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在我国，某交易者在4月28日卖出10手7月份白糖期货合约同时买入10手9月份白糖期货合约，价格分别为5350元/吨和5400元/吨。5月5日该交易者对上述合约全部对冲平仓7月和9月合约平仓价格分别为5380元/吨和5480元/吨。该套利交易（）元。（白糖期货交易单位为10吨/手，不计手续费等费用）

A盈利2500

B盈利5000

C亏损5000

D亏损2500

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A. Robots have been the stuff of science fiction for so long that it is surprisingly hard to see them as the stuff of management fact. A Czech playw, Karel Capek, gave them their name in 1920 (from the Slavonic word for "work".. An American writer, Isaac Asimov, confronted them with their most memorable dilemmas. Hollywood turned them into superheroes and super villains. When some film critics drew up lists of Hollywood's 50 greatest good guys and 50 greatest baddies, the only character to appear on both lists was a robot, the Terminator.
style=color: rgb(51, 51, 51); font-family: "Microsoft YaHei"; white-space: normal; background-color: rgb(250, 250, 250);/C. America's armed forces have blazed a trail here. They now have no fewer than 12,000 robots serving in their ranks. Peter Singer, of the Brookings Institution, a think-tank ( 智囊团., says mankind' s 5,000-year monopoly on the fighting of war is breaking down. Recent additions to the battlefield include tiny "insects" that perform reconnaissance (侦查 . missions and giant "dogs" to terrify enemies. The Pentagon is also working on the EATR, a robot that fuels itself by eating whatever biomass ( 生物量 . it finds around it.
style=color: rgb(51, 51, 51); font-family: "Microsoft YaHei"; white-space: normal; background-color: rgb(250, 250, 250);/D. But the civilian world cannot be far behind. Who better to clean sewers or suck up nuclear waste than these remarkable machines? The Japanese have made surprisingly little use of robots to clear up after the recent earthquake, given their world leadership in this area. They say that they had the wrong sort of robots in the wrong places. But they have issued a global call for robotic assistance and are likely to put more robots to work shortly.
style=color: rgb(51, 51, 51); font-family: "Microsoft YaHei"; white-space: normal; background-color: rgb(250, 250, 250);/E. As robots advance into the service industries they are starting to look less like machines and more like living creatures. The Paro (made by/LIST, a Japanese research agency. is shaped like a baby seal and responds to attention. Honda's robot, ASIMO, is humanoid and can walk, talk and respond to commands.
style=color: rgb(51, 51, 51); font-family: "Microsoft YaHei"; white-space: normal; background-color: rgb(250, 250, 250);/F. Until now executives have largely ignored robots, regarding them as an engineering rather than a management problem. This cannot go on: robots are becoming too powerful and ubiquitous (无处不在的.. Companies may need to rethink their strategies as they gain access to these new sorts of workers. Do they really need to outsource production to China, for example, when they have clever machines that work ceaselessly without pay? They certainly need to rethink their human-resources policies--starting by questioning whether they should have departments devoted to purely human resources.
style=color: rgb(51, 51, 51); font-family: "Microsoft YaHei"; white-space: normal; background-color: rgb(250, 250, 250);/G. The first issue is how to manage the robots themselves. Asimov laid down the basic rule in 1942: no robot should harm a human. This rule has been reinforced by recent technological improvements: robots are now much more sensitive to their surroundings and can be instructed to avoid hitting people. But the Pentagon's plans make all this a bit more complicated: many of its robots will be, in essence, killing machines.
style=color: rgb(51, 51, 51); font-family: "Microsoft YaHei"; white-space: normal; background-color: rgb(250, 250, 250);/H. A second question is how to manage the homo side of homo-robo relations. Workers have always worded that new technologies will take away their livelihoods, ever since the original Luddites' fears about mechanised looms. That worry takes on a particularly intense form when the machines come with a human face: Capek's play that gave robots their name depicted a world in which they initially brought lots of benefits but eventually led to mass unemployment and discontent. Now, the arrival of increasingly humanoid automatons in workplaces, in an era of high unemployment, is bound to provoke a reaction.
style=color: rgb(51, 51, 51); font-family: "Microsoft YaHei"; white-space: normal; background-color: rgb(250, 250, 250);/I. So, companies will need to work hard to persuade workers that robots are productivity-enhancers, not just job-eating aliens. They need to show employees that the robot sitting alongside them can be more of a helpmate than a threat. Audi has been particularly successful in introducing industrial robots because the car maker asked workers to identify areas where robots could improve performance and then gave those workers jobs overseeing the robots. Employers also need to explain that robots can help preserve manufacturing jobs in the rich world: one reason why Germany has lost fewer such jobs than Britain is that it has five times as many robots for every 10,000 workers.
style=color: rgb(51, 51, 51); font-family: "Microsoft YaHei"; white-space: normal; background-color: rgb(250, 250, 250);/J. These two principles---don't let robots hurt or fen people--are relatively simple. Robot scientists are tackling more complicated problems as robots become more sophisticated. They are keen to avoid hierarchies (层级. among rescue-robots (because the loss of the leader would render the rest redundant.. So they are using game theory to make sure the robots can communicate with each other in egalitarian (平等. ways. They are keen to avoid duplication between robots and their human handlers. So they are producing more complicated mathematical formulae in order that robots can constantly adjust themselves to human intentions. This suggests that the world could be on the verge of a great management revolution: making robots behave like humans rather than the 20th century's preferred option, making humans behave like robots.

