题目内容
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Children and old people do not like having their daily ________ upset.
A) habit
B) practice
C) routine
D) custom
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A) habit
B) practice
C) routine
D) custom
此题为判断题(对，错)。
Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You should decide on the best choice.
The first innovation in the design of combat binoculars(双筒望远镜)in over 200 years is on the horizon. The device, called "talking binoculars", is derived from the strategic satellite-to-satellite communications program. The idea is to use one pair of binoculars to project a laser beam to carry a scout's' observations to a second pair as the receiver.
Military scouts today cannot use radios during radio silent scouting missions inside enemy territory because the enemy can detect and locate their transmissions. With the new "talking" binoculars, when a forward military scout sees the enemy through transmitting laser binoculars and depresses the target locate and store button, global positioning system technology will measure the enemy's target position. Then, the binoculars store the information and use its invisible laser beam to transmit the enemy's position to a receiving set of binoculars. The receiving scout can then immediately transmit target data back to the lines. The military scout will no longer need maps, have to depend on written notes, or leave a position to report back to the commander.
The innovative binoculars also solve the aged-data problem by relaying the military scout's observations in near-real time to the commander in the tactical(战术的) operations center. The scout does not need to personally return to lines to make a report which is aged by the time the commander receives it.
"Enemy detection of the binoculars is near impossible because the weak laser beam is projected from point to point," Strickland said. "An enemy searching for a weak' laser source requires sensitive optical detectors and must be near the receiver to detect the weak laser. It will be much easier for the scout to see the enemy than for the enemy to detect the laser beam. By comparison, radio broadcast is transmitted in all directions, allowing easy detection by a prepared enemy from all angles." he said.
Digital laser communications is a valuable technology. Its advantage stems from providing high data rate communications capability when the mission prevents scouts from using their radios. A weak laser beam can carry digitized voice messages, targeting data and high-quality video images at extremely high data rates.
Military planners are already envisioning a day when all communications on a battlefield, between tanks or between tanks and helicopters, to name only two examples, are transmitted by laser. Theoretically, a laser-based communications system could handle 200,000 voice channels. Currently, even the most powerful high-capacity lasers, capable of transmitting 100 TV channels, weigh only 29 pounds, so they are easily deployed on vehicles or aircraft. In the future, lasers may also transmit information directly from orbiting satellites.
Without the talking binoculars, a scout during radio silent scouting missions ______.
A．can be easily detected and located by the enemy
B．is not able to determine the enemy's target position
C．has to make a record of what he has observed
D．risks getting caught when returning to report back
In the United States, parents do not arrange marriages for their children. Teenagers begin【C4】______ in high school and usually find mates through their own academic and social【C5】______ .
Though young people feel【C7】______ to choose their friends from【C6】______ groups, most choose a mate of similar background.
This is【C8】______ in part to parental guidance. Parents cannot select spouses for their children, but they can usually【C9】______ choices by【C10】______ disapproval of someone they consider unsuitable.
【C11】______ , marriages between members of different groups (interclass, interfaith, and interracial marriages) are increasing, probably because of the greater【C12】______ of today's youth and the fact that they are restricted by【C13】______ prejudices than their parents. Many young people leave their home towns to attend college,【C14】 ______ in the armed forces,【C15】______ pursue a career in a bigger city.
Once away from home and family, they are more【C16】______ to date and marry outside their own social group.
In mobile American society, interclass marriages are neither【C17】______ nor shocking. Interfaith marriages are【C18】______ the rise particularly between Protestants and Catholics. On the other hand, interracial marriage is still very uncommon. It can be difficult for interracial couples to find a place to live, maintain friendships, and【C19】______ a family. Marriages between people of different national【C20】______ (but the same race and religion) have been commonplace here since colonial times.
【C1】
A．involving
B．linking
C．connecting
D．correlating
Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You should decide on the best choice.
Many now have been breathing hot flames at our industry and so I thought it would be time to say my piece this week, after all, we in the business cannot deny that it has been a rough spring for newspaper editors and reporters. Ethical scandals great and small have soiled news- rooms from coast to coast. Everyone knows about the profound deceits of Jayson Blair at The New York Times, and the "Writergate" controversy involving Rick Bragg, which led to the departure of the two top editors at the paper. Other misdeeds have ranged from two reporters at The Salt Lake Tribune selling information to The National Enquirer, to a food writer for The Hartford Courant fired for plagiarizing recipes. Are newspaper standards going to pot?
