作者: laihong 时间: 2005-11-5 16:38
选E吧.题目说如果new long-distance fiber-optic telecommunications networks are constructed. 那么该公司收益, D说不用fiber-optic , 所以无关. B支持, 因为公司能够获得这工程, 而简单地说材料和劳动成本成比例增加,不能推出公司不获利.E说其他公司可能会抢走这工程
作者: boyray 时间: 2005-11-12 16:01
比较下来也只有E了
其实感觉E也不是最完美，因为题目中说过Light-line is one of the companies that will most benefit... 本来就没有排除其他公司。
作者: jjll 时间: 2005-11-15 21:12
D为什么不可以？如果D正确的话，fire-optic都不会建了，那不就是cast most doubt on the prediciton about lightline's prospects?
请NN参加讨论。
作者: sunnybest 时间: 2005-11-16 08:43
同意4楼的观点,我也选D.
其他公司也会从中获利与L公司获利本来就不矛盾呀,文中明确指出L是获利最多的公司之一,并不具有排他性呀!
作者: 铁甲 时间: 2005-11-16 10:51
D只是说存在一种无线技术,但是这种技术能否给光纤技术带来威胁?没有提到.所以无关
作者: hy903 时间: 2005-11-20 13:28
我选d, 因为e最后说是before requiring regeneration. 无关。
作者: hy903 时间: 2005-11-20 13:29
我选d, e最后说before requiring regeneration.，无关
作者: lunabird 时间: 2005-12-14 02:47
选D没错。
因为（1）“Signals running through fiber-optic cables deteriorate, and so the signals must be run through a piece of equipment called a regenerator before being transmitted father.”（2）“Light-Line is the leading manufacturer of signal regenerators.”所以文中推理该公司会从中获益。现在找削弱，就是公司不会从中获益。
D说新的技术使signals to be transmitted without either wire or fiber-optic cable，获益前提中（1）已经不存在了，所以，公司不会获益，消弱！
作者: jackzhu69 时间: 2005-12-14 23:39
TO:lunabird
文中结论：Therefore, Light-line is one of the companies that will most benefit if new long-distance fiber-optic telecommunications networks are constructed.已经确认需要采用fiber-optic技术了，此处无法采用断桥法来削弱结论。
作者: justintime 时间: 2005-12-15 01:41
D根本上也是一个无关项目，文章已经提到fiber-optic telecommunications networks are constructed
B也是无关
只有E可以weaken，
作者: Dinaxie 时间: 2005-12-18 11:45
B: Expanding its production of regenerators will require Light-line to spend proportionately more on labor and materials.
怎么不对了？正好反对
Light-line is one of the companies that will most benefit if new long-distance fiber-optic telecommunications networks are constructed.
作者: elvislg2003 时间: 2005-12-23 08:29
I vote for D.
The conclusion is made based on the premise that since LL is a leading manufacturer of signal regenerators, the construction of long-distance telecommunications will benefit the company. There is an assumption that the construction of network must require using regenerators. If D is true, the assumption can’t hold any more. E is a trap. No matter how fast it is, it is still required of regenerators.
作者: 追逐梦想2006 时间: 2006-3-20 21:50
分析了很长时间，还是认为B是正确的答案
16: In recent years, networks of fiber-optic cable have been replacing electrical wire for transmitting telecommunications signals. Signals running through fiber-optic cables deteriorate, and so the signals must be run through a piece of equipment called a regenerator before being transmitted father. Light-Line is the leading manufacturer of signal regenerators. Therefore, Light-line is one of the companies that will most benefit if new long-distance fiber-optic telecommunications networks are constructed.
Which of the following, if true, casts the most doubt on the prediction about light-ling’s prospects? 注意问是否能most benefit? 如果fiber-optic 网络constructed
A: Telecommunications signals sent along electrical wires can travel much farther than signals transmitted through fiber-optic before needing to be regenerated.
