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标题: <求助>GWD5-36-这周就考了 [打印本页]

作者: miaoyin_tx 时间: 2004-9-23 04:23
标题: <求助>GWD5-36-这周就考了

Q35 to Q37:

Even more than mountainside slides

of mud or snow, naturally occurring forest

fires promote the survival of aspen trees.

Line Aspens’ need for fire may seem illogical

(5) since aspens are particularly vulnerable

to fires; whereas the bark of most trees

consists of dead cells, the aspen’s bark

is a living, functioning tissue that—along

with the rest of the tree—succumbs quickly

(10) to fire.

The explanation is that each aspen,

while appearing to exist separately as

a single tree, is in fact only the stem or

shoot of a far larger organism. A group

(15) of thousands of aspens can actually

constitute a single organism, called a

clone, that shares an interconnected root

system and a unique set of genes. Thus,

when one aspen—a single stem—dies,

(20) the entire clone is affected. While alive,

a stem sends hormones into the root

system to suppress formation of further

stems. But when the stem dies, its

hormone signal also ceases. If a clone

(25) loses many stems simultaneously, the

resulting hormonal imbalance triggers a

huge increase in new, rapidly growing

shoots that can outnumber the ones

destroyed. An aspen grove needs to

(30) experience fire or some other disturbance

regularly, or it will fail to regenerate and

spread. Instead, coniferous trees will

invade the aspen grove’s borders and

increasingly block out sunlight needed by

the aspens.

Q36:

It can be inferred from the passage that when aspen groves experience a “disturbance” (line 30), such a disturbance

leads to a hormonal imbalance within an aspen clone

provides soil conditions that are favorable for new shoots

thins out aspen groves that have become overly dense

suppresses the formation of too many new aspen stems

protects aspen groves by primarily destroying coniferous trees rather than aspens

这题的参考答案是A，不过偶对A有疑惑。偶对文章的理解是Because the stem of aspen dies, its hormone signal also ceasese...The resulting homonal imbalance triggers a lhuge increase in new, rapadily growing shoots than can outnumber the ones destroyed(文中第24-33行).因此推出aspen 需要用火或者其它的干扰来解决这个现象。所以hormone的不均衡是因，干扰是果。根据A答案，干扰是因，hermone不均是果。另外一个证据是，第31行，如果aspen不能被定期干扰一下，它就不能再生或是扩张。这符合C说的干扰会清理掉过密的aspen groves. 请NN们指点一下，是我理解错了? 我是选C。

作者: free_rabbit 时间: 2004-9-24 05:23

我读的是，因为被火烧了，所以荷尔蒙失调了，就会激发更多的生长出来。。

作者: miaoyin_tx 时间: 2004-9-24 10:08

以下是引用free_rabbit在2004-9-24 5:23:00的发言：

我读的是，因为被火烧了，所以荷尔蒙失调了，就会激发更多的生长出来。。

I think you are right. I got it. 多谢啦

作者: Xandria 时间: 2005-6-17 14:00

我怎么怎么读都读不出二楼说的意思来啊?

明显是hormone导致stem生长抑制, 当aspen死了, hormone不分泌了, 所以stem大量的生长, 需要火烧才可以啊?

请NN帮忙看看我理解的哪里有问题啊?

作者: Xandria 时间: 2005-6-17 14:01

我觉得这题应该是选D吧?

作者: Xandria 时间: 2005-6-17 18:50
NN救命啊!

作者: wangyu73cn 时间: 2005-6-18 03:27

明显是hormone导致stem生长抑制, 当aspen死了, hormone不分泌了, 所以stem大量的生长, 需要火烧才可以啊?

stem正常分泌hormone导致further stems生长抑制。当stem死了或发生扰动,其hormone不均衡了, 所以further stems大量生长。

作者: Xandria 时间: 2005-6-18 07:36

请版主再看看, 先谢了.

