当前分类： GMAT
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 ...
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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 Highl...
问题：单选题Which of the following inventions, if it could be perfected and manufactured at a viable cost, would address the most challenges to human interstellar space travel, as presented in the passage?A A ram-scoop drive that can accelerate a spacecraft of any...
问题：问答题In isosceles triangle ABC what is the value of∠C? (1) The measure of∠B is 47. (2) The measure of∠A is 96....
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...
问题：单选题Since red flags are likely to be raised at the IRS by the reporting of gambling income, business owners who declare their income as business revenue is less likely to receive an audit.A Since red flags are likely to be raised at the IRS by the reportin...
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. ...
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：Which of the following would make the most appropriate title...
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 ...
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 backg...
问题：单选题If the set S is composed of the following numbers {99, 100, 100, 105, 106, 116, 123}, which of the following is largest?A The average (arithmetic mean) of set SB The median of set SC The mode of set SD The range of set SE The standard deviation of set ...
问题：问答题Is 34x5? (1) x20 (2) x5...
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Though dentists recommend brushing one’s teeth three times a day, many adult Americans brush just twice a day and floss hardly never.A brush iust twice a day and floss hardly neverB brush your teethtwice and never flossC brush just twice but rarely flo...
问题：单选题The author of the passage most likely mentions “Little Green Men” in the first paragraph for what purpose?A To poke fun at the ignorance of most science fiction readersB To introduce a daunting challenge that will have to be addressed before human inte...
问题：单选题Paleontologists hypothesize that modern birds evolved from the family of dinosaurs that included Tyrannosaurus rex. This hypothesis would be strongly supported if evidence that dinosaurs from this family had a body covering resembling feathers could be...
问题：单选题Prolonged and unseasonable frosts produce frost rings in deciduous trees, which grow in moderate climates. Frost rings do not appear in any of the fossilized deciduous trees that have been found in Antarctica. Hence, it is unlikely that such frosts occ...
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 followi...
问题：单选题An electrical appliance company has submitted a new model of washing machine for stress and durability testing. After the conventional round of tests, 26 of the 90 machines tested no longer functioned. Observing these results, the company determined th...