B: Expanding its production of regenerators will require Light-line to spend proportionately more on labor and materials. 【简而言之，就是说成本随着产品扩大，成比例提升，说明不一定benefit】
C: The volume of signals that a fiber-optic cable can carry is several thousand times greater than the volume that can be carried by an electrical wire of similar size. 【volume不是判断是否盈利的标准】
D: There are technologies that enable telecommunications signals to be transmitted without either wire or fiber-optic cable.【是否有其他技术不一定能削弱，还需要考虑其成本等因素】
E: Several manufacturers are developing regenerator technologies that will allow signals to be transmitted many times farther than at present before requiring regeneration. 【文中并没有说明signal能被transmitted farther就代表了其优势。文中只说这个signal 被传递farther就可行】
个人认为B是比较合理的削弱答案。
作者: annding 时间: 2006-4-21 15:24
支持E!这道题就是针对long-distance telecommunications 而非其它 telecommunications ！
作者: titatita 时间: 2006-6-6 19:38
分析了很长时间，还是认为B是正确的答案
16: In recent years, networks of fiber-optic cable have been replacing electrical wire for transmitting telecommunications signals. Signals running through fiber-optic cables deteriorate, and so the signals must be run through a piece of equipment called a regenerator before being transmitted father. Light-Line is the leading manufacturer of signal regenerators. Therefore, Light-line is one of the companies that will most benefit if new long-distance fiber-optic telecommunications networks are constructed.
Which of the following, if true, casts the most doubt on the prediction about light-ling’s prospects? 注意问是否能most benefit? 如果fiber-optic 网络constructed
A: Telecommunications signals sent along electrical wires can travel much farther than signals transmitted through fiber-optic before needing to be regenerated.
B: Expanding its production of regenerators will require Light-line to spend proportionately more on labor and materials. 【简而言之，就是说成本随着产品扩大，成比例提升，说明不一定benefit】
C: The volume of signals that a fiber-optic cable can carry is several thousand times greater than the volume that can be carried by an electrical wire of similar size. 【volume不是判断是否盈利的标准】
D: There are technologies that enable telecommunications signals to be transmitted without either wire or fiber-optic cable.【是否有其他技术不一定能削弱，还需要考虑其成本等因素】
E: Several manufacturers are developing regenerator technologies that will allow signals to be transmitted many times farther than at present before requiring regeneration. 【文中并没有说明signal能被transmitted farther就代表了其优势。文中只说这个signal 被传递farther就可行】
个人认为B是比较合理的削弱答案。
作者: best800 时间: 2006-6-6 23:31
分析了很长时间，还是认为B是正确的答案
16: In recent years, networks of fiber-optic cable have been replacing electrical wire for transmitting telecommunications signals. Signals running through fiber-optic cables deteriorate, and so the signals must be run through a piece of equipment called a regenerator before being transmitted father. Light-Line is the leading manufacturer of signal regenerators. Therefore, Light-line is one of the companies that will most benefit if new long-distance fiber-optic telecommunications networks are constructed.
Which of the following, if true, casts the most doubt on the prediction about light-ling’s prospects? 注意问是否能most benefit? 如果fiber-optic 网络constructed
A: Telecommunications signals sent along electrical wires can travel much farther than signals transmitted through fiber-optic before needing to be regenerated.
B: Expanding its production of regenerators will require Light-line to spend proportionately more on labor and materials. 【简而言之，就是说成本随着产品扩大，成比例提升，说明不一定benefit】
C: The volume of signals that a fiber-optic cable can carry is several thousand times greater than the volume that can be carried by an electrical wire of similar size. 【volume不是判断是否盈利的标准】
D: There are technologies that enable telecommunications signals to be transmitted without either wire or fiber-optic cable.【是否有其他技术不一定能削弱，还需要考虑其成本等因素】
E: Several manufacturers are developing regenerator technologies that will allow signals to be transmitted many times farther than at present before requiring regeneration. 【文中并没有说明signal能被transmitted farther就代表了其优势。文中只说这个signal 被传递farther就可行】
个人认为B是比较合理的削弱答案。
作者: tiandaochouqin 时间: 2006-6-7 06:12
I think D is not the best answer, because even though there is tech. but it may not be used.
E is wrong, because they might still need the product.
so D is a better choice.
作者: tiandaochouqin 时间: 2006-6-7 06:14
B is also wrong because every expanding definately needs more costs, so it is not a strong point.
作者: mymengming 时间: 2006-7-20 21:48
B is also wrong because every expanding definately needs more costs, so it is not a strong point.
支持,而且更重要的是题目没有说要扩展的阿!!
