【SOS求助】请教 LSAT 逻辑

19.   Some good cooks are gourmet cooks who pride themselves on always using extravagantly rich ingredients in elaborate recipes. Some good cooks can be characterized as fast-food cooks. They may use rich ingredients as long as the recipes are easy to follow and take little time. Other good cooks are health food enthusiasts, who are concerned primarily with the nutritional value of food. But even though not all good cooks are big eaters, they all enjoy preparing and serving food.

If the information in the passage is true, which one of the following CANNOT be true?

(A) Most good cooks do not use extravagantly rich ingredients.

    (B) Everyone who enjoys preparing and serving food is a good cook.

(C) More good cooks who use extravagantly rich ingredients are big eaters than are good cooks who do not use such ingredients.

(D) There are fewer good cooks who enjoy serving and preparing food than there are good cooks who are big eaters.

(E) Gourmet cooks, fast-food cooks, and cooks who are health food enthusiasts are all big eaters.

答案是D啊，怎么看怎么觉得B对啊。B错的多明显啊，当然是CANNOT be true啦。

麻烦大家帮忙看下啊，脑袋都想大了~~

还有这道题，谁能帮忙翻译一下，答案是A，虽然选对了但是还是不理解

22.   It is illogical to infer a second and different effect from a cause which is known only by one particular effect. This is incorrect because the inferred effect must necessarily be produced by some different characteristic of the cause than is the observed effect, which already serves entirely to describe the cause.

Which one of the following arguments makes the same logical error as the one described by the author in the passage?

      (A) An anonymous donor gave a thousand dollars to our historical society. I would guess that that individual also volunteers at the children’s hospital.

(B) The radioactive material caused a genetic mutation, which, in turn, caused the birth defect. Therefore, the radioactive material caused the birth defect.

(C) The tiny, unseen atom is the source of immense power. It must be its highly complex structure that produces this power.

(D) The city orchestra received more funds from the local government this year than ever before. Clearly this administration is more civic-minded than previous ones.

(E) If I heat water, which is a liquid, it evaporates. If I heat hundreds of other liquids like water, they evaporate. Therefore, if I heat any liquid like water, it will evaporate.

原文最后一句说明D错误

B未必错 原文未提及 不要用背景知识想当然的解题

谢谢啊

第二题 A不就是原文第一句话的具体化么

这题题干问的是哪个选项犯了文中描述的错误 不像其他题问选项和原文犯同样错误

不过这种题gmat没有 我现在直接跳过了 要做也是暴力做 讲不出什么道理

是这样的，确实是文章中的第一句话没错，可是我没看懂第一句话，能不能麻烦翻译一下，谢谢了

It is illogical to infer a second and different effect from a cause which is known only by one particular effect.

主要是by这个介词看不明白什么意思

晕 问known by啊 变语法讨论了- -;

确切用法lz google吧

感谢payo同学

我印象中known by是因什么而著名~所以放到这里看不明白了~

现在想通了谢谢