GWD 17-11 帮忙看看吧

XUANYA2005

我也选择了C，但是我觉得C是不正确的。C说被捕杀的天鹅每年都再增加，那么如果每次都是总数的5％，那么就是说天鹅的数量每年都在增加，所以正好strength the conclusion。

基本上楼上对于C的分析很有道理。

而对于B，我认为消弱的力量也不行。首先对于楼上的分析不能认同，因为文中无法退出2）中“其他birds也会被捕杀”的结论，因为从头到尾根本没有提到其他bird被猎杀的可能。唯一能解释B的就是：

既然每年狩猎期提前结束，那么就是说明天鹅的总数一直在减少（隐含假设捕杀的速度不变），那么不需要drop那个policy，也可以allow the other species to recover。但是这样的反对好像不是很强，最多只能算是勉强。如果本题的结论是：“to allow the other species to recover, dropping the plicy is nesscessary",那么B就肯定对了。

open to discuss.

shashaxz

真的不懂B在说什么，但是还是选了B.

因为其他的都错得比较过分。

发现特别想不通的那个一般就是答案。

[此贴子已经被作者于2005-11-28 22:16:30编辑过]

dpreview

...

[此贴子已经被作者于2008-7-30 12:31:24编辑过]

livary

我认为选D,理由:

the hunting season ends if and when hunting has reduced the population by five percent,表示hunting geese太多就会结束hunting,那么如果不结束hunting就表示其他种类可以recover;要削弱这个结论,可以说就算不结束hunting,也不会增加geese的猎捕因此不会使其他种类recover;

B)It has been many years since the restriction led to the hunting season for snow geese being closed earlier than the scheduled date.(很多年来hunting season都提前结束),表示很多年来geese的猎捕都提早达到5%的数量,无关;

D)As their population has increased, snow geese have recolonized wintering grounds that they had not used for several seasons.(随着数量增加,他们冬天会移居到其他季节不用的地方去),表示可能找不到它们或者hunt不了它们,因此就算不结束hunting也不会猎捕更多的geese-->削弱

to be discussed...

steveyangxt

以下是引用Joey在2005-11-13 11:33:00的发言：

Q11:

Some species of Arctic birds are threatened by recent sharp increases in the population of snow geese, which breed in the Arctic and are displacing birds of less vigorous species.  Although snow geese are a popular quarry for hunters in the southern regions where they winter, the hunting season ends if and when hunting has reduced the population by five percent, according to official estimates.  Clearly, dropping this restriction would allow the other species to recover.

当狩猎数量是总数量减少５％时，狩猎期被禁止＝〉结论，放弃这个制度可以给别的种族的鸟留下ｒｅｃｏｖｅｒ的机会（其中暗含一个过渡：放弃制度会使天鹅受到捕杀的增多）

Which of the following, if true, most seriously undermines the argument?

1. Hunting limits for snow geese were imposed many years ago in response to a sharp decline in the population of snow geese.　几年前，无关


2. It has been many years since the restriction led to the hunting season for snow geese being closed earlier than the scheduled date.　连续很多年因为这项政策导致狩猎期提前结束=〉被捕杀得天鹅少了=〉别的鸟类不能recovery　


3. The number of snow geese taken by hunters each year has grown every year for several years. 被捕杀天鹅的天鹅每年数目都在增多，继而削弱即使不放弃捕猎的限制，别的鸟类也可以recovery


4. As their population has increased, snow geese have recolonized wintering grounds that they had not used for several seasons.


5. In the snow goose’s winter habitats, the goose faces no significant natural predation.

Answer: B，可是按照我以上的思路怎么也不觉得B削弱啊？

b的意思理解有误。应该是因为这项政策导致狩猎期提前结束是很多年前的事了。 暗指禁令早不管用了 记得讨论过了 不知道在那里

steveyangxt

以下是引用livary在2005-12-10 17:39:00的发言：

我认为选D,理由:

the hunting season ends if and when hunting has reduced the population by five percent,表示hunting geese太多就会结束hunting,那么如果不结束hunting就表示其他种类可以recover;要削弱这个结论,可以说就算不结束hunting,也不会增加geese的猎捕因此不会使其他种类recover;

B)It has been many years since the restriction led to the hunting season for snow geese being closed earlier than the scheduled date.(很多年来hunting season都提前结束),表示很多年来geese的猎捕都提早达到5%的数量,无关;

D)As their population has increased, snow geese have recolonized wintering grounds that they had not used for several seasons.(随着数量增加,他们冬天会移居到其他季节不用的地方去),表示可能找不到它们或者hunt不了它们,因此就算不结束hunting也不会猎捕更多的geese-->削弱

to be discussed...

楼上法语MM说得有漏洞，D是以雪鹅增长为前提的，recolonized 表示重占，正常理解为别的栖息地都满了才跑到别处的。不影响捕杀几率，甚至加大哦哦 OUI OU NON

jackzhu69

削弱有他因法和断桥法，

此题属于断桥法：

论点：Clearly, dropping this restriction would allow the other species to recover.

B中说It has been many years since the restriction led to the hunting season for snow geese being closed earlier than the scheduled date.

所以对照黄区内容看，dropping=being closed,可是recently＝红区文字却recent sharp increases in the population of snow geese，所以dropping 看来无法decrease snow geese, 因而无法帮助other species to recover.

bigtone

Thanks steveyangxt。jackzhu69说的没看懂。

bigtone

不过不一定是禁令不管用了，可能是增长的snow geese太多了，猎杀5%需要超过原来的预定时间一些，比如1天；那么放开还是可以有效果的啊。

vedder

事情或许是这样的：

1。文章认为geese多了是bird少了原因

2。又认为存在狩猎限制是geese多了的原因

3。b指出，其实这个狩猎限制其实很多年没有被打破过了（狩猎量都未超过5%），所以，现在即使打破了限制，狩猎量也不一定会超过5%，故不一定会减少geese，增加bird

请指教