1.[选词填空]Robots appear more like living creatures as they enter into the service industry.

2.[选词填空]According to the Pentagon's plans, many of its robots will essentially become killing machines.

3.[选词填空]The fact that more and more human-like robots are used in workplaces will surely arouse reaction in a time of high unemployment.

4.[选词填空]Tomorrow's robots will be free to move around rather than being locked up in cages so as not to hurt people.

5.[选词填空]Companies should show their workers that robots can be more of a helper rather than a threat to them.

6.[选词填空]The example that Germany has lost fewer manufacturing jobs than Britain shows that robots can help preserve manufacturing jobs in the rich world.

7.[选词填空]Scientists are trying to enable robots to constantly adjust themselves to people's intentions.

8.[选词填空]It is not easy for people to regard robots as management stuff, for the later are mostly seen in science fictions.

9.[选词填空]Robots, who are considered as an engineering instead of a management problem, have been largely neglected by executives.

10.[选词填空]The Japanese didn't use a lot of robots to clear up after the recent earthquake, considering their word leadership in the robot field.

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某日，大豆的9月份期货合约价格为3500元/吨，当天现货市场上的同种大豆价格为3000元/吨。则下列说法中不正确的是( )。
A基差为-500元/吨
B此时市场状态为反向市场
C现货价格低于期货价格可能是由于期货价格中包含持仓费用
D此时大豆市场的现货供应可能较为充足
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能够将市场价格风险转移给( )是期货市场套期保值功能的实质。
A套期保值者
B生产经营者
C期货交易所
D期货投机者
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style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/ style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/B） The House of Representatives is the lower house of the bicameral Congress. The membership of the House is distributed among the states according to their different populations. Since 1910, the House has had a permanent membership of 435, with each Representative representing about half a million Americans. Under the principle that each state is guaranteed at least one representative, Nevada, a state with a small population. sends only one Representative to the House. California has more than 40 Representatives in the House because of its large population.
style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/C） The election of Representatives is organized by the state legislature which divides the state into a number of districts known as Congressional districts. Each district, with a population of nearly half a million, elects one Representative to the House. A Representative’s term of office is set at two years, but there is no limit to the number of his terms. A new Representative can hardly feel easy about his position. Hardly has he begun his work in the Congress when he finds it’s time for him to seek re-election.
style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/D） The Senate is the upper house of the US Congress. Representation in the Senate is based on the principle of state equality. The Senate is comprised of l00 Senators, two from each of the fifty states. Senators have been directly elected by voters of their respective states since 1913. Their term of office is six years. With one-third of the Senate seats up for election every two years. A Senator must be at least thirty years old and a citizen for nine years.
style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/ style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/E） Generally speaking, Senators are accorded greater prestige than their colleagues in the lower house. Many Representatives aspire to win the election to the Senate. Senators derive their prestige from the following facts. They are less numerous, for there are fewer than one fourth as many Senators as Representatives, or Congressmen. Elected by the whole state instead of a single congressional district, most Senators represent more constituents (选民) than do House members. They are less worried by the problem of seeking re-electives. What’s more, the Senate has special powers which it does not share with the House. It has the power to approve or deny proposed treaties, nominations proposed by the President. In line with the tradition of “senatorial courtesy (礼貌)” , the Senate always rejects a nominee who is objected to by a Senator of the state from which he comes.
style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/F） It won’t do to neglect the importance of the Senate in foreign affairs. Without its cooperation and support, the President can hardly take any significant action in foreign relations. A Secretary of State on good terms with the Senators is always important for the President. Foreign countries must try to establish good relations with the US Senate if they intend to make a bargain with the United States.
style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/ style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/G） The presiding (主持的) officer of the Senate is the Vice President who functions as a kind chairman when the Senate is in session (开会). The chief spokesman of the House is known as the Speaker who is the leader of the majority party in the House. The Speaker is the most influential figure in the House because he directs his party’s forces in legislative battles.
