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标题: Gwd-5-21,可以帮忙解释一下吗? [打印本页]

作者: comeby_j2004    时间: 2004-9-19 12:51
标题: Gwd-5-21,可以帮忙解释一下吗?

GWD第五套第21题:


Q21:


In Teruvia, the quantity of rice produced per year is currently just large enough to satisfy domestic demand.  Teruvia’s total rice acreage will not be expanded in the foreseeable future, nor will rice yields per acre increase appreciably.  Teruvia’s population, however, will be increasing significantly for years to come.  Clearly, therefore, Teruvia will soon have to begin importing rice.



Which of the following is an assumption on which the argument depends?




  • No pronounced trend of decreasing per capita demand for rice is imminent in Teruvia.

  • Not all of the acreage in Teruvia currently planted with rice is well suited to the cultivation of rice.

  • None of the strains of rice grown in Teruvia are exceptionally high-yielding.

  • There are no populated regions in Teruvia in which the population will not increase.

  • There are no major crops other than rice for which domestic production and domestic demand are currently in balance in Teruvia.

  • 除了选项a, 我怎么觉得e也有道理啊,请nn帮着指点一下选项e的正确含义是什么好吗?


    作者: lawyer_1    时间: 2004-9-19 22:45
    原文说的是RICE,E说的是 major crops other than rice ,即使能替代米,使每个人对米的需求量减少(及A),也需要假设能替代米。
    作者: ketchum    时间: 2004-10-5 02:06
    C为什么不对啊?
    作者: mindfree    时间: 2004-10-5 05:18
    If you think C is correct, you might have misunderstood C. Here it does not matter whether the rice strain is high yield or low yield. If you thought C means the rice strain has potential to grwo more rice per acre, which is apparently a misunderstanding, the argument has said that "...nor will rice yields per acre increase appreciably"
    作者: agnesqin    时间: 2004-10-8 12:53

    E 的意思是除了大米以外没有其他的农作物的国内生产和需求达到了平衡。属于无关选项,因为就算其他农作物达到了平衡,大米的每人需求量如果不变的话,还是需要从国外进口。


    作者: jeshenkimo    时间: 2004-10-23 05:40

    All NN,

    Thank you so much! It becomes clearer.

    jeshenkimo


    作者: g077126    时间: 2004-11-20 14:03

    agnesqin good work.


    作者: rstdue    时间: 2005-2-4 19:03

    1)       A)说需要稻米的人口上升--->推出结论(,Teruvia will soon have to begin importing rice.)   是这样的意思吗?因为我还是不太懂(A)的意思


    谢谢.





         另外,我想


    No pronounced trend of decreasing per capita demand for rice is imminent in Teruvia.= any pronounced trend of decreasing per capita demand for rice is not imminent in Teruvia.


    对吗??





                


    [此贴子已经被作者于2005-2-4 19:04:16编辑过]

    作者: waway1984    时间: 2005-2-20 09:37

    我现在是不明白什么叫做decreasing per capita demand for rice ?因为不理解这个句子导致我不知道该选哪个了。


    作者: scorpio0001    时间: 2005-3-2 11:43

    A的意思是:在近期T国中,没有减少人均大米需求的显著趋势发生。取非后,即有减少人均大米需求的显著趋势发生。即人数增多,人均减少,总数仍可以不变。就不需要进口了。所以为not+削弱型假设。

    decreasing per capita demand for rice :减少人均大米需求


    作者: ethyl    时间: 2005-5-18 04:45

    A:正确。取非,人均大米需求会马上显著下降,则有可能总需求量不变,因此不必进口大米

    B:无关。取非,所有耕地都适合种大米,但前提是亩产量不会增加,所以对原论证无影响

    C:无关。原因同B,前提是不能改的

    D:继续无关。取非,有些地区人口会不增长,但前提是总人口要增长

    E:lawyer说得很透彻,要不无关,因为其他的作物跟主题不相关;要不需要假设其他作物可以取代大米


    作者: tomato8306    时间: 2005-9-4 16:30
      thanks
    {codestart}<SCRIPT language=javascript type=text/javascript>
    document.write (usercolor('22','scorpio0001'));
    </script>{codeend}
    scorpio0001,so clear
    作者: tomato8306    时间: 2005-9-4 16:31
    thank
    作者: eaststar    时间: 2006-5-19 22:39

    Q21:

    In Teruvia, the quantity of rice produced per year is currently just large enough to satisfy domestic demand.  Teruvia’s total rice acreage will not be expanded in the foreseeable future, nor will rice yields per acre increase appreciably.  Teruvia’s population, however, will be increasing significantly for years to come.  Clearly, therefore, Teruvia will soon have to begin importing rice.

     

    Which of the following is an assumption on which the argument depends?

     

    1. No pronounced trend of decreasing per capita demand for rice is imminent in Teruvia.
    2. Not all of the acreage in Teruvia currently planted with rice is well suited to the cultivation of rice.
    3. None of the strains of rice grown in Teruvia are exceptionally high-yielding.
    4. There are no populated regions in Teruvia in which the population will not increase.