如果按照版主的说法, 那就应该是这种Disturbulance会使得Hormone数量下降, 进而解决imbalance的问题, 可是A说的是lead to imbalance啊?

作者: wangyu73cn 时间: 2005-6-18 14:43

以下是引用Xandria在2005-6-18 7:36:00的发言：

那就应该是这种Disturbulance会使得Hormone数量下降, 进而解决imbalance的问题, 可是A说的是lead to imbalance啊?

楼上再认真看看原句But when the stem dies, its hormone signal also ceases. If a clone loses many stems simultaneously, the resulting hormonal imbalance。应该是这种Disturbulance会使得Hormone停止分泌，imbalance即指这种停止。

[此贴子已经被作者于2005-6-18 14:44:43编辑过]

作者: sherryly 时间: 2005-7-4 10:23
问一下,37题为啥不选D,分号后不是把most tree和aspeen做比较,指出两者不同吗?

作者: wangyu73cn 时间: 2005-7-4 14:31

以下是引用sherryly在2005-7-4 10:23:00的发言：
问一下,37题为啥不选D,分号后不是把most tree和aspeen做比较,指出两者不同吗?

请贴出题目，方便大家提出意见。谢谢。

作者: afcyrus 时间: 2005-7-5 22:51

The author of the passage refers to “the bark of most trees” (line 6) most likely in order to emphasize the

vulnerability of aspens to damage from fire when compared to other trees

rapidity with which trees other than aspens succumb to destruction by fire

relatively great degree of difficulty with which aspens catch on fire when compared to other trees

difference in appearance between the bark of aspens and that of other trees

benefits of fire to the survival of various types of trees

The author of the passage refers to “the bark of most trees” (line 6) most likely in order to emphasize the

vulnerability of aspens to damage from fire when compared to other trees

rapidity with which trees other than aspens succumb to destruction by fire

relatively great degree of difficulty with which aspens catch on fire when compared to other trees

difference in appearance between the bark of aspens and that of other trees

benefits of fire to the survival of various types of trees

模考的时候看得很匆忙，选B了，请NN解释

作者: afcyrus 时间: 2005-7-5 22:52
以上是37题题目

作者: wangyu73cn 时间: 2005-7-5 23:15

我选A。

37题是道句子作用题。原文：Aspens’ need for fire may seem illogical since aspens are particularly vulnerable to fires; whereas the bark of most trees consists of dead cells, the aspen’s bark is a living, functioning tissue that—along with the rest of the tree—succumbs quickly to fire.分号后面的部分解释了分号前面的内容。分号前面的内容即是A的意思。B选项的意思和原文相反。D选项的内容不是这里所刻意强调的，A更好些。

作者: toeflboy2005 时间: 2006-5-29 04:44

I donot agree with wangyu73"这种Disturbulance会使得Hormone停止分泌，imbalance即指这种停止"。

disturbance leads to many hormone signals ceasing,and then leads to hormone imbalance.

作者: wanggump 时间: 2007-4-25 06:08

以下是引用wangyu73cn在2005-6-18 14:43:00的发言：

这种Disturbulance，比如说fire会烧掉所有的stem，那么Hormone停止分泌，也就是这种imbalance。

C.thins out aspen groves that have become overly dense 因该是所有的stem都被烧死了，因为succumbs quickly
to fire.不仅仅是thins out。

D.suppresses the formation of too many new aspen stems类似的原因，disturbulance不仅仅是suppresses the formation of too many new aspen stems。

作者: fangxia76 时间: 2008-8-17 15:09

不要忘了，有句话，相应的荷尔蒙不平衡会引发巨大的新芽的快速增长，数量比死去的更多。所以要disturbance或fire导致荷尔蒙不平衡，要stem减少，引发新芽的增长。

作者: 逆水潜龙 时间: 2011-11-15 07:06
—along with the rest of the tree—
有点不懂怎么翻译这插入语·

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