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1.A recent survey of all auto accident victims in Dole Country found that , of the severely injured drivers and frontseat passengers, 80 percent were not wearing seat belts at the time of their accidents. This indicates that , by wearing seat belts, drivers and frontseat belts can greatly reduce their risk of being severely injured if they are in an auto accident. The conclusion above is not properly drawn unless which of th following is true? A Of all the drivers and frontseat passengers in the survey, more than 20 percent were wearing seat belts at the time of their accidents. 为什么选A
2. An overwhelming proportion of the most productive employees at SaleCo’s regional offices work not eight hours a day, five days a week, as do other SaleCo employees, but rather ten hours a day, four days a week, with Friday off. Noting this phenomenon, SaleCo’s president plans to increase overall productivity by keeping the offices closed on Fridays and having all employees work the same schedule—ten hours a day, four days a week.
Which of the following, if true, provides the most reason to doubt that the presidents plan, if implemented, will achieve its stated purpose?
A. Typically, a SaleCo employee’s least productive hours in the workplace are the early afternoon hours. B. None of the employees who work four days a week had volunteered to work that schedule, but all were assigned to it by their supervisors. C. Working ten hours a day has allowed the most productive employees to work two hours alone each day in their respective offices relatively undisturbed by fellow employees.
D. Employees at SaleCo are compensated not on the basis of how many hours a week they work but on the basis of how productive they are during the hours they are at work. E. Those SaleCo employees who have a four-day workweek do not take any of their office work to do at home on Fridays. Answer: C 3.The spacing of the four holes on a fragment of a bone flute excavated at a Neanderthal campsite is just what is required to play the third through sixth notes of the diatonic scale_the seven-note musical scale used in much of Western music since the Renaissance. Musicologists therefore hypothesize that the diatonic musical scale was developed and used thousands of years before it was adopted by Western musicians.
EWhich of the following, if true, most strongly supports the hypothesis?
A. Bone flutes were probably the only musical instrument made by Neanderthals. B. No musical instrument that is known to have used a diatomic scale is of an earlier date than the flute found at the Neanderthal campsite. C. The flute was made from a cave-bear bone and the campsite at which the flute fragment was excavated was in a cave that also contained skeletal remains of cave bears. D. Flutes are the simplest wind instrument that can be constructed to allow playing a diatonic scale. E.The cavebear leg bone used to make the Neanderthal flute would have been long enough to make a flute capable of playing a complete diatonic scale. A. GWD-12-Q29: The Earth’s rivers constantly carry dissolved salts into its oceans. Clearly, therefore, by taking the resulting increase in salt levels in the oceans over the past hundred years and then determining how many centuries of such increases it would have taken the oceans to reach current salt levels from a hypothetical initial salt-free state, the maximum age of the Earth’s oceans can be accurately estimated.
Which of the following is an assumption on which the argument depends?
A. The quantities of dissolved salts deposited by rivers in the Earth’s oceans have not been unusually large during the past hundred years. B. At any given time, all the Earth’s rivers have about the same salt levels. C. There are salts that leach into the Earth’s oceans directly from the ocean floor. There is no method superior to that based on salt levels for estimating the maximum age of the Earth’s oceans
The spacing of the four holes on a fragment of a bone flute excavated at a Neanderthal campsite is just what is required to play the third through sixth notes of the diatonic scale_the seven-note musical scale used in much of Western music since the Renaissance. Musicologists therefore hypothesize that the diatonic musical scale was developed and used thousands of years before it was adopted by Western musicians.
EWhich of the following, if true, most strongly supports the hypothesis?
A. Bone flutes were probably the only musical instrument made by Neanderthals. B. No musical instrument that is known to have used a diatomic scale is of an earlier date than the flute found at the Neanderthal campsite. C. The flute was made from a cave-bear bone and the campsite at which the flute fragment was excavated was in a cave that also contained skeletal remains of cave bears. D. Flutes are the simplest wind instrument that can be constructed to allow playing a diatonic scale. E.The cavebear leg bone used to make the Neanderthal flute would have been long enough to make a flute capable of playing a complete diatonic scale. A. GWD-12-Q29: The Earth’s rivers constantly carry dissolved salts into its oceans. Clearly, therefore, by taking the resulting increase in salt levels in the oceans over the past hundred years and then determining how many centuries of such increases it would have taken the oceans to reach current salt levels from a hypothetical initial salt-free state, the maximum age of the Earth’s oceans can be accurately estimated.
Which of the following is an assumption on which the argument depends?