    There are no major crops other than rice for which domestic production and domestic demand are currently in balance in Teruvia

    A: 如果人均大米消费下降,虽然人数上升,消费的大米总数量不一定上升,因此是weaken. not weaken is assumption.

    B: 无关

    C:原文已经说了总产量不会上升,一个地方产量的上升没有意义,无关

    D: 原文已否定

    E:原文说的是大米,跟其它作物没有关系,无关


    作者: numberunique    时间: 2006-6-16 18:58

    5 楼  appears to be plausible


    [此贴子已经被作者于2006-6-16 19:01:59编辑过]

    作者: toapplezyj    时间: 2006-10-5 22:26

    思路:supply=demand,题中说supply:面积不变,单位面积产量不变,意思就是总supply不变;人口增加,推出结论:需要进口

    如果还是供需平衡的话,则无须进口。要推出需要进口,必然是需求变大了

    所以假设人均消费量不变的话,人口增加就能引起总demand增加。所以选A


    作者: elinaqu    时间: 2007-9-5 17:32

    这个帖子解释得真好。赞一个!


    作者: yangxuemei0111    时间: 2007-10-18 02:18
    Thanks !
    作者: mukti712    时间: 2007-11-8 10:04

    我怎么认为E项的错误主要在于时态啊,一般现在时。

    题目关注的是将来的事情:Teruvia’s population, however, will be increasing significantly for years to come.  Clearly, therefore, Teruvia will soon have to begin importing rice.

    如果E项也改成将来时的话,就是正确选项了。即将来rice不足的时候,可以用其他作物来平衡需求。


    作者: amorela    时间: 2007-11-30 15:16
    以下是引用mukti712在2007-11-8 10:04:00的发言:

    我怎么认为E项的错误主要在于时态啊,一般现在时。

    题目关注的是将来的事情:Teruvia’s population, however, will be increasing significantly for years to come.  Clearly, therefore, Teruvia will soon have to begin importing rice.

    如果E项也改成将来时的话,就是正确选项了。即将来rice不足的时候,可以用其他作物来平衡需求。

    是CR题啊,又不是SC........E就是一个无关选项啊.有没有其他的major crops不代表他们不吃米了,更不能说明不需要进口米.不要自己加上假设说"有了其他major crops,T国的人就不吃米了".


    作者: ltwy16323    时间: 2008-9-17 14:40

    我觉得可以像刚才的MM那么理解的,这个选项说的是以后的情况,而原文说的原来的情况,所以选项E就是无关选项


    作者: amy1028    时间: 2008-10-26 00:33
    以下是引用mindfree在2004-10-5 5:18:00的发言:
    If you think C is correct, you might have misunderstood C. Here it does not matter whether the rice strain is high yield or low yield. If you thought C means the rice strain has potential to grwo more rice per acre, which is apparently a misunderstanding, the argument has said that "...nor will rice yields per acre increase appreciably"

    thank you! Mindfree... it is very clear!


    作者: lcy19812000    时间: 2010-2-6 01:28
    There are no major crops other than rice for which domestic production and domestic demand are currently in balance in Teruvia

    晕死,这句话的结构搞不清楚,请牛牛帮忙啊。
    in balance for sth.? 没有这个词组啊!!!
    作者: kun5850    时间: 2011-8-1 22:58
    3楼正解
    作者: trackofheart    时间: 2011-11-21 17:41
    真心感谢。。。看的我好透彻。。。
    作者: huangqidong    时间: 2011-11-23 15:10
    e并不是说人们开始吃其他的东西,而是平衡。
    作者: 曹元成    时间: 2018-12-26 14:05
    这道题的逻辑
    耕地不上升 产量不上升 人口大量上升 所以需要进口米

    E 回答的是其他作物供需不平衡
    要让这个假设有效 还需要一个假设
    就是人吃米和其他作物是一个constant的总和 可以吃其他作物来少吃米
    这种需要自己再脑补一个假设的选项那就是必错的
    作者: Bensontuo    时间: 2019-8-26 18:03
    comeby_j2004 发表于 2004-9-19 12:51
    GWD第五套第21题:Q21:In Teruvia, the quantity of rice produced per year is currently just large enou ...

    Spot the question type: Necessary Assumption

    Core of the argument :

    如果作者的論證為真, 那必要假設當然為

    1. 沒有其他的東西會取代上升人口對於米的需求
    2. 人口上升之後, 米的需求絕對上升


    第一個選項直接說

    如果有宣布人均減少米的需求, 那這樣的宣布必定不會即將發生。曲非後變成, 必定會即將發生, 馬上推翻原文邏輯。

    E選項在混淆

    他就是要騙你去以為人民可以用其他東西取代對於米的需求, 然後你就笨笨的去選了。然而, E選項的意思是說, 沒有其他主要的農作物也像米一樣同樣的維持供給以及需求的平衡。 是又怎麼樣? 不是又怎麼樣? 這個農作物一定非為米的替代財嗎? 不一定啊, 題目沒說啊




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