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[a习作temp] 【RichardLee的作文】新G A66求修改 [复制链接]

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发表于 2011-10-29 22:01:56 |只看该作者 |倒序浏览
Argument 66: In a controlled laboratorystudy of liquid hand soaps, a concentrated solution of extra strengthUltraClean hand soap produced a 40 percent greater reduction in harmfulbacteria than did the liquid hand soaps currently used in our hospitals. Duringour recent test of regular-strength UltraClean with doctors, nurses, andvisitors at our hospital in Worktown, the hospital reported significantly fewercases of patient infection (a 20 percent reduction) than did any of the otherhospitals in our group. The explanation for the 20 percent reduction in patientinfections is the use of UltraClean soap."


Time: 30 min
Words: 282


In the argument, the author made aconclusion that the hospital reported a 20 percent reduction of patientinfection than did any of the other hospital in the group because of usingUltraClean soap which produced a 40 percent greater reduction in harmfulbacteria than did the liquid had soaps currently used in the hospital. However,several fallacies greatly weaken the convincing of this argument.

In the controlled laboratory study, thoughUltraClean hand soap has a 40 percent greater reduction in harmful bacteriathan current hospital hand soap, the details in which kind of bacteria isreduced is unknown. It is possible that UltraClean has cleaned 40 percent ofnon-infectious bacteria than current hospital hand soap but not as effective ashospital hand soap in killing infectious bacteria. If such assumption is true,this UltraClean hand soap will have only limited effect in hospital and unliketo establish the data presented in the following passages.

In addition, the author mentioned a recenttest of regular-strength UltraClean with doctors, nurses, and visitors athospital in Worktown. The test seems well organized but there are flaws in it.As the most common direct bacteria contactor in the hospital, the patients inthe hospital should be considered as test subject as well. Besides, there's noevidence in the argument that regulate the standard procedure of usingUltralClean, and it could be the situation that people contact bacteria afterusing UltraClean. Under such possibility, 20 percent of reduction could becontributed by other means of cleaning.

Finally, there's no information about howmany hospital are in the test group. So the number of 20 percent is difficultto evaluate the effect of UltraClean in hospital environment.




Thanks!!!
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