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请帮忙两道本月机经题

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楼主
发表于 2009-6-20 12:05:00 | 只看该作者

请帮忙两道本月机经题

我6月25日要考了。最近在看机经时发现如下这题,个人在B、D中犹豫不决,请问各位应该选哪个呀?谢谢!

T-4-Q20 天山-7-22

The violent crime rate (number of violent crimes per 1,000 residents) in Meadowbrook is 60 percent higher now than it was four years ago. The corresponding increase for Parkdale is only 10 percent. These figures support the conclusion that residents of Meadowbrook are more likely to become victims of violent crime than are residents of Parkdale.

The argument above is flawed because it fails to take into account

  1. Changes in the population density of both Meadowbrook and Parkdale over the past four years.

  2. How the rate of population growth in Meadowbrook over the past four years compares to the corresponding rate for Parkdale

  3. The ratio of violent to nonviolent crimes committed during the past four years in Meadowbrook and Parkdale

  4. The violent crime rates in Meadowbrook and Parkdale four years ago

  5. How Meadowbrooks’ expenditures for crime prevention over the past four years compare to Parkdale’s expenditures.

  6. 还有这题,也是在B、D中犹豫,这题GWD中的答案是D,请问B哪里不如D好?谢谢!

  7. Several ancient Greek texts provide accounts of people being poisoned by honey that texts suggest was made from the nectar of rhododendron or oleander plants. Honey made from such nectar can cause the effects the texts describe, but only if eaten fresh, since the honey loses its toxicity within a few weeks of being made. In Greece, rhododendrons and oleander bloom only in springtime, when they are the predominant sources of nectar.
             

  8. Which of the following, if true, most strongly support the accounts of Greek texts?
               

    A.      There are no plants that Greece in ancient times that produce more nectar than rhododendrons or oleanders does.
               

    B.       In areas where neither rhododendrons nor oleanders grow, honey is never poisonous. (no fresh à no toxic)
               

    C.      A beebive’s honeycomb cannot have some sections that contain toxic honey and other sections that contain nontoxic honey
               

    D.      The incidents of honey poisoning that are related in the ancient texts occurred in the springtime or in the early summer
               

    E.       Whether the honey in a beehive is toxic depends solely on which plants
      were the source of that was used to make the honey.

     

     

     

     

    参考答案:D

  9. Which of the following, if true, most strongly support the accounts of Greek texts?
               

    A.      There are no plants that Greece in ancient times that produce more nectar than rhododendrons or oleanders does.
               

    B.       In areas where neither rhododendrons nor oleanders grow, honey is never poisonous. (no fresh à no toxic)
               

    C.      A beebive’s honeycomb cannot have some sections that contain toxic honey and other sections that contain nontoxic honey
               

    D.      The incidents of honey poisoning that are related in the ancient texts occurred in the springtime or in the early summer
               

    E.       Whether the honey in a beehive is toxic depends solely on which plants
      were the source of that was used to make the honey.

     

     

     

     

    参考答案:D

  10. Which of the following, if true, most strongly support the accounts of Greek texts?
               

    A.      There are no plants that Greece in ancient times that produce more nectar than rhododendrons or oleanders does.
               

    B.       In areas where neither rhododendrons nor oleanders grow, honey is never poisonous. (no fresh à no toxic)
               

    C.      A beebive’s honeycomb cannot have some sections that contain toxic honey and other sections that contain nontoxic honey
               

    D.      The incidents of honey poisoning that are related in the ancient texts occurred in the springtime or in the early summer
               

    E.       Whether the honey in a beehive is toxic depends solely on which plants
      were the source of that was used to make the honey.

     

     

     

     

    参考答案:D


[此贴子已经被作者于2009-6-20 12:25:48编辑过]
沙发
发表于 2009-6-21 21:38:00 | 只看该作者
都是D吧
板凳
发表于 2009-6-23 10:50:00 | 只看该作者

1)既然都是比率就不用去考虑人口增长了,不管人口怎么增长,总是1000个人里面有多少人犯罪。

一个是比四年前高60%,一个是比四年前高10%,就得出结论前者比后者更容易犯罪,哪里不对呢?如果前者四年前是10%,后者四年前是80%,那么四年后前者是70%,后者是90%,那么结论就不成立了。所以题目没有考虑四年前的犯罪率。

2)古希腊说蜂蜜和夹竹桃是中毒的原因,而且只有吃新鲜的蜂蜜才会中毒,而新鲜的是在春天制造的。

D说基本上所有的中毒都是在春天发生的,是不是加强了蜂蜜是中毒的原因呢?

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