请教关于assumption的问题

mage

刚才看了置顶帖子中lawyer对各类题型的讲解，关于assumption 部分有个小小的疑问：除了lawyer所总结的gap、排除他因等比较严谨的逻辑论证方式外，是否还有一种仅仅是restate 原文premise的方式呢？比如这道题：

2. Modern physicians often employee laboratory tests, in addition to physical examinations, in order to diagnose diseases accurately. Insurance company regulations that deny coverage for certain laboratory tests therefore decrease the quality of medical care provided to patients.

Which one of the following is an assumption that would serve to justify the conclusion above?

(A) Physical examinations and the uncovered laboratory tests together provide a more accurate diagnosis of many diseases than do physical examinations alone.

(B) Many physicians generally oppose insurance company regulations that, in order to reduce costs, limit the use of laboratory tests.

(C) Many patients who might benefit from the uncovered laboratory tests do not have

any form of health insurance.

(D) There are some illnesses that experienced physicians can diagnose accurately from physicians examination alone.

(E) Laboratory tests are more costly to perform than are physical examinations.

正确答案是a, 我觉得这只是重述了原文而已，不知我的感觉对吗？请大家指正，非常感谢!

chelseayang

I kind of agree with you. I came across a similar question this morning.( LSAT-0410-2-13)

[此贴子已经被作者于2004-12-5 8:55:06编辑过]

mage

thank you, chelseayang. but what does the "1004" mean? I want to find the question you mentioned.

lawyer_1

1。不管是充分型还是必要型假设，都不存在restate 原文premise的方式。除非这个PREMISE是原文没说的，如果是原文没说的，就不叫作RESTATE。

2。该题原文并没有说两个实验准确还是一个试验准确。

3。该题是充分型假设（ justify the conclusion ）。正确选项+原文=结论

chelseayang

sorry, it should be LSAT-0410-2-13, OCT 2004.

mage

反复看了好几遍lawyer的解答，后来又搜到了lawyer以前的帖子，终于明白了一点关于充分性和必要性假设的问题，还有一点想继续请教，所谓排除他因是典型的必要性假设，但是你在充分性假设和必要性假设中都提到gap类，那么这两种gap有什么区别呢？

谢谢lawyer，受益匪浅！