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发表于 2005-8-11 14:32:59
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17.The following appeared in a letter to the editor of the Walnut Grove town
newspaper.
"Walnut Grove's town council has advocated switching from EZ Disposal (which
has had the contract for trash collection services in Walnut Grove for the past
ten years) to ABC Waste, because EZ recently raised its monthly fee from $2,000
to $2,500 a month, whereas ABC's fee is still $2,000. But the town council is
mistaken; we should continue using EZ. EZ collects trash twice a week, while
ABC collects only once. Moreover, EZ-which, like ABC, currently has a fleet of
20 trucks-has ordered additional trucks. Finally, EZ provides exceptional
service: 80 percent of respondents to last year's town survey agreed that they
were 'satisfied' with EZ's performance."
The speaker conclude that we should continue using EZ instead of ABC and the
speaker point out three evidences to support the EZ's superiority: first, the
more frquency of trash collection services; second, the larger amount of
trucks; third, the good reflection of the service. Besides, the only defect is
the high price and it indeed deserves the sum. Careful scrutiny of the argument
expose several laogical flaws, which render it unconvincing.
First of all, twice a week's trash collection cannot equate a more thorough
clearing up. There are not concrete evidence about the instance of the trash.If
the waste is not so heavy, only one time to collect it is sufficient everyweek.
The competence of the everytime to do the job is not mentioned at all. For
instance, the workers of the ABC company is more skillful than the EZ's, one
time per week will be enough. Moreover, perhape the devices of ABC are more
efficient and the degree of the clean is more thorough and thus the ABC service
may take a long time every time. In these cases, we cannot safely support the
degree of the clean.
Secondly, the order of 20 additional trucks of EZ Disposal scarcely means a
more efficient service. For instance, they only order 20 trucks and can not buy
them for the sack of money shortage. Even if they indeed buy these trucks,
maybe they power of cleaning is not enough to burden the the whole town's work.
Moreover, after this fetch in the truck, no evidence shows that the cempetence
of the EZ will exceed the work of ABC Waste.
Thirdly, the speaker cite the survey to prove EZ' service has satisfied the
residents, but we still cannot draw the the conclusion. For one thing, the EZ
Disposal serviced the residents 10 years and thus the inclination to continue
it may stem from a credit of familarity. If they have tried the ABC service,
they may find it better and change their attitude. For the oher thing,
credibility of the survey lacks of evidence. If the survey only include the
ones who are satified, the remains' opinion will be neglected. Moreover, 80
percent of respondents are satisfy means there are still 20 percent are not.
Perhaps, the switching will satify all the residents.
Finally, the increase of money should be taken into consideration. Maybe the
town has suffered from a econony depression, and many residents cannot afford
such a high price. If so, better service will give way to lower pay.
In sum, the speaker's conlusion is logically indefensible the speaker should
provide more credite evidence to bolster it.
[ Last edited by staralways on 2005-8-11 at 14:35 ] |
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