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zcsdtc
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发表于 2010-11-15 14:05:06 |只看该作者 |倒序浏览

TOPIC: ARGUMENT165 - The following appeared in a business magazine.

"As a result of numerous consumer complaints of dizziness and nausea, Promofoods requested that eight million cans of tuna be returned for testing last year. Promofoods concluded that the cans did not, after all, contain chemicals that posed a health risk. This conclusion is based on the fact that the chemists from Promofoods tested samples of the recalled cans and found that, of the eight chemicals most commonly blamed for causing symptoms of dizziness and nausea, five were not found in any of the tested cans. The chemists did find that the three remaining suspected chemicals are naturally found in all other kinds of canned foods."

请于11月21日 23：30前提交。

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zcsdtc
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沙发

发表于 2010-11-21 10:59:05 |只看该作者

The Promofoods concluded that the cans did not, contain chemicals that posed a health risk.
reasons :the fact that the chemists from Promofoods tested samples of the recalled cans and found that, of the eight chemicals most commonly blamed for causing symptoms of dizziness and nausea, five were not found in any of the tested cans. The chemists did find that the three remaining suspected chemicals are naturally found in all other kinds of canned foods."

oppose: first ,why did they use their own chemists? it did not make any sense.
secondly, five of eight chemicals which are most commonly blamed for causing symptoms of dizziness and nausea were not found, which could mean the rest are found. And other chemicals which have the same effect are not reported if exist or not.
third, they acclaimed the three remaining suspected chemicals are naturally found in all other kinds of canned foods. How did they get this conclusion? did they test all other canned foods? it cannot convince the customers.

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浮云柳絮
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板凳

发表于 2010-11-21 22:38:06 |只看该作者

1.检测的化学家是P的化学家，不具有权威性
2.8种最常见的导致眩晕和恶心症状的化学物质中的五种没有被发现（1）除了这八种以外还有其他的化学物质会导致恶心和眩晕（2）没有在被测试的罐头中发现不代表P的罐头就不含导致眩晕和恶心的化学物质，被测试对象的代表性问题
3.3种受怀疑的化学物质在其他罐头中存在和本次测试没有可比性
4.没有导致眩晕和恶心的化学物质不能证明罐头没有任何有害健康的化学物质，还可能有其他有害健康的物质，但是不导致眩晕和恶心。
第一次来做作业，之前的11G也准备的不好。好多术语都忘记了，大家多拍砖，我会努力赶上大家的进度。

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zhangwanying
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地板

发表于 2010-12-6 13:31:08 |只看该作者

TOPIC: ARGUMENT165 - The following appeared in a business magazine.

"As a result of numerous consumer complaints of dizziness and nausea（恶心反胃）, Promofoods requested that eight million cans of tuna be returned for testing last year. Promofoods concluded that the cans did not, after all, contain chemicals that posed a health risk. This conclusion is based on the fact that the chemists from Promofoods tested samples of the recalled cans and found that, of the eight chemicals most commonly blamed for causing symptoms of dizziness and nausea, five were not found in any of the tested cans. The chemists did find that the three remaining suspected chemicals are naturally found in all other kinds of canned foods."

（1）化学检验chemical examination不应该由Promofoods来做，这样会失去可信度。应该由第三方机构a third party organization来做。参考句式：If the examination was leading or if the survey relied on self reports, the results might be unreliable。。。
（2）作者只提及了the eight chnicals most commonly blamed for causing symptoms of dizziness and nausea 却没有迹象表明（there was no indication that）他们对其他可能引起该症状的化学物质chemicals进行了检验和分析。并且没有对sample的amount进行表述， If the test was limited to a few cans , the result may not be representative of the ovrall condition of these tuna cans.比如金枪鱼体内含有甲基汞methyl mercury is widely proved.
（3）The three remaining suspected chemicals are naturally found in all other kinds of canned foods并不代表他们不会引起不检反应untoward effects，1' If one or more of these three chemicals exceeded the provided standards of food security,就很可能引起不适反应unpleasant reaction；，2' The author fails to preclude the possibility that there may be unexpected chemical reactions of the three remaining chemicals with some inherent but unnoticed substances of tuna.
基于以上所述，Promofoods concluded that the cans did not, after all, contain chemicals that posed a health risk.是茅屋道理的。

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5楼

发表于 2010-12-7 21:02:49 |只看该作者

本帖最后由 daniexia 于 2010-12-7 21:09 编辑

(1) Eight million cans of tuna may be far fewer than the whole numbers of cans of tuna that were returned for testing, so the conclusion is not warranted.
(2) It is not cleared how the test samples of the recalled cans are selected.
(3) It is unfair to conclude that Promofoods didn't contain poisonous chemicals if it assumes that three remaining suspected chemicals are found in all other kinds of canned foods.
(4) The testers are from Promofoods, so it raises the suspicion whether the result is convincing or not.
(5) The author fails to rule out the possiblity that other chemicals besides the eight most commonly blamed for causing dizziness and nausea may also result in a health risk.

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