style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/ style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/H） The Congress is a legislative body, but it relies on its various committees to do preparatory work.. The Senate and the House have several dozen standing and special committees to deal with problems of different natures. The seats of the committees are divided between the two parties in proportion to their respective membership in the Congress. But the committee chairman is always a member of the majority party who has been in the Senate or the House without interruption for longer than anybody else on the committee. The custom is known as “seniority rule” . Most proposed laws in the Congress are known as bills. All bills introduced during a two-year congressional term are designated “HR” in the House and “S” in the Senate, with consecutive (连续的) numbers assigned in order in which they are introduced in each house. After this, the bills are referred to the relevant committees for further study.
style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/I） To assess the bill at its true worth, the relevant committee usually organizes its sub-committee to conduct detailed study. There is no doubt that the sub-committee will study the literal sense of the bill. But it also holds meetings with the citizens who want to state their opinions about the bill. These meetings are commonly known as hearings. The purpose of the sub-committee in holding these hearings is to obtain information on the bill before it. The sub-committee may summon people to appear at the hearings and to testify. After finishing study of the bill, the sub-committee will report the result to the full committee. The committee chairman then has a choice between two things. He can send the bill to the house for further consideration. He can also postpone, or kill it by putting it aside and not reporting it. For this reason, a committee chairman is regarded as an important person in the Congress. It won’t do to neglect them.
1.[选词填空]The bills are introduced to the House and the Senate before they are studied by the relevant committees.
2.[选词填空]A new Representative can hardly feel easy about his position in that he has to prepare for re-election at the start of his new job.
3.[选词填空]Since 1910, the House has had a permanent membership of four hundred and thirty-five.
4.[选词填空]Nominations proposed by the President may be disapproved by the Senate.
5.[选词填空]The seats of the committees are distributed between the two parties based on their respective membership in the Congress.
6.[选词填空]California can send more than 40 Representatives to the House because it has a large population.
7.[选词填空]If the President wants to take significant action in foreign relations, it is necessary to gain the Senate’s cooperation and support.
8.[选词填空]According to the principle of state equality, each state is represented by two Senators in the Senate.
9.[选词填空]The American two-house legislature reflects the American principle of balances and checks.
10.[选词填空]The Vice President plays the role of a kind chairman and the presiding officer when the Senate has a meeting.
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Just how much do people know about keeping their homes safe from burglary? Surprisingly, many of us make assumptions about home security that can actually increase our risk of a burglary by leaving us—and our homes—undefended. Here are some home-security myths and truths.
style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/ style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/A） A home-security system cannot stop a burglar from hitting your home. But it is a strong deterrent (威慑), making him think twice before targeting you. “Criminals have told me, when they were questioned, they had walked by three or four houses that had alarm stuck to their windows and then hit the one that didn’t,” says Const. Jim Caldwell of the Edmonton Police Service. That’s because setting off an alarm could mean a call to police. And if a thief does break in, he is less likely to make a thorough search of the house. “It’s going to be a smash-and-grab,” says Normand Fiset, president of the Quebec chapter of the Canadian Security Association. “Usually they’re in and out quickly.”
style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/ style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/B） Research indicates that your house is 12 times more likely to be broken into again within the next month. Susan Hall’s Toronto home was burglarized a few years ago. “The police told us, ‘Don’t be surprised if they come back after you’ve replaced everything,’” she says. In her case they didn’t, but nevertheless she promptly put her most sentimental possessions in a security box. Make it a priority to assess your home security and take steps to enhance it. If you do replace stolen merchandise, don’t put the packaging boxes out on display for roadside pickup.
style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/ style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/C） “A lock is only as strong as the door and the door frame,” says Const. Donald Jenkins of the Halifax Regional Police. Steel doors are a good idea, too, but look for one with a solid-wood core, not a hollow door. And consider adding a solid-steel strip to the side of the door to prevent thieves from breaking the frame with an iron bar.Other steps make a difference. Install external lighting and keep bushes trimmed around doors and windows. The more visible a thief will be while breaking into your home, the tess likely it is that he’ll try. Beware-of-dog signs and locked gates also discourage criminals. And while it may seem obvious, if you do invest in good security features, make sure you actually use them. Caldwetl recently investigated a break-and- enter case in which “the guy had the best of locks, the best of alarm systems—and none of it was engaged.”
