大全-5-18,请给我不牵强的理由

18.   Radio interferometry is a technique for studying details of celestial objects that combines signals intercepted by widely spaced radio telescopes. This technique requires ultraprecise timing, exact knowledge of the locations of the telescopes, and sophisticated computer programs. The successful interferometric linking of an Earth-based radio telescope with a radio telescope on an orbiting satellite was therefore a significant technological accomplishment.

Which of the following can be correctly inferred from the statements above?

(A) Special care was taken in the launching of the satellite so that the calculations of its orbit would be facilitated.

(B) The signals received on the satellite are stronger than those received by a terrestrial telescope.

(C) The resolution of detail achieved by the satellite-Earth interferometer system is inferior to that achieved by exclusively terrestrial systems.

(D) The computer programs required for making use of the signals received by the satellite required a long time for development.（E）

(E) The location of an orbiting satellite relative to locations on Earth can be well enough known for interferometric purposes.

我觉得没有答案正确，可是答案是E。可是题目告诉我们 The successful interferometric linking of an Earth-based radio telescope with a radio telescope on an orbiting satellite 是成功的关键

为什么可以推出选项说两个的location能够清楚的知道呢？

是不是有点牵强？请大家给意见，谢谢

1。“请给我不牵强的理由。”请不要用这样的字眼来回应别人的善意，在这论坛上谁都没义务回答别人的问题，别人的回答是出于一种崇高的信念，不管什麽样的回答都是受欢迎的。况且怎样才算不牵强，以你的标准吗。

2。E是答案无疑。问题问你那个选项能从原文推出来。E不仅仅是从原文最后一句推出。原文说这个技术需要准确知道（eaxct knowlege of）the locations of the telescopes，这个telescopes不但包括Earth-based radio telescope，也包括radio telescope on an orbiting satellite 。因为最后一句说这技术要将Earth-based radio telescope 和radio telescope on an orbiting satellite 联系起来。既然所有的radio telescope的准确位置都知道，当然他们的相对位置也知道了。而且E还很严密的说这种知道的程度是就interferometric目的而言，并不是要精确到多细就多细

完美

hehe，lawyer哥哥，很是敏感！

你对逻辑题很在行，但是怎么老是会误会别人的意思，可以用轻松的心态来对待我的文字吗？

我只是觉得这道题给的答案很牵强，所以需要大家解惑呀！我也是一直很尽力的去帮助别人。文字的东西是大多数时候是有特定的背景环境的，希望你不要再误会我的意思！

但愿我是误会

Hey guys, I think it is misunderstanding. No one means to insult anyone. We welcome discussion and meantime we emphasize respect. Sometimes there is just a fine line between insulting and questioning.

Btw, I agree with E too.

lawyer的话每次都让人有种豁然开朗的感觉。。。