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3. Political advocacy groups have begun to useinformation services to disseminate information that is then accessed by thepublic via personal computer. Since manygroups are thus able to bypass traditional news sources, whose reporting isselective, and to present their political views directly to the public,information services present a more balanced picture of the complexities ofpolitical issues than any traditional news source presents.
Which of the following is an assumption onwhich the argument above depends?
A. Information services are accessible toenough people to ensure that political advocacy groups can use these servicesto reach as large a percentage of the public as they could through traditionalnews sources.
B. People could get a thorough understandingof a particular political issue by sorting through information provided byseveral traditional news sources, each with differing editorial biases.
C. Information on political issuesdisseminated through information services does not come almost entirely fromadvocacy groups that share a single bias.
D. Traditional news sources seldom reportthe views of political advocacy groups accurately.
E. Most people who get information onpolitical issues from newspapers and other traditional news sources can readilyidentify the editorial biases of those sources.
Answer: C
4.Outbreaks of Rift Valley fever occurirregularly in East Africa, several yearsapart. When outbreaks do occur, theykill thousands of cattle. A livestockvaccine against the disease exists but is rarely used. It is too expensive for farmers to useroutinely, and since it is not effective until a month after vaccination,administering it after an outbreak begins helps very little. Nevertheless, experts predict that use of thevaccine will increase significantly within the next few years.
Which of the following, if true, providesthe strongest justification for the experts’ prediction?
A. Rift Valley fever is spread bymosquitoes, but each outbreak is so widespread that it is impractical tocontrol it by using insecticides.
B. When an outbreak of Rift Valley feveroccurs, unaffected countries often refuse to import livestock from the countriesaffected by the outbreak.
C. It would take less than a month forproducers of the vaccine to adjust their production operations to cope with alarge increase in demand.
D. Many cattle farmers in East Africa are nomadic or live in remote villages, and such farmers,who have little access to modern veterinary medicine, are particularly hard hitby outbreaks of Rift Valley fever.
E. Recently published research has shownthat certain identifiable climatic conditions are almost invariably followed, withintwo to five months, by an outbreak of Rift Valley fever.
Answer: E
也发两道题 就是晚上做的逻辑链
不懂这两题 大家给解释下哈 谢啦-- by 会员 corneliaflower (2011/9/18 0:19:57)
咦〉？花儿没有看到我的回复吗？再贴一下：
花儿，题目是这样叙述的：
3. Political advocacy groups have begun to use information services to disseminate information that is then accessed by the public via personal computer. (背景） Since many groups are thus able to bypass traditional news sources, whose reporting isselective, and to present their political views directly to the public （premise）,information services present a more balanced picture of the complexities of political issues than any traditional news source presents_________（结论）
Premise: 说因为新的information services可以提供traditional news sources并且将political views直接公布出来。
Conclusion：所以说information services比traditional new sources提供一个更完整平衡的政治issues。
答案是 Information on political issues disseminated through information services does not come almost entirely from advocacy groups that share a single bias.
注意does not，如果我们将does not用取非的方法，为information on political issues...through information service do come almost entirely from.....that share a single bias.
如果information service share a single bias,那么就是weaken我们的结论了，应该说information service报道更全面比traditional serive更好才对！所以选项就是它了！
这里是第4题的解释，我也做错了！
NN解释：E.Recently published research has shown that certain identifiable climatic conditions are almost invariably followed, within two to five months, by an outbreak of Rift Valley fever.
1. Vaccine is too expensive.
2. Vaccine is not effective after one month injected.
In order to strengthen the experts' point that the Vaccine's use will increase in next few years, we can either restore 1 or 2. E restores 2 since the vaccine can be used more widely if the experts can predict the climate 2-5months before the outbreak occurs. |
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发表于 2011-9-17 23:42:02
