energy offers a way to meet the needs of both the economy and the environment by providing a source of clean, competitively priced power.

Wind energy helps our economy in important ways. For communities and states in which wind power facilities are located, wind power plants create jobs, generate income and support economic development. Several studies have established that wind energy produces more Jobs per dollar invested or per kilowatt-hour generated than most conventional resource. A New York study, for example, found that producing 10 million kilowatt-hours of electricity from wind energy generates 27 percent more jobs in the state than producing the same amount of energy from an advanced coal plant and 66 percent more jobs than from a natural gas combined-cycle power plant, One reason is that much of the expense for fossil-fuel plants is incurred from buying fuel, which supports fewer jobs than other industry sectors, especially when the fuel is imported from other states or countries.

Wind power plants als0 pay substantial property taxes and land rents. A typical rent payment is a small percentage of a plant's revenues, implying that a wind plant located in an agricultural area can boost cropland rents and prices by as much as 50 percent to 100 percent. For the most part, farming operations can continue unaffected.

States and communities with the foresight to invest in wind energy can reap another benefit by fostering a home-grown wind industry that can export power to other regions. The market for wind power worldwide is growing rapidly. New companies that capture this market will develop in areas where substantial wind development already is occurring. Until the late 1980s, this was mainly California; recently, however, the United States has ceded(转让) its early lead in wind development to European competitors. Prudent investments in the domestic wind market can help reverse this trend.

What are the advantages of wind power plants?

Most consumers like to avoid risk: The chance that something they need, no matter how inexpensive today, will become much more costly tomorrow. Fixed-rate mortgages owe much of their popularity to th

A.Y

B.N

C.NG

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第10题

【R5】A. MORE THAN WILL POWER. B. SUPPORT NETWORK. C. CHANGING YOUR ENVIRONMENT. D. START

【R5】

A. MORE THAN WILL POWER.

B. SUPPORT NETWOR

K.

C. CHANGING YOUR ENVIRONMENT.

D. START SLOW.

E. FIRST THINGS FIRST. WE ALL KNOW THAT BREAKING A BAD HABIT OR ESTABLISHING A NEW, HEALTHY ONE CAN BE DIFFICULT, BUT PERSISTENCE PAYS OF

F. RESEARCHERS AT THE UNIVERSITY OF WASHINGTON FOUND THAT 63 PERCENT OF THOSE WHO MADE NEW YEAR"S RESOLUTIONS WERE STILL KEEPING THEIR RESOLUTION TWO MONTHS LATER. IT"S NOT GOING TO BE EASY, BUT THERE ARE WAYS TO INCREASE YOUR WILL POWER, STAY RESOLVED AND ACHIEVE YOUR GOALS. 【R1】______ DON"T TRY TO RESTRUCTURE YOUR FINANCES, WIN A PROMOTION AND LOSE WEIGHT ALL ON THE SAME MORNIN

G. ESTABLISH ONE CLEAR, SPECIFIC GOAL AND FORMULATE A REALISTIC STRATEGY FOR ACHIEVING IT. EXTRA WILL POWER SOMETIMES REQUIRES EXTRA ENERGY, SO DON"T STRETCH YOURSELF TOO THI

N. FOCUS ON ONE GOAL AT A TIM

E. 【R2】______ MOMENTUM BUILDS GRADUALLY, AND WHATEVER YOUR GOAL, DON"T EXPECT TO ACHIEVE IT OVERNIGHT. REAL SUCCESS TAKES TIM

E. IF YOU ARE TRYING TO KICK A CAFFEINE HABIT, START BY REPLACING YOUR MORNING CUP OF COFFEE WITH A GLASS OF WATER, INSTEAD OF VOWING NEVER TO DRINK COFFEE A-GAI

N. CONGRATULATE YOURSELF ON THE SMALL ACHIEVEMENTS THAT WILL PAVE THE WAY TOWARD A LARGER ON

E. THESE SUCCESSES HELP YOUR WILL POWER GROW. 【R3】______ BOLSTER YOUR WILL POWER BY TAPPING INTO A SUPPORT NETWOR

K. ASK FRIENDS, FAMILY OR COLLEAGUES FOR ASSISTANCE AND TELL THEM EXACTLY HOW THEY CAN HELP. IF YOUR CREDIT CARD BILLS HAVE SKYROCKETED, FOR INSTANCE, LET FRIENDS KNOW THAT YOU ARE CUTTING BACK ON EXPENSES. SUGGEST HAVING A POTLUCK DINNER INSTEAD OF MEETING AT AN EXPENSIVE RESTAURANT. FIND A SUPPORT GROUP OR ORGANIZATION RELATED TO YOUR GOAL AND ATTEND THEIR MEETINGS. YOU CAN GET VALUABLE ADVICE, UNDERSTANDING AND INFORMATION—ALL OF WHICH INCREASE COMMITMENT AND WILL POWER. 【R4】______ IF POSSIBLE, ALTER YOUR ENVIRONMENT TO REDUCE TEMPTATION OR ENCOURAGE POSITIVE BEHAVIOR. WANT TO GET IN SHAPE? KEEP AN EXTRA SET OF WORKOUT CLOTHES IN YOUR OFFICE AS A REMINDER TO STOP BY THE GYM ON THE WAY HOM

E. QUITTING SMOKING? AVOID BARS OR RESTAURANTS WHERE YOU MIGHT BE TEMPTED TO LIGHT UP. 【R5】______ SOMETIMES CHANGING YOUR BEHAVIOR. REQUIRES MORE THAN WILL POWER. IF YOU ARE STRUGGLING WITH AN ADDICTION OR WANT TO MAKE A SIGNIFICANT LIFESTYLE. CHANGE, SEEK THE GUIDANCE AND SUPPORT OF A PROFESSIONAL. AN EXPERT MAY BE ABLE TO PROVIDE INTENSIVE SUPPORT AND FOLLOW-UP OR PRESCRIBE MEDICATION TO REDUCE PHYSICAL SYMPTOMS. FOR EXAMPLE, WITHOUT HELP ONLY 5 PERCENT OF SMOKERS CAN QUIT BUT THAT NUMBER RISES TO 30 PERCENT WHEN PEOPLE SEEK BOTH DRUG THERAPY AND COUNSELIN

G. SOMETIMES WILL POWER IS A LOT LIKE THE TELEVISION REMOTE CONTROL—HARD TO FIND JUST WHEN YOU WANT IT MOST. WHETHER YOU"RE TRYING TO LOSE WEIGHT, STOP SMOKING, GO TO THE GYM REGULARLY, WIN A PROMOTION OR PAY OFF SOME DEBTS, DEVELOPING YOUR SENSE OF WILL POWER IS AN IMPORTANT PART OF CHANGING ANY BEHAVIOR.

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