style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/ style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/D） “Actually, the opposite is true,” says Ron Noiles, senior vice-president for personal-property insurance with Aviva Canada, a major sponsor of the Neighborhood Watch program. “Criminals look for neighborhoods where the goods are good. And those are typically the ones people believe they’re safe in.” If you take fewer safety precautions, like not locking your door, because you believe it’s unlikely you’ll suffer a break-in, you’re increasing the odds of your home becoming a target.
style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/ style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/It’s true that most thieves seek out unoccupied houses. But home burglary, in which criminals strike deliberately while people are home so they can let them in, do sometimes happen. “It is the most effective way of carrying out the theft because you know you won’t get surprised by the owners—you have them caught,” says Fiset. And when home invasions occur, almost half the homeowners end up injured, according to the Canadian Centre for Justice Statistics.
style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/ style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/E） While closed curtains at night do keep thieves from looking inside, during the day they may serve as an ideal cover for burglars. Opening curtains in daytime also makes it look as though someone is home.
style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/“There’s little I can do to reduce property crime in my neighborhood.”
style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/Police experts say that getting to know your neighbors is a huge factor in combating break-ins. “If someone sees an unfamiliar car in your driveway or people moving secretly about your property, neighbors will be more inclined to call police,” says Jenkins. Consider getting involved with a local Neighborhood Watch group, or contact your local police department to set one up.
style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/ style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/F） Statistics show that houses with alarm systems are less likely to be broken into, and if they are, less property is stolen. And there’s an added bonus—Home-insurance companies typically offer a discount on your payment once you have a security system installed. Unmonitored alarms sound a siren (警报器) inside or outside your house and, if you’re lucky, alert a neighbor to trouble. A system that is monitored (at a cost of around $30 a month) will summon the police. The Canadian Security Association’s Normand Fiset recommends having the alarm monitored rather than relying on neighbors to act. “When is the last time you considered calling the cops when you heard a car alarm’ in a parking lot?” he reasons. He also points out that more and more cities and towns are banning outside sirens, and an alarm that sounds only inside the house does little good.
style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/G） If your alarm is monitored, its signal travels to the monitoring service, usually through your phone line. Service personnel will call the police when there’s a problem, often phoning your home first to ensure it’s not a false alarm. (If it is, you simply supply your password to cancel it.) In many regions, the homeowner is accountable for a fee if police are called needlessly. The physical components of an alarm system—motion detectors, magnetic door or window contacts, control panel—can be either hard-wired through your home or connected with wireless-radio signals. Be sure to check that the company installing the alarm is a member of a professional association and has any licenses required by your city or town.
style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/H） Magnetic contact at the doors and windows and glass-break detection will trip the alarm if the perimeter(周界) of the house is crossed. The alarm will be set off before the thief has set foot inside your home. Motion detectors inside are functioned if a person moves inside the home while the system is armed. Ensure that the system you select gives the option of arming the perimeter and motion sensors separately. That way, the alarm can alert you to any breaking-in even when you are home.
style=margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);/I） If you have a pet or are considering getting one, make sure your system is designed to pick up only the motion of humans. What if a thief cuts your phone line to prevent contact with the monitoring company? Although this doesn’t happen often, some systems now offer wireless-phone support. The newest technology even uses your Internet connection to send out a burglary alert.
1.[选词填空]An alarm system usually consists of motion detectors .
2.[选词填空]Thieves will be usually discouraged by external lighting, well-trimmed bushes, and beware-of-dog signs.
3.[选词填空]The houses in a good neighborhood also suffer break-ins because burglars look for the place where goods are good.
4.[选词填空]Once the monitored alarm is set off, service personnel will phone your home first
5.[选词填空]Donald Jenkins of Halifax Regional Police suggests installing steel doors with a solid-steel strip.
6.[选词填空]If a thief does break into a house equipped with an alarm system, he is likely to have less time to make a thorough search of the house.
7.[选词填空]Assess home security is the primary thing should people do after being burglarized.
8.[选词填空]It is better for people to keep the curtains closed at night.
9.[选词填空]An alarm system frightens away the burglars.
10.[选词填空]Besides preventing burglary, the added bonus of investing alarm systems is that home-security company offerwill you a discount.
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