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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、withB、inC、for D、at
多项式f(z)除以x2+x+1所得的余式为x+3．(1)多项式f(x)除以x4+
多项式f(z)除以x²+x+1所得的余式为x+3．
(1)多项式f(x)除以x⁴+x²+1所得的余式为x³+2x²+3x+4；
(2)多项式f(x)除以x⁴+x²+1所得的余式为x³+x+2．
{{B}}Passage5{{/B}}Literatureisaformofar
{{B}}Passage 5{{/B}}
Literature is a form of art that can be enjoyed without formal instruction. However, people with {{U}} (1) {{/U}} knowledge of literature may miss a lot {{U}} (2) {{/U}} reading a novel, short story, poem, play, or {{U}} (3) {{/U}}. These readers are comparable to the {{U}} (4) {{/U}} at a football game who watch the game and {{U}} (5) {{/U}} it without really understanding the complex movements {{U}} (6) {{/U}} on the fielD、Although they may enjoy the {{U}} (7) {{/U}} , many spectators watch only the ball {{U}} (8) {{/U}}, missing entirely the contribution of other members {{U}} (9) {{/U}} tile total play as well as the intricacies occurring within the {{U}} (10) {{/U}}.A、person who understands football- {{U}} (11) {{/U}} better yet, has played the game -is more capable {{U}} (12) {{/U}} judging when a team is playing well or {{U}} (13) {{/U}} and is also likely to enjoy a "good" game more. The {{U}} (14) {{/U}} is true of reading literature. Most people have read numerous {{U}} (15) {{/U}} works, but many do not understand or {{U}} (16) {{/U}} the author’s skill in communicating. This book {{U}} (17) {{/U}} intended to help you learn to {{U}} (18) {{/U}} attention not only on what happens, but on {{U}} (19) {{/U}} it happens and how the author has {{U}} (20) {{/U}} it -to analyze and evaluate literary works so that you can fully experience and appreciate them.
A．if
B．when
C．as
D．upon
人员配备的第—个程序是：()。A．对应聘人员根据岗位标准要求进行考察，确定备选人
人员配备的第—个程序是：( )。
- A．对应聘人员根据岗位标准要求进行考察，确定备选人员
- B．确定人员的来源，即确定是从外部招聘还是从内部重新调配人员
- C．对员工的业绩进行考评，并据此决定员工的续聘、调动、升迁、降职或辞退
- D．制订用人计划，使用人计划的数量、层次和结构符合组织的目标任务和组织机构设置的要求
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".
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、imaginationB、creativity C、necessity D、illusion
TheAfricans’interestistoguardpreferentia
TheAfricans’ interest is to guard preferential export rules enshrined in the temporaryAfrican Growth and OpportunityAct, passed byCongress in 2,000. Tariff-free exports of some 6,000 goods fromAfrica to the United States are boosting trade and investment in southernAfric
A、Lesotho’s fast-growing textile industry depends almost entirely onChinese investment in factories to make clothes for sale in the United States. The region also wants more access toAmerica’s markets for fruit, beef and other agricultural goods.
American interest lies mainly in SouthAfrica, by far the largest economy in the region. Services account for 60% of its GDP, and it increasingly dominates the rest ofAfrica in banking, information technology, telecom, retail’ and other areas. Just asBritish banks, such asBarclays, have moved theirAfrican headquarters to SouthAfrica over the past year,American investors see the country as a platform to the rest of the continent.
Agreeing investment rules and resolving differences on intellectual property rights are the most urgent issues.American drug firms want to be part of the fast expansion in SouthAfrica of production of anti-retroviral drugs, used againstAIDS.By 2007 SouthAfrica alone expects 1.2m patients to take the drugs daily. The country might be the world’s biggest exporter of anti-AIDS drugs within a few years. Striking a bilateral deal now should makeAmerican investments easier.
But Mr. Zoellick’s greater concern is for multilateral trade talks that stalled inCancun, Mexico, in September.AlecErwin, his SouthAfrican counterpart, helped to organize the G20 group of poor and middle-income countries that opposed jointAmerican-EU proposals there; he is widely tipped to take over as head of the World Trade Organization late next year, and would be a useful ally.
So Mr. Zoellick is trying to charm hisAfrican partner by agreeing to drop support for most of a group of issues (known as "Singapore" issues) that jammed up the talks atCancun, and were opposed by poor countries; he says he also favors abolishing export subsidies inAmerica--though only if Japan and theEU agree to do the same. That would pleaseAfrican exporters who say such subsidies destroy markets for their goods.
Mr. Zoellick’s efforts to make more friends may be paying off.Even thoughAmerica has treatedAfrica very shabbily on trade in the past, Mr.Erwin hints it is easier doing business withAmerica than withEurope or Japan.
A、small sign, but perhaps a telling one.
British banks move their headquarters to SouthAfrica because ______.

A、SouthAfrica is a safer country compared with others inAfrica
B、SouthAfrica is gradually becoming a financial center inAfrica
C、SouthAfrica offers preferential banking terms to foreign banks
D、SouthAfrica is a platform inAfrica for theAmerican investors
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、SinceB、IfC、Now that D、As
警官：我们警官大学不再要求申请人在被接收之前通过体能测试了，结果招收了一些有心脏
警官：我们警官大学不再要求申请人在被接收之前通过体能测试了，结果招收了一些有心脏病和高血压的候选人，所以我们可以设想我们未来的警察队伍将出现更多的健康问题。以下各项都能影响警官预言的可信度，除了： A．警官候选人在加入警官队伍之前需通过高血压检查。
B．现在不健康的警官候选人当警官后可能也不健康。
C．警官学校毕业生必须通过体检。
D．现在警官候选人的健康比过去警官候选人的健康要差。
E．(E) 警官的健康能可靠地显示此警官的表现。