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Paperisdifferentfromotherwasteproducebec
Paper is different from other waste produce because it comes from a sustainable resource: trees. (21) the minerals and oil used to make plastics and metals, trees are (22) . Paper is also biodegradable, so it does not pose as much threat to the environment when it is discardeD、 (23) 45 out of every 100 tonnes of wood fibre used to make paper inAustralia comes from waste paper, the rest comes directly from virgin fibre from forests and plantations.By world standards this is a good (24) since the world-wide average is 33 percent waste paper. Governments have encouraged waste paper collection and (25) schemes and at the same time, the paper industry has responded by developing new recycling technologies that have (26) even greater utilization of used fibre. (27) , industry’s use of recycled fibres is expected to increase at twice the rate of virgin fibre over the coming years.
Already, waste paper (28) 70% of paper used for packaging and advances in the technology (29) to remove ink from the paper have allowed a higher recycled (30) in newsprint and writing paper. To achieve the benefits of recycling, the community must also (31) . We need to accept a change in the quality of paper products; (32) stationery may be less white and (33) a rougher texture. There also needs to be (34) from the community for waste paper collection programs. Not only do we need to make the paper (35) to collectors but it also needs to be separated into different types and sorted from contaminants such as staples, paperclips, string and other miscellaneous (36) .
There are technical (37) to the amount of paper which can be recycled and some paper products cannot be collected for reuse. These include paper (38) books and permanent records, photographic paper and paper which is badly contaminateD、The four most common (39) of paper for recycling are factories and retail stores which gather large amounts of packaging material (40) goods are delivered, also offices which have unwanted business documents and computer output, paper converters and printers and lastly households which discard newspapers and packaging material. The paper manufacturer pays a price for the paper and may also incur the collection cost.
A、requests
B、needsC、limitations D、problems
Itisjustoneexampleofthegrowingconcernove
It is just one example of the growing concern over the increasing power consumption and environmental impact of computers.
A、study found that the power consumption of data centers doubled between 2000 and 2005, and now accounts for 1.2% ofAmerican electricity consumption, though other estimates put the figure at 4%.Companies now spend as much as 10% of their technology budgets on energy, says Rakesh Kumar of Gartner, a consultancy.
Power consumption has increased because of the rise of the internet, of course, but also because of way in which computers have historically been designed: to maximize performance at all costs.Between 1996 and 2006, the number of servers in use went from 6 million to 28 million and the average power consumption of each server grew from 150 watts to 400 watts.But things are now starting to change and the computer industry has been seized with enthusiasm for "green computing".
X：当一种很少发生但却很严重的工业事故发生时，人们的反应是认为这种事故越来越频繁
X：当一种很少发生但却很严重的工业事故发生时，人们的反应是认为这种事故越来越频繁了。这种想法是没有道理的。毕竟，在某一把扑克中起到4张A这一稀有的事并不增加将来某把牌起到4张A的机会。 Y：正相反，该看法是合理的，因为它使人们感觉到他们以前没感受到的危险，并采取预防措施来防止类似事故在未来发生。 Y反驳X观点的企图，在下面哪一项中得到最好的描述 A、它对X所进行的类比的恰当性提出质疑。 B．它使X未能考虑人们对严重事故的反应是多么不同这一点变得很明显。 C．它将判断合理性的基础转变为对实用性的考虑。 D．它对人们为什么形成错误观点提出一种替代性的解释。 E．它对X的假设：一件事的发生足以改变人的信仰，提出了挑战。
DemocratsontheSenateJudiciaryCommitteeve
Democrats on the Senate JudiciaryCommittee vented their fury over high gasoline prices at executives of the nation’s five largest oil companies on Wednesday, grilling the oilmen over their multimillion-dollar pay packages and warning them thatCongress was intent on taking action that could include a new tax on so-called windfall profits. Such showdowns between lawmakers and oil titans have become a familiar routine onCapitol Hill.But with gas prices nearing $ 4 a gallon, and lawmakers headed home for a weeklong MemorialDay recess where they expect to get an earful from angry constituents, there is added urgency forCongress to appear active.
