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A．transmitted
B．translated
C．transformed
D．transported
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第1题
A．This combat signals the struggle for Internet advantage is shifting to a new realm.
B．Participants are introducing fundamentally different business types to the combat.
C．Winners in the battle would seize favorable conditions in future tech landscape.
D．Apple and Google have always been at the forefront of tech innovations.
第2题
Zap It! uses natural ingredients to clean, so it's gentler than other cleaners. You won't have to worry about harming your skin, your children, or the environment.
Choose from three great scents: orange, lemon, or pine.
Zap It! is available in all major supermarkets.
What is being advertised？
A．Shampoo
B．Hand soap
C．A cleaner
D．Laundry detergent
第3题
Following are some tips in helping to combat the growing threat of viral infection：
1． Use an automated virus-detection tool；
2． Regularly perform a backup of your data with a backup program；
3． Prevent unauthorized access to your computer by using a security access program；
4． Use writer-protected tabs on all program disks before installing any new software.If the software does not allow this,install it first,then apply the write-protected tabs；
5． Do not install software unless you know it has come from a reliable source.For in.stance,service technicians and sales representatives are cornmon carriers of viruses. Scan all demonstration or repair software before use；
6． Scan every floppy disk before use and check all files downloaded from a bulletin board or acquired from a modem；
7． Educate employees.As the adage goes,"An ounce of prevention is worth a pound of cure."；
8． Do not boot from any floppy disk,other than a clean,DOS-based disk；
9． Avoid sharing software and machines；
10． Store executable and other vital system parameters on a bootable DOS-based disk and regularly compare this information to the current state of your hard drive.
第4题
Still in the development phase, the rifle for 2006 has just been 【23】______ off with great 【24】______ by the Pentagon to members of Congress who will be asked to 【25】______ the money. The makers, Alliant Techsystems, say that the weapon will revolutionize 【26】______ combat much as the machine gun.
Pentagon jargon has given the new gun a(an) 【27】______ title: the Objective Individual Combat Weapon. 【28】______ one trigger, the rifle can fire a standard 5.56mm Nato bullet and a 20mm high explosive shell that will burst in the air. It can 【29】______ shrapnel behind, 【30】______ or even from the side of enemy troops who have taken 【31】______ behind a building. The shell can be 【32】______ to explode after a short delay. The weapon's 1,000 yard accuracy is twice 【33】______ of other rifles, made possible by a laser system built into the sight. This rangefinder fixes the target, measures the distance and passes it along to a computer chip in the shell.
The gunsight has an infrared lens for night 【34】______ . It can also have video camera with a zoom lens that is linked to a video display attached to the soldier's helmet, allowing him to aim 【35】______ without exposing himself to enemy return fire. But there are snags still be 【36】______ out. Two men were 【37】______ when a shell burst in a barrel during firing tests. The rifle weighs more than 18lb. There are questions whether its electronic innards will be rugged enough for rain, snow and difficult 【38】______ .
Michael Klare, a professor of peace and world security issues and a board member of the Arms Control Association, says that the Pentagon is seeking this combination of firepower and automation to compensate for the uncertain aim of GIs. He said: "Soldiers won't have to worry about careful steady aim. They'll just look 【39】______ the viewfinder and 【40】______ the trigger."
【21】
A．reality
B．affect
C．effect
D．operation
第5题
听力原文： People still celebrate ancient festivals in different parts of Europe with folk dances and processions, even though in many cases those who take part and put on special costumes are no longer sure what the dances represent. Almost all of them are associated with seasonal procedures that have been adapted to the Christian calendar. There are two main types found in a number of countries. The first, combat dances normally take place in winter or early spring and celebrate the battle between the old year and the new. In Austria, for example, at celebration time, people wear masks and dress up as ghosts and witches, and there are processions of men and women with drums and whips.
The other main group of dances takes place in early summer, especially at Whit sun or on May Day. In England, there are dances of men in some villages. Groups of trained dancers, dressed in white, dance with bolls on their legs and bodies. They leap in processions in double files, waving white handkerchiefs or green branches. In some places, there are men with animal masks or a Jack-in-the-Green, a man dressed in leaves who stands for the new vegetation of the summer.
(30)
A．The birthday of some ancient people.
B．The birthday of Jesus Christ.
C．Ancient festivals.
D．Some modem days.
第6题
A study published recently in the journal Nature shows that air- borne leaded gas emissions from the United States were the leading contributor to the high concentration of lead in the snow in Greenland. The new study is a result of the continued research led by Dr. Charles Boutron, an expert on the impact of heavy metals on the environment at the National Center for Scientific Research in France. A study by Dr. Boutron published in 1991 showed that lead levels in arctic snow were declining.
In his new study, Dr. Boutron found the ratios of the different forms of lead in the leaded gasoline used in the United States were different from the ratios of European, Asian and Canadian gasoline and thus enabled scientists to differentiate the lead sources. The dominant lead ratio found in Greenland snow matched that found in gasoline from the United States.
In a study published in the. journal Ambio, scientists found that lead levels in soil in the North-eastern United States had decreased markedly since the introduction of unleaded gasoline.
