The tulu, a popular ornamental plant, does not reproduce naturally, and is only bred and sold by specialized horticultural companies. Unfortunately, the tulu is easily devastated by a contagious fungal rot. The government ministry plans to reassure worried gardeners by requiring all tulu plants to be tested for fungal rot before being sold. However, infected plants less than 30 weeks old have generally not built up enough fungal rot in their systems to be detected reliably. And many tulu plants are sold before they are 24 weeks old.

Which of the following, if performed by the government ministry, could logically be expected to overcome the problem with their plan to test for the fungal rot?


Releasing a general announcement that tulu plants less than 30 weeks old cannot be effectively tested for fungal rot

Requiring all tulu plants less than 30 weeks old to be labeled as such

Researching possible ways to test tulu plants less than 24 weeks old for fungal rot

Ensuring that tulu plants not be sold before they are 30 weeks old

Quarantining all tulu plants from horticultural companies at which any case of fungal rot has been detected until those tulu plants can be tested for fungal rot

考题讲解

情景:tulu是一种非常流行的观赏性植物,但是它不能够自行繁殖,只能通过专业的园艺公司实现育种与出售。不幸的是,tulu很容易被一种致命的真菌破坏。为了安抚园艺师们,政府要求所有的tulu在出售之前进行真菌的检验。但是,年龄在30周以下的tulu因为真菌量太少而往往无法被检测出来,但很多tulu在其生长至24周之前就已经被售出了。

推理:由于题目问的是下列哪个方案能解决推理文段中的问题,所以本题是让我们自己找出解决办法,因此是演绎推理

选题方式:

选项分析:

A选项: 通告称年龄在30周以下的tulu无法有效检测真菌。这只会让园艺师更加恐慌,起不到任何解决问题的作用。

B选项:给所有年龄在30周以下的tulu贴上标签。本选项可以在一定程度上解决问题,但是解决问题的能力不强。

C选项: 找到可以有效检测年龄在24周以下的tulu的办法。本选项错误同(B)。

D选项:
 Correct. 保证tulu在30周以前不被卖出。因为30周以下的tulu无法有效检测真菌,但30周以上的可以,所以只需要保证所有的tulu都是在30周以上卖出的,政府的计划就可以行之有效。这个方案更容易实施。

E选项:
隔离所有被检测出真菌的园艺公司的tulu直到这些tulu可以被检测出真菌为止。这个选项只能防止tulu被感染,不能达成推理文段中的目的。

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