But while momentum is building for several measures, including a bill that would allow the Organization of the PetroleumExportingCountries to be sued inAmerican courts under antitrust laws, there is little sign that any of the proposals would do much, if anything, to lower prices quickly.And the oil executives warned that government intervention might only make things worse. Instead, they called onCongress to allow more drilling and exploration for domestic oil.
The increasing urgency to seem aggressive about gasoline prices was apparent on Tuesday when the House voted by an overwhelming 324 to 84 to approve the bill, commonly referred to as NOPEC, which classifies OPEC、as a monopoly in violation of the ShermanAntitrustAct. SenateDemocrats have included that measure as part of a package of legislation intended to address the high price of gasoline, along with the tax on windfall profits and a measure to tamp down speculation in the oil futures market that many lawmakers think is contributing to the run-up in prices.
At the JudiciaryCommittee hearing,Democratic senators struggled to have the executives explain how oil prices had risen so high. The senators expressed doubt that basic laws of supply and demand were at work and suggested instead a more sinister combination of monopolistic behavior by oil-producing countries, speculation in the futures markets and sheer corporate greeD、
On Monday, PresidentBush signed a bill temporarily suspending the purchase of crude oil for the nation’s Strategic Petroleum Reserve. Mr.Bush had initially opposed such action but relented after the House and Senate approved the bill by wide margins. Senator Richard J.Durbin,Democrat of Illinois and a strong supporter of SenatorBaraek Obama’s presidential bid, made a particularly pointed attack, in which he seemed to warn the oil executives that they would soon no longer have such a good friend in the White House. He also suggested that Mr.Bush should be doing more to press the oil companies to help lower prices at the pump, while acknowledging that it would be difficult to pass a windfall profits tax while Mr.Bush was still in office.
What can we infer form the last paragraph
[A] The nation’s Strategic Petroleum Reserve is more than adequate.
[B]Democrats argue that greedy oil companies are the key factor of jumping oil price.
[C] PresidentBush used to be reluctant to drag down the oil price.
[D] The federal law bans the windfall profits tax inBush Government.
(2003，17)在签订劳动合同时，当事人可以在合同中约定试用期，但试用期最长不
(2003，17)在签订劳动合同时，当事人可以在合同中约定试用期，但试用期最长不得超过( )。 A．3个月
B．6个月
C．9个月
D．12个月
Advancingagemeanslosingyourhair,yourwais

Advancing age means losing your hair, your waistline and your memory, rightDanaDenis is just 40 years old, but {{U}} (21) {{/U}} she’s worried about what she calls "my rolling mental blackouts." "I try to remember something and I just blank out," she says.
You may{{U}} (22) {{/U}} about these lapses, calling them "senior moments" or blaming "earlyAlzheimer’s(老年痴呆症)." Is it an inescapable fact that the older you get, the {{U}} (23) {{/U}} you remember Well, sort of.But as time goes by, we tend to blame age {{U}} (24) {{/U}} problems that are not necessarily age-relateD、
"When a teenager can’t find her keys, she thinks it’s because she’s distracted or disorganized," says Paul Gold "A、70-year-old blames her {{U}} (25) {{/U}}." In fact, the 70-year-old may have been {{U}} (26) {{/U}} things for decades.
In healthy people, memory doesn’t worsen as {{U}} (27) {{/U}} as many of us think. "As we {{U}} (28) {{/U}} , the memory mechanism isn’t {{U}} (29) {{/U}}," says psychologist FergusCraik. "It’s just inefficient."
The brain’s processing {{U}} (30) {{/U}} slows down over the years, though no one knows exactly {{U}} (31) {{/U}} Recent research suggests that nerve cells lose efficiency and {{U}} (32) {{/U}} there’s less activity in the brain.But, cautionsBarry Gordon, "It’s not clear that less activity is {{U}} (33) {{/U}} .A、beginning athlete is winded(气喘吁吁) more easily than a {{U}} (34) {{/U}} athlete. In the same way, {{U}} (35) {{/U}} the brain gets more skilled at a task, it expends less energy on it.