Some say ethics are worse than ever—or are they? The past is filled with people running photos of wrestlers in the sports section in exchange for money. In fact, ethical breaches may be less of a problem than 20 years ago. A lot of newspapers are cutting corners, but the standards in the business have improved. There were things going on in the past such as reporters writing speeches for politicians they covered and taking bribes from lobbyists but people back then were quietly moved out or they left on their own. There was no public display.
The industry as a whole is in trouble because, due to media concentration, people at the top are taking out too much money and driving the profits up. The perception is that the real customers are not those who read the paper but those who buy the stock, which damages the profession. Some of this is about resource pressure. Copydesks are overloaded and there is not enough time and more reporters are having to report by phone. The larger the size of news- papers, the less communication between divisions there tends to be. Reporters don't climb the Stairs anymore, they are highly trained people who sit in their offices and write term papers and won't sully themselves going to a greasy housing project or stand out in the rain for a few hours. The economics of journalism along with technological changes has created an atmosphere of trying to get enormous amounts of information as rapidly as possible. The important thing is to make sure the ownership understands the value of a news organization with integrity and every paper needs to slow down and remind ourselves that we have nothing to sell if the readers don't believe us.
The main idea of the first paragraph is that ______.
A．newsrooms are suffering from a decline in standards
B．there a. re too many ethical scandals going on in newspapers
C．there is a perception that newspapers should do more to correct mistakes
D．this has been a rough time for newspapers and many are wondering what is wrong
Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You should decide on the best choice.
Movie directors sometimes shoot two endings to a film, undecided about which to use until the very last minute. In the Casablanca everyone knows, Ingrid Bergman leaves Humphrey Bogart, but in another ending Bogart got the girl.
In some ways, it feels like we're in the middle of a movie made by some deranged(疯狂的) economist, and we don't know yet if we're going to get the happy ending or the sad one. Does the rise of India and other developing countries supercharge(提高) global growth, or will all the new competition pull down wages in the industrialized world? Is this period going to be titled The Bright Dawn or The Big Squeeze?
Certainly for workers in the industrialized world, the latest signs are troubling. Profits seem to be outpacing wages just about everywhere. As a result, from Japan to the U.S. to Europe, labor is getting a smaller share of the economic pie. The numbers are pretty straightforward: In Japan, the share of national income going to workers dropped from 53.1% in 2001 to 51.1% in the year ending with the first quarter of 2005. In the U.S., the employee share of gross domestic income dropped from 58% to 56.8%. In Western Europe, workers' share of national income dropped from 51.7% in 2001 to 50.5% at the end of 2004, before bouncing up a bit in the latest quarter.
An obvious—and pessimistic—explanation for this broad decline is the intensification of global competition, forcing formerly privileged workers in advanced countries to accept a lower standard of living. Harvard economist Richard Freeman has argued that the entry of China, India, and the former Soviet countries into the global economy has effectively doubled the size of the world's workforce. As a result, labor is relatively abundant, capital is relatively scarce, the returns to labor go down, and the returns to capital go up.
"Having twice as many workers and newly the same amount of capital places great pressure on labor markets throughout the world", writes Freeman. That "shifts the balance of power in markets toward capital, as more workers compete for working that capital."
This is the unhappy ending to the global economy story. However, the numbers are also consistent with another, much more upbeat(乐观的)ending. It could be that corporate restructuring efforts in Japan and Europe are finally taking hold, leading to higher profits and faster productivity growth, even as U.S. companies continue their efforts to boost efficiency. And it could be that there's just a lag before the productivity gains get passed on to workers in the form. of higher wages.
So, will we get the happy ending or the sad ending? There's no way of telling yet—but hey, what fun is a movie with a predictable ending?
Similar to the story in the movie Casablanca, the world economy______.
A．is experiencing dramatic changes
B．is set in complicated political factors
C．involves fierce competition between different parties
D．is developing into two possible opposite directions
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