问题:单选题In a physical education class, 20 students were tested on archery target shooting. These students were then given a two-day training course in archery technique. The students were tested again and showed a 30 percent increase in accuracy. This result proves that the course was effective in increasing people’s target-shooting accuracy. Which of the following, if true, gives the strongest support to the argument above?A The students were all excellent athletes, and excellent athletes tend to be good at target shooting.B The first testing session functioned as a practice ,session for the second testing session.C The accuracy with which people can shoot arrows is strongly related to the sharpness of their vision.D A similar group of students who were also tested on archery target shooting but were not given the course did not show an increase in accuracy.E Excellence in archery target shooting is an accomplishment achieved by relatively few of the people who take up the sport.
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问题:单选题Rising tides of unemployment claims across the state has led the governor to declare the economy to be in a state of emergency.A Rising tidesB Because the rising tideC The tide is risingD The rising tideE The rising of the tide
问题:问答题If the square root of t is a real number, is the square root of t positive? (1) t > 0 (2) t2> 0
问题:单选题Which of the following best describes the structure of the passage?A It mentions a puzzling situation, and then describes three approaches people have taken to help understand that situation.B It presents an argument for why something took place, and then offers a refutation of that argument.C It introduces a past phenomenon and then presents three explanations for why the phenomenon took place.D It describes a problem, offers a solution to the problem, and then ofiers reasons why the solution could not work.E It offers three explanations for a phenomenon and then summarizes what all three have in common.
问题:单选题This passage is primarily interested in which of the following?A Investigating the factors that brought about the Marvel revolution and the Silver Age of comic booksB Reviewing the factors that brought about the end of the Golden Age of comic booksC Comparing and contrasting two eras in the history of comic booksD Condemning the horror comic book for its corrupting influence on the nation’s youthE Evaluating the historical legacy of William Gaines’s EC Comics
问题:问答题Is 34x5? (1) x20 (2) x5
问题:单选题Whlie the new health insurance regulations may be onerous for large corporations, it can potentially be disastrous for small business owners, who in many cases will have to lay off employees in order to pay for the extended coverage.A it can potentially be disastrous for small business owners, whoB they are potential disasters for small business owners, sinceC potentially they will be disastrous for small business owners, whomD for small business owners it is a potential disaster,becauseE they are potentially disastrous for small business owners, who
问题:问答题Two cyclists are racing up a mountain at different constant rates. Cyclist A is now 50 meters ahead of cyclist B. How many minutes from now will cyclist A be 150 meters ahead of cyclist B? (1) 5 minutes ago, cyclist A was 200 meters behind cyclist B. (2) Cyclist A is moving 25% faster than cyclist B.
问题:单选题The author most likely mentions James Joyce’s childhood, family, and education to serve what purpose?A To suggest that he had to write in order to make a livingB To suggest that he became a writer because of his father’s influenceC To provide the background and cultural context for his literary workD To provide evidence that his literary genius was present when he was a childE To explain his opposition to Catholicism and socialism in his later life
问题:问答题Is y between 1 and 2, exclusive? (1) y2 is less than y (2) y2+y is between 1 and 2, exclusive
问题:单选题According to the information given in the passage, sulfur dioxide emissions are linked to all except which of the following phenomena?A Reduced visibility in the eastern United StatesB Damage to the ozone holeC Increased rates of asthmaD Acid rainE Damaged forests
问题:单选题The population of peregrine falcons declined rapidly during the 1950’s and 1960’s and reached an all-time low in the early 1970’s. The decline was attributed by scientists to the widespread use of the pesticide DDT in rural areas. Which of the following, if true, gives the strongest support to the scientists’ claim?A DDT was not generally in use in areas devoted to heavy industry.B In the time since the use of DDT was banned in 1972, the population of peregrine falcons has been steadily increasing.C Peregrine falcons, like other birds of prey, abandon eggs that have fallen out of the nest, even if the eggs remain intact.D Starlings, house sparrows, and blue jays-birds the peregrine falcon preys on were not adversely affected by DDT in their habitats.E Other birds of prey, such as the osprey, the bald eagle, and the brown pelican, are found in the same areas as is the peregrine falcon.
