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我糊了，M请教3道 LSAT
set 2 section 4
18.Even if a crime that has been committed by computer is discovered and reported, the odds of being both arrested and convicted greatly favor the criminal.
Each of the following,if ture,supports the claim above EXCEPT:
A The preparation of computer-fraud cases takes much more time than is required for average fraud cases,and the productivity of prosecutors is evaluated by the number of good cases made.
B In most police departments offices are rotated through different assignments every two or three years, a shorter time than it takes to become proficient as a computer crime investigator.
C The priorities of local police departments under whose jurisdiction most computer crime falls are weighted toward visible street crime that communities perceive as threatening.
D Computer criminals have rarely been sentenced to serve time prision,because prisons are overcrowded with violent criminals and drug offenders.
E The many police officers who are untrained in computers often inadvertently destroy the physical evidence computer crime.
答案居然是D，我还肯定认为它支持了。
8 Measurements of the extent of amino acid decomposition in fragments of eggshell found at archaeological sites in such places as southern Africa can be used to obtain accurate dates for sites up to 200,000 years old. Because the decomposition is slower in cool climates,the techique can be used to obtain accurate dates for sites almost a million years old in cooler regions.
The information above provides the most support for which one of the following conclusion?
A The oldest archaeological sites are not in southern Afica,but rather in cooler regions of the world.
B The amino-acid decomposition that enables eggshells to be used in dating does not take place in other organic matter found at ancient archaeological sites.
C If the site being dated has been subject to large unsuspected climatic fluctuations during the time the eggshell has been at the site application of the technique is less likely to yield accurate results.
D After 200,000 years in a cool climate, less than one-fifth of the amino acids in a fragment of eggshell that would provide material for dating with the technique will have decomposed and will thus no longer be suitable for examination by the technique.
E Fragments of eggshell are more likely to be found at ancient archaeological sites in warm regions of the world than at such sites in cooler regions.
17 Every photograph ,because it involves the light rays that something emits hitting film.must in some obvious sense be true.But because it could always have been made to show things differently than it does.it cannot express the whole truth and in that sense is false.Therefore nothing can ever be definitively proved with a photograph.
Which one of the following is an assumption that would permit the conclusion above to be properly drawn?
A Whatever is false in the sense that it cannot express the whole truth cannot furnish definitive proof.
B The whole truth cannot be known
C It is not ossible to determine the truthfulness of a photograph in any sense
D It is possible to use a photograph as corroborative evidence if there is additional evidence establishing the truth about the sense photographed
E If something is being photographed ,then it is possible to prove definitively the truth about it. |
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发表于 2003-9-5 00:22:00