支持E
作者: mbz 时间: 2006-7-20 22:56
agree to have D
作者: dogmousepwc 时间: 2006-8-3 22:09
我也选的是B。E只谈了技术，没有谈收益啊！
比如，新科技的那些玩意儿巨贵，比Light－line的东东贵好多，人家运营商还会买么？至少我们不能通过D/E来排除这些可能。
而B呢，谈到了收入，成本，所以应该是正确的选项！
个人意见，呵呵
作者: huhai 时间: 2006-8-16 16:15
我本来只有一个意见的，看完讨论，我有三个意见了。
作者: mbz 时间: 2006-8-16 23:13
Just passed by, and saw this question again. What did I find? My oringnal choice D is out of scope. Hahaha. How ironic.
作者: volleyball 时间: 2006-8-24 16:05
up E.
作者: michaelyun 时间: 2006-8-30 11:31
B,是废话，即便如此，benefits也可能proportionately增加，无法削弱原文
D，问题问的需要削弱的是prediction about light-ling’s prospects，而这个prediction是基于new long-distance fiber-optic telecommunications networks are constructed。是一个公认的事实。可以说不建了，就没有利润了，但是不能削弱建了之后也没有利润。
所以，相对而言，E是最好的削弱，即便f-o networks建了，其他manufacturers的产品更好，使得l-l不能获得更多的利润。
作者: angelhuqi 时间: 2006-9-2 11:57
俺说两句,因为俺稍微懂点有关通讯方面的技术,E 是说如果有了一种新的技术, 在传输很远距离的时候不用那个:增强器(或者是放大器)"也可以完成长距离传输, 那么那个公司生产的 增强器就没有市场了, 因此也就不会有利润了. E 削弱了结论
作者: zlily424 时间: 2006-9-10 07:53
support D!
作者: autarkia_ 时间: 2006-9-18 03:02
b,大家要主意结论的具体性哦.
作者: ecochem 时间: 2006-10-19 10:39
看了讨论，觉得还是E最有说服力
作者: Cantaloupe 时间: 2006-11-15 23:05
分析了很长时间，还是认为B是正确的答案
16: In recent years, networks of fiber-optic cable have been replacing electrical wire for transmitting telecommunications signals. Signals running through fiber-optic cables deteriorate, and so the signals must be run through a piece of equipment called a regenerator before being transmitted father. Light-Line is the leading manufacturer of signal regenerators. Therefore, Light-line is one of the companies that will most benefit if new long-distance fiber-optic telecommunications networks are constructed.
Which of the following, if true, casts the most doubt on the prediction about light-ling’s prospects? 注意问是否能most benefit? 如果fiber-optic 网络constructed
A: Telecommunications signals sent along electrical wires can travel much farther than signals transmitted through fiber-optic before needing to be regenerated.
B: Expanding its production of regenerators will require Light-line to spend proportionately more on labor and materials. 【简而言之，就是说成本随着产品扩大，成比例提升，说明不一定benefit】
C: The volume of signals that a fiber-optic cable can carry is several thousand times greater than the volume that can be carried by an electrical wire of similar size. 【volume不是判断是否盈利的标准】
D: There are technologies that enable telecommunications signals to be transmitted without either wire or fiber-optic cable.【是否有其他技术不一定能削弱，还需要考虑其成本等因素】
E: Several manufacturers are developing regenerator technologies that will allow signals to be transmitted many times farther than at present before requiring regeneration. 【文中并没有说明signal能被transmitted farther就代表了其优势。文中只说这个signal 被传递farther就可行】
个人认为B是比较合理的削弱答案。
差点被骗了，BENEFIT 不是 PROFIT 啊，受益就行。正确答案E.
作者: josephhe 时间: 2006-11-16 11:08
支持B,
16: In recent years, networks of fiber-optic cable have been replacing electrical wire for transmitting telecommunications signals. Signals running through fiber-optic cables deteriorate, and so the signals must be run through a piece of equipment called a regenerator before being transmitted father. Light-Line is the leading manufacturer of signal regenerators. Therefore, Light-line is one of the companies that will most benefit if new long-distance fiber-optic telecommunications networks are constructed.
题目说，如果建设fiber optic networks的话，Light-line最大获利。
B: Expanding its production of regenerators will require Light-line to spend proportionately more on labor and materials.