A. The quantities of dissolved salts deposited by rivers in the Earth’s oceans have not been unusually large during the past hundred years. B. At any given time, all the Earth’s rivers have about the same salt levels. C. There are salts that leach into the Earth’s oceans directly from the ocean floor. There is no method superior to that based on salt levels for estimating the maximum age of the Earth’s oceans
An overwhelming proportion of the most productive employees at SaleCo’s regional offices work not eight hours a day, five days a week, as do other SaleCo employees, but rather ten hours a day, four days a week, with Friday off. Noting this phenomenon, SaleCo’s president plans to increase overall productivity by keeping the offices closed on Fridays and having all employees work the same schedule—ten hours a day, four days a week.
Which of the following, if true, provides the most reason to doubt that the presidents plan, if implemented, will achieve its stated purpose?
A. Typically, a SaleCo employee’s least productive hours in the workplace are the early afternoon hours. B. None of the employees who work four days a week had volunteered to work that schedule, but all were assigned to it by their supervisors. C. Working ten hours a day has allowed the most productive employees to work two hours alone each day in their respective offices relatively undisturbed by fellow employees.
D. Employees at SaleCo are compensated not on the basis of how many hours a week they work but on the basis of how productive they are during the hours they are at work. E. Those SaleCo employees who have a four-day workweek do not take any of their office work to do at home on Fridays. Answer: C 3.The spacing of the four holes on a fragment of a bone flute excavated at a Neanderthal campsite is just what is required to play the third through sixth notes of the diatonic scale_the seven-note musical scale used in much of Western music since the Renaissance. Musicologists therefore hypothesize that the diatonic musical scale was developed and used thousands of years before it was adopted by Western musicians.
EWhich of the following, if true, most strongly supports the hypothesis?
A. Bone flutes were probably the only musical instrument made by Neanderthals. B. No musical instrument that is known to have used a diatomic scale is of an earlier date than the flute found at the Neanderthal campsite. C. The flute was made from a cave-bear bone and the campsite at which the flute fragment was excavated was in a cave that also contained skeletal remains of cave bears. D. Flutes are the simplest wind instrument that can be constructed to allow playing a diatonic scale. E.The cavebear leg bone used to make the Neanderthal flute would have been long enough to make a flute capable of playing a complete diatonic scale. A. GWD-12-Q29: The Earth’s rivers constantly carry dissolved salts into its oceans. Clearly, therefore, by taking the resulting increase in salt levels in the oceans over the past hundred years and then determining how many centuries of such increases it would have taken the oceans to reach current salt levels from a hypothetical initial salt-free state, the maximum age of the Earth’s oceans can be accurately estimated.
Which of the following is an assumption on which the argument depends?
A. The quantities of dissolved salts deposited by rivers in the Earth’s oceans have not been unusually large during the past hundred years. B. At any given time, all the Earth’s rivers have about the same salt levels. C. There are salts that leach into the Earth’s oceans directly from the ocean floor. There is no method superior to that based on salt levels for estimating the maximum age of the Earth’s oceans
The spacing of the four holes on a fragment of a bone flute excavated at a Neanderthal campsite is just what is required to play the third through sixth notes of the diatonic scale_the seven-note musical scale used in much of Western music since the Renaissance. Musicologists therefore hypothesize that the diatonic musical scale was developed and used thousands of years before it was adopted by Western musicians.
EWhich of the following, if true, most strongly supports the hypothesis?
A. Bone flutes were probably the only musical instrument made by Neanderthals. B. No musical instrument that is known to have used a diatomic scale is of an earlier date than the flute found at the Neanderthal campsite. C. The flute was made from a cave-bear bone and the campsite at which the flute fragment was excavated was in a cave that also contained skeletal remains of cave bears. D. Flutes are the simplest wind instrument that can be constructed to allow playing a diatonic scale. E.The cavebear leg bone used to make the Neanderthal flute would have been long enough to make a flute capable of playing a complete diatonic scale. A. GWD-12-Q29: The Earth’s rivers constantly carry dissolved salts into its oceans. Clearly, therefore, by taking the resulting increase in salt levels in the oceans over the past hundred years and then determining how many centuries of such increases it would have taken the oceans to reach current salt levels from a hypothetical initial salt-free state, the maximum age of the Earth’s oceans can be accurately estimated.
Which of the following is an assumption on which the argument depends?
A. The quantities of dissolved salts deposited by rivers in the Earth’s oceans have not been unusually large during the past hundred years. B. At any given time, all the Earth’s rivers have about the same salt levels. C. There are salts that leach into the Earth’s oceans directly from the ocean floor. There is no method superior to that based on salt levels for estimating the maximum age of the Earth’s oceans | 
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发表于 2009-3-1 09:35:00