问题:单选题A study by a group of dentists has concluded that regular use of a certain brand of mouthwash is as effective as flossing in preventing gum disease. The mouthwash company has released a television ad suggesting that people who do not like flossing can now rely solely on mouthwash and brushing to maintain good dental health. A leading manufacturer of dental floss brought a lawsuit against the mouthwash company demanding that the advertisement be discontinued on the grounds that it is misleading. Which of the following, if true, provides the strongest support for the dental floss company’s claim that the advertisement is misleading?A The dental floss manufacturer is concerned that it will lose market share in the dental health market because the advertisement encourages people to switch from dental floss to mouthwash.B The dental floss company claims in its own advertisements that brushing and flossing after every meal is the most effective way to maintain good dental health.C Although mouthwash is an effective deterrent to gum disease, it is less effective than dental floss at removing plaque and preventing cavities between teeth.D Per usage, mouthwash is three times more expensive than dental floss, if the recommended amounts of both products are used.E The dentists who conducted the study on the effectiveness of mouthwash in preventing gum disease obtained their funding for the study from a company that manufactures mouthwash.
问题:单选题Approximately $120 billion in venture capital is estimated as having poured into technology stocks during the late 1990s, creating a valuation bubble that burst in 2000.A Approximately $120 billion in venture capital is estimated as having poured into technology stocks during the late 1990s, creatingB During the late 1990s approximately $120 billion in venture capital is estimated to have poured into technology stocks and createdC During the late 1990s it is estimated that there was approximately $120 billion in venture capital that was poured into technology stocks, creatingD It is estimated that during the late 1990s approximately $120 billion in venture capital poured into technology stocks, creatingE It is estimated that there was approximately $120 billion in venture capital that poured into technology stocks during the late 1990s and created
问题:单选题Which of the following is a solution to the equation X2-4x-32=0?A -12B -8C -4D 4E 12
问题:单选题The main purpose of this passage is to ______.A Trace the historical progression of tea from its origins to the present day.B Give brief highlights from the history of the cultivation of tea.C Provide an anecdotal account how tea became a drink.D Highlight some important elements of the history of preparing and drinking tea.E Argue against the notion of tea drinking as a valid social art.
问题:单选题The medical board, concerned by the drop in insurance payments and the failure of the accounting department to obtain the anticipated funds, resolved to pursue legal action against the insurance company.A concerned by the drop in insurance payments and the failure of the accounting department to obtainB concerning the drop in payments by insurance and the failure of the accounting department to obtainC because of its concern for the dropping insurance payments and the accounting department’s failure at obtainingD in its concern that the drop in insurance payments and the failure of the accounting department to obtainE being concerned about the drop in insurance payments and the accounting department falling to obtain
问题:问答题If x is an integer, is (18+54)/x an integer? (1) 18<x<54 (2) x is a multiple of 18
问题:单选题Although many people would not believe it, the mosquito is actually the most dangerous animal in Africa. While the bite of the black mamba is invariably lethal when untreated, this dreaded snake kills only a few dozen people per year. Hippopotami, with their immense strength and foul dispositions, kill hundreds of people per year in rivers and lakes, but the mosquito is still more dangerous. Mosquitoes bite hundreds of millions of people in Africa every year, and they infect over a million each year with malaria, a disease that is often fatal. Which of the following questions would be most useful in evaluating the claim made above regarding the mosquito?A Could a person survive an attack by a black mamba if that person received prompt medical attention?B What criteria are used to determine which animal is the “most dangerous” animal?C Could the incidence of mosquito bites be decreased through the judicious use of pesticides and insect repellent?D Does malaria kill more people per year in Africa than tuberculosis?E How does the percentage of people who survive hippopotamus attacks in Africa each year compare with the percentage of people who survive mosquito bites?