如果扩大生产的话，Light-Line需要对labor和material付出相对比例更高的开销。由于是成本增长相对比例更高，所以不一定获利。weaken结论。
D: There are technologies that enable telecommunications signals to be transmitted without either wire or fiber-optic cable.
只能说明新技术不需要fiber也不需要wire，所以在如果建设fiber-optic network的前提下，不一定weaken结论。
E: Several manufacturers are developing regenerator technologies that will allow signals to be transmitted many times farther than at present before requiring regeneration.
假设Light-line不在这些manufacturers之内，那么即使竞争对手的技术好，也不一定会让Light-line不会获得最大利益。没有其他前提的条件下，不能说Light-line不会在竞争中取得最大利益。
个人拙见。
作者: sabrina07 时间: 2007-1-19 16:41
E
作者: abort 时间: 2007-1-22 13:53
e吧
B中spend proportionately more on labor and materials.的意思是使得人工和材料费成比例地增加吧，proportionately是形容more的
作者: LOUI1121 时间: 2007-1-22 18:17
文中根本没有提到EXPANSION. 大家不要自己设想. B)为无关.
作者: 小蓓 时间: 2007-2-17 11:01
选E，差点没注意到E项说得是Several manufacturers are developing regenerator technologies ，而非regenerator，所以对regenerator 的生产商Light-Line构成威胁
作者: benja 时间: 2007-7-18 17:14
觉得B这个选项，说Expanding its production会花费labor and materials.，但是没说能不能带来更多的利益呀，如果有的话，可能会抵消这些花费也不一定。
还有就是E 说 Several manufacturers are developing regenerator technologies，也没说能不能研制成功。
D无关项，
应该选什么？？？
作者: mimixiaxia 时间: 2007-9-1 20:38
up
作者: Whitney 时间: 2007-9-2 07:32
(E)
The argument belongs to past versus future type. For this type question, the assumptiuon always is "All other factors are unchaged". (E) suggest that the number of regenerators required for new network will decrease, ->all manufactures of regenerators including Light-line will be affected.
作者: zijing4546 时间: 2007-9-3 22:48
本题的前提是
if new long-distance fiber-optic telecommunications networks are constructed.
D选项说其他技术的应用会导致fiber optic不再被使用，
推翻前提，不能算削弱，D选项就是推翻前提。
附带个例子：我有翅膀，所以我会飞。
推翻前提： 我没有翅膀
削弱：我虽然有翅膀，但是我却没有鸟类所特有的适合飞行的骨骼结构。
削弱比须是在肯定前提的基础上的
作者: kaijen 时间: 2007-9-12 11:52
我覺得B是對的 因為它跟獲利(benefit)最有關係 因此最能反駁結論
to spend proportionately more on labor and materials
D: There are technologies that enable telecommunications signals to be transmitted without either wire or fiber-optic cable.
題目已說if new long-distance fiber-optic telecommunications networks are constructed 因此這是無關選項
E: Several manufacturers are developing regenerator technologies that will allow signals to be transmitted many times farther than at present before requiring regeneration.
訊號能夠傳送更遠是無關的 因為並不代表訊號不會惡化
是訊號的品質影響L公司能不能獲利 而非訊號的距離
作者: IVYLEROY 时间: 2008-7-1 11:10
D超出了文章的范围，最后一句说 if ....fiber-optic....are constructed.
作者: dirrrk 时间: 2008-9-14 19:06
差点被骗了，BENEFIT 不是 PROFIT 啊，受益就行。正确答案E.
顶一个
作者: 云游 时间: 2013-9-13 20:32
追逐梦想2006 发表于 2006-3-20 21:50
分析了很长时间，还是认为B是正确的答案Which of the following, if true, casts the most doubt on the pr ...
Labor and materials are not the only input in manufacturing regenerators, other factor, for example logistics, will also account to the total cost! B should be crossed out!
作者: 问啊问啊 时间: 2015-6-23 09:37
做的时候B确实犹豫过，觉得增加了成本并不表示不能benefit，现在看来当时的想法是对的。
之所以选E，是忽略了了结论中的 one of the company，私以为E选项其实说的是，有不止一个公司都有可能获益，是从限定范围角度反驳了结论，one of or not one of，而不是从这些公司会抢LL公司的饭碗的角度考虑的
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