gwd-1-33

chasedreamtrue

以下是引用usdream在2004-9-6 19:38:00的发言：

Q33:

A company plans to develop a prototype weeding machine that uses cutting blades with optical sensors and microprocessors that distinguish weeds from crop plants by differences in shade of color.  The inventor of the machine claims that it will reduce labor costs by virtually eliminating the need for manual weeding.

Which of the following is a consideration in favor of the company’s implementing its plan to develop the prototype?

1. There is a considerable degree of variation in shade of color between weeds of different species.
2. The shade of color of some plants tends to change appreciably over the course of their growing season.
3. When crops are weeded manually, overall size and leaf shape are taken into account in distinguishing crop plants from weeds.
4. Selection and genetic manipulation allow plants of virtually any species to be economically bred to have a distinctive shade of color without altering their other characteristics.
5. Farm laborers who are responsible for the manual weeding of crops carry out other agricultural duties at times in the growing season when extensive weeding is not necessary.

Here, why E is wrong? I think probably farm labors who carry out other duties because of new machine will indeed reduce the labor costs.

Dizzy now, could any NN help me?

这个新机器的目的是reduce labor costs by virtually eliminating the need for manual weeding    在D当中提到了be economically bred to，所以就选了D

miyuga

以下是引用yogaII在2006-10-11 9:17:00的发言：

D for sure

这个公司打算发展一种自动除草的机器. 这个机器利用shade of color 来分辨crop plants 和weeds. (可能疑问是: weeds和plants能否通过shade of color来分辨)

问in favor of the company’s implementing its plan (就是说那些选项可以去除implementation中的疑问, 比如我上面提的那个疑问)

D说通过基因选择可以便宜的使得plants of virtually any species 有 distinctive shade of color. 回答了我上面提出的疑问.

E 说那些哥们在非除草季节干别的农活. 有没有机器他们在非除草季节都干农活.
无关项.

A company plans to develop a
prototype weeding machine that uses cutting blades with optical sensors
and microprocessors that distinguish weeds from crop plants by
differences in shade of color. The inventor of the machine claims that
it will reduce labor costs by virtually eliminating the need for manual
weeding.

 

 

 

Which of the following is a consideration in favor of the company’s implementing its plan to develop the prototype?

 

 

 

 

1. There is a considerable degree of variation in shade of color between weeds of different species.
2. The shade of color of some plants tends to change appreciably over the course of their growing season.
3. When crops are weeded manually, overall size and leaf shape are taken into account in distinguishing crop plants from weeds.
4. Selection
   and genetic manipulation allow plants of virtually any species to be
   economically bred to have a distinctive shade of color without altering
   their other characteristics.
5. Farm
   laborers who are responsible for the manual weeding of crops carry out
   other agricultural duties at times in the growing season when extensive
   weeding is not necessary.

同意!!

miyuga

D直接说明了这种机器的可行性,是支持的选项.E无关

cindyswufe

E错就错在“when extensive weeding is not necessary”这句话上，不需要大量除草的话，不管怎样都与论题无关了。

mixtec

公司研发原型机只要考虑技术因素就好。题干已经对此做了限制

E无关

tangzimo

以下是引用calla在2005-4-23 14:15:00的发言：

E好像是说机器有用了，人才有时间去做别的农活吧。
虽然我知道D是正确的，可是还是不太清楚为什么E不对呢？

那我们来仔细看一下E：

Farm laborers who are responsible for the manual weeding of crops carry out other agricultural duties at times in the growing season when extensive weeding is not necessary

我翻译的是：负责手动收割庄稼的农民们，在生长期中那些没必要进行大规模割草的时间里，还有别的农活儿要做。

这么一看，E怎么可能是正确项呢……

各位对这个翻译怎么看：）

vanissa

agree with tangzimo !

"when extensive weeding is not necessary"  is the key point here!

E is irrelevant.

reagon_997

in favor of在这里是＂有利于 ＂的意思，Ｅ选项是发展了割草机带来的好处，而该题目是　＂有什么样的条件　＂可以有利于发展割草机这项计划．因果关系．支持Ｄ

smartcoco

注意此题的问题是：“in favor of the company’s implementing its plan to develop the prototype  ”？

因为这个计划还没有实施，选项应该是说明发展这个设备的可行性，D  提供了这个信息

open to discuss

jesuisdesole

E.Farm laborers who are responsible for the manual weeding of crops carry out other agricultural duties at times in the growing season when extensive weeding is not necessary

我觉得这个E明明就在说,负责锄草的人在不必须锄草的季节干其他的活去了,what if in season when extensive weeding is necessary?他们是不是会回来锄草?还是让机器干?没给出...原文说的是基本上用了机器就用不着人了,就是说必须锄草的季节里也不用人,但是E对推出这个结果是很鸡肋的,试问一个到底怎么样没给出的选项怎么能选呢?

D:

题目中机器的使用是建立在能分清COLOR的基础上,承认植物的COLOR可以被承认就等于证明机器被使用的可能性.

[此贴子已经被作者于2008-5-8 11:14:48编辑过]