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急!!!!!请教last两道
In Malsenta sales of classical records are soaring.The buyers responsible for this boom are quite new to classical music and were drawn to it either by classical scores from television commercials or by theme tunes introducing major sports events on television.Audiences at classical concerts,however, are continually shrinking in Malsenia.It can be concluded from this that the new Malsenian.It can be concluded from this that the new Malsenian converts to classical music, having initially experienced this music as recorded music, are most comfortable with classical music as recorded music and really have no desire to hear live performances.
The argument assumes which one of the following?
(b) At least some of the new Malsenian buyers of classical records have available to them the option of attending classical concerts.
(c)The number of classical concerts performed in Malsnia has not decreased in response to smaller audiences.
the answer is c, and i agree c is right , but why b is the alternative answer 因为我认为b取非后说明新买主是被迫不去听现场音乐会的从而削弱结论
9 Brain scans of people exposed to certain neurotoxins reveal brain damage identical to that found in people suffering from Parkinson' disease. This fact shows not ony that these neurotoxins cause this type of brain damage, but also that the brain damage itself causes Parkinson's disease. Thus brain scans can be used to determine who is likely to develop Parkinson's disease.
The argument contains which one of the folowing reasoning errors?
(b) It overstimates the importance of early diagnosis in determining appropriate treatments for peopl suffering from Parkinson"s disease.
(c)It mistakes a correlation between the type of brain damage described and Parkinson's disease for a causal relation between the two.
the answer is b , why? i think c is more reaonable, need explain in details urgently of both
thx!
thx a lot! |
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