hehe， 楼上的MM， 这里的farther是更远的意思，是far, 不是fast的比较级。B中扯的有点远了，而且就算真需要扩产，那也是一次性投资，而不影响厂家获益。
再说，哪个厂家不希望扩产啊。。。那是因为有生意啊。
E.
New regenerators will service same distance with less regenerators, thus will hinder the need for regenerators, in turn will hinder the profit for Light-Line. This innovation goes against Light-Line.
B.
To produce more regenerators will require more labor and material cost is almost a prerequisite to increase output for all such companies. This does not go against light-line.
16. GWD31-16
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 farther. 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. 建好fiber→为了要更快→regenerator→L公司利益↑
Which of the following, if true, casts the most doubt on the prediction about light-line’s prospects?
A. Telecommunications signals sent along electrical wires can travel much farther than signals transmitted through fiber-optic before needing to be regenerated. 否定的位置不对，原文前提已经说fiber-optic比wires快
B. Expanding its production of regenerators will require Light-Line to spend proportionately more on labor and materials.
重点不是在L公司的其它花费上面，也有可能利益和花费同等增加
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. 没否定反而小小支持
D. There are technologies that enable telecommunications signals to be transmitted without either wire or fiber-optic cable. 否定的位置不对
完全否定了前提的必需条件
是偏掉了的否定
不对
E. Several manufacturers are developing regenerator technologies that will allow signals to be transmitted many times farther than at present before requiring regeneration. 直接站在regeneration的点上，把利益在使用regeneration前就被打断，使得L公司的利益不可能↑
16. GWD31-16
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 farther. 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. 建好fiber→为了要更快→regenerator→L公司利益↑
Which of the following, if true, casts the most doubt on the prediction about light-line’s prospects?
A. Telecommunications signals sent along electrical wires can travel much farther than signals transmitted through fiber-optic before needing to be regenerated. 否定的位置不对，原文前提已经说fiber-optic比wires快
B. Expanding its production of regenerators will require Light-Line to spend proportionately more on labor and materials.
重点不是在L公司的其它花费上面，也有可能利益和花费同等增加
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. 没否定反而小小支持
D. There are technologies that enable telecommunications signals to be transmitted without either wire or fiber-optic cable. 否定的位置不对
完全否定了前提的必需条件
是偏掉了的否定
不对
E. Several manufacturers are developing regenerator technologies that will allow signals to be transmitted many times farther than at present before requiring regeneration. 直接站在regeneration的点上，把利益在使用regeneration前就被打断，使得L公司的利益不可能↑
lE.
New regenerators will service same distance with less regenerators, thus will hinder the need for regenerators, in turn will hinder the profit for Light-Line. This innovation goes against Light-Line.
B.
To produce more regenerators will require more labor and material cost is almost a prerequisite to increase output for all such companies. This does not go against light-line.
这个解释很清楚
我认为从结论的具体性和特殊性来说E是不能削弱的,如文中结论说的Light-line is one of the companies that will most benefit if new long-distance fiber-optic telecommunications networks are constructed. 而E就是在重复结论嘛
晕,我懂了,文中原来是针对 will most benefit 的特殊性来削弱的
结论是说LL会成为最benefit的，削弱就是说别人会产生一种技术，使得人家的regenerator比LL的更有效率，那么就没人买LL的产品了。
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