Many scientists had believed that the lead would stay in soil and snow for a longer period.
The authors of the Ambio study examined samples of the upper layers of soil taken from the same sites of 30 forest floors in New England, New York and Pennsylvania in 1980 and in 1990.
The forest environment processed and redistributed the lead faster than the scientists had expected.
Scientists say both studies demonstrate that certain parts of the ecosystem respond rapidly to reductions in atmospheric pollution, but that these findings should not be used as a license to pollute.
1. Lead accumulation worldwide decreased significantly after the use of unleaded gas in the US .
A、 was discouraged
B、was enforced by law
C、was prohibited by law
D、 was introduced
2. It can be inferred from the last paragraph that scientists .
A、are puzzled by the mystery of forest pollution
B、feel relieved by the use of unleaded gasoline
C、still consider lead pollution a problem
D、lack sufficient means to combat lead pollution
第7题
Part A
Directions: Read the following texts and answer the questions which accompany them by choosing A, B, C or D. Mark your answers on ANSWER SHEET 1.
The Stone age, the Iron age. Entire epochs have been named for materials. So what to name the decades ahead？ The choice will be tough. Welcome to the age of superstuff. Material science—once the least sexy technology—is bursting with new, practical discoveries led by superconducting ceramics that may revolutionize electronics. But superconductors are just part of the picture; from houses and cars to cook pots and artificial teeth, the world will sometime be made of different stuff. Exotic plastics, glass and ceramics will shape the future just as surely as have genetic engineering and computer science.
The key to the new materials is researchers' increasing ability to manipulate substances at the molecular level. Ceramics, for instance, have long been limited by their brittleness. But by minimizing the microscopic imperfections that cause it, scientists are making far stronger ceramics that still retain such qualities as hardness and heat resistance. Ford Motor Co. now uses ceramic tools to cut steel. A firm called Kyocera has created a line of ceramic scissors and knives that stay sharp for years and never rust or corrode.
A similar transformation has overtaken plastics. High-strength polymers now form. bridges, iceskating rinks and helicopter rotors. And one new plastic that generates electricity when vibrated or pushed is used in electric guitars, touch sensors for robot hands and karate jackets that automatically record each punch and chop. Even plastic litter, which once threatened to permanently blot the landscape, has proved amenable to molecular tinkering. Several manufacturers now make biodegradable forms; some plastic six-pack rings for example, gradually decompose when exposed to sunlight. Researchers are developing ways to make plastics as recyclable as metal or glass. What's more, composites—plastic reinforced with fibres of graphite or other compounds—made the round-the-world flight of the voyager possible and have even been proved in combat:a helmet saved an infantryman's life by deflecting two bullets in the Grenada invasion.
Some advanced materials are old standard with a new twist. The newest fiberoptic cables that carry telephone calls cross-country are made of glass so transparent that a piece of 100 miles thick is clearer than a standard window pane.
But new materials have no impact until they are made into products. And that transition could prove difficult, for switching requires lengthy research and investment. It can be said a firmer handle on how to move to commercialization will determine the success or failure of a country in the coming future.
How many new materials are mentioned in this passage？
A．Two.
B．Three.
C．Four.
D．Five.
第8题
Every year more than half a million American kids have drainage(排泄) tubes surgically implanted in their ears to combat persistent infections. The procedure, known as tympanostomy, may not be as 【C1】______ as the tonsillectomy was in the 1940s, but it now 【C2】______ as the nation's leading childhood 【C3】______ and a new study suggests it's being vastly overused. In 【C4】______ more than 6,000 scheduled ear tube operations, a team of experts 【C5】______ by Harvard pediatrician Lawrence Kleinman found that fewer than half were clearly justified. "Each year", the researchers write in the current Journal of the American Medical Association (JAMA), "several hundred thousand children in the United States may be 【C6】______ tympanostomy tubes that offer them no demonstrated 【C7】______ ...and may place them at increased 【C8】______ ."
Tube placement isn't a 【C9】______ risky procedure, but it costs $1,000 to $1,500 and sometimes scars the eardrum, causing a partial loss of 【C10】______ Studies show that the benefits are most likely to 【C11】______ the risks if a child's middle ear has produced sticky fluid 【C12】______ more than four months despite treatment 【C13】______ antibiotics. For less virulent infections, drug treatment is usually a(n) 【C14】______ safer alternative (though drugs, too, can be overused). In the new JAMA study, Kleinman's team reviewed the medical charts of 6,429 kids, all under 16, 【C15】______ doctors had recommended the procedure. Even making "generous assumptions" about the likely 【C16】______ , the researchers found that a quarter of the proposed operations were 【C17】______ , since less invasive alternatives were available, 【C18】______ another third were as likely to harm the recipients as help them.
Parents needn't 【C19】______ about ear tubes that are already in place. Once 【C20】______ implanted, the tiny devices provide drainage for six months to a year, then come out by reducing health costs by hundreds of millions of dollars every year.
【C1】
A．rare
B．common
C．general
D．abnormal
第9题
A.contest
B.combat
C.compromise
D.discord
第10题
A．Y
B．N
C．NG