There are {{U}} (36) {{/U}} you can take to compensate for normal slippage in your memory gears, though it {{U}} (37) {{/U}} effort. Margaret Sewell says: "We’re a quick-fix culture, but you have to {{U}} (38) {{/U}} to keep your brain {{U}} (39) {{/U}} shape. It’s like having a good body. You can’t go to the gym once a year {{U}} (40) {{/U}} expect to stay in top form."
A．as
B．till
C．though
D．yet
已知等差数列an满足a1+a2+a3+…+a101=0，则有()．(A)a1+a
已知等差数列a_n满足a₁+a₂+a₃+…+a₁₀₁=0，则有()．
A、a₁+a₁₀₁＞0 B、a₂+a₁₀₀＜0
C、a₃+a₉₉=0 D、a₅₁=51
E、以上结论均不正确
推销员：“在销售调查中表明，80％的用户喜欢红色跑车，20％的用户喜欢蓝色跑车。
推销员：“在销售调查中表明，80％的用户喜欢红色跑车，20％的用户喜欢蓝色跑车。” 经理：“哦，这么说来，喜欢红色跑车的用户是喜欢蓝色跑车的四倍了？” 推销员：“不，还有10％的用户说他们两者都不喜欢。” 以下哪项最合理地解释了推销员话语中的表面性矛盾？() A．喜欢蓝色跑车的用户都包括在80％的喜欢红色跑车用户中。 B．调查的用户总数超过100名。 C．记录中有差错。 D．某些用户两种跑车都喜欢。 E．某些用户观点发生了变化。
WhydoweengageinphilosophyWhatisthereabou
Why do we engage in philosophy What is there about human beings that leads us to engage in reflective thought, thinking about questions which do not appear to produce practical results It could be argued that in the long run philosophical thought does produce widespread practical consequences. In the political realm, for example, the writings of John Locke significantly influenced the development ofAmerican democracy, while the theories of Karl Marx have brought into being a radically new form of government. It could also be said that what separates us from the animal world and from uncivilized human beings is just this intellectual endeavor, which could be justified as valuable even if only for its own sake.But there is a deeper reason for engaging in philosophy, and that is that we simply cannot turn away from certain questions which constantly confront us. Our human constitution or our human condition predisposes us to want to know. It was Ludwig Wittgenstein (1889-1951) ofCambridge University who compared our situation to that of a fly in a bottle. The fly is trying to get out of the bottle but does not know how. The function and aim of philosophy is to show the fly how to get out of the bottle. For us this means that, like the fly, we feel trapped and have difficulty finding our way out. In our case, this fly bottle represents certain levels of ignorance or problems and questions that are difficult to solve and we look to philosophy for help in finding our way out.
Theinventionofbothlabor-savingtoolsandto
The invention of both labor-saving tools and tools of intelligence is rarely accidental. Instead, it is usually the product of human need; (21) is truly the mother of invention. People usually devise tools to (22) for natural deficiencies. For example, people invented weapons to defend (23) from physically superior (24) .But (25) is only one incentive for inventions. People also invent (26) tools to (27) certain established tasks more efficiently. For instance, people developed the bow and arrow from the (28) spear or javelin in order to shoot (29) and strike with greater strength.
(30) civilizations developed, greater work efficiency came to be demanded, and (31) tools became more (32) .A、tool would (33) a function until it proved (34) in meeting human needs, at which point an improvement would be made. One impetus for invention has always been the (35) for speed and high-quality results--provided they are achieved (36) reasonable costs. Stone pebbles were sufficient to account for small quantities of possessions, (37) they were not efficient enough for performing sophisticated mathematics. However, beads arranged systematically evolved into the abacus. The (38) of this tool can be (39) to the development of commerce in theEast around 3000B、C、, and the abacus is known (40) by the ancientBabylonians,Egyptians,Chinese, etC、
A、enemies B、neighbors C、disastersD、animals