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题库 / OG2018-CR-656
Veterinarians generally derive some of their income from selling several manufacturers’ lines of pet-care products. Knowing that pet owners rarely throw away mail from their pet’s veterinarian unread, one manufacturer of pet-care products offered free promotional materials on its products to veterinarians for mailing to their clients. Very few veterinarians accepted the offer, however, even though the manufacturer’s products are of high quality.
Which of the following, if true, most helps to explain the veterinarians’ reaction to the manufacturer’s promotional scheme ?
Most of the veterinarians to whom the free promotional materials were offered were already selling the manufacturer’s per-care products to their clients.
The special promotional materials were intended as a supplement to the manufacturer’s usual promotional activities rather than as a replacement for them.
The manufacturer’s products, unlike most equally good competing products sold by veterinarians, are also available in pet stores and in supermarkets.
Many pet owners have begun demanding quality in products they buy for their pets that is as high as that in products they buy for themselves.
Veterinarians sometimes recommend that pet owners use products formulated for people when no suitable product specially formulated for animals is available.
情景：兽医一般会从买周边产品处赚点小钱。由于很少有宠物主人会扔掉邮件，所以一个制造商就夹了一些材料在邮件中。但，虽然这个材料质量很好，不过还是几乎没有兽医接受这种提案。
推理：注意本题的问题。本题直接问了哪一项可以解释这个兽医不接受提案的现象。而按照正常逻辑来说，即：
前提：促销材料免费且产品质量很好
结论：兽医接受提案
显然地，前提是原因，结论是结果。本题为因果推理。
选题方式：选项必须能断掉因果之间的关系。
选项分析：
A选项：大部分被提供免费促销材料的兽医已经正在给他们的客户卖周边产品了。本选项和因果逻辑无关，我们的推理点是，“材料很好”推出“接受提案”。无论兽医是否正在卖别的产品，他都可以再接受卖个新产品嘛。
B选项：特殊促销材料被用来作为通常促销材料的补充而非代替。本选项和推理无关。
C选项：Correct. 不像很多兽医卖的竞品，这个制造商的产品也在宠物商店和超市被提供。显然，这可以断掉“材料很好”推出“接受提案”间的关系，即，纵然很好，但由于到处都有卖的，兽医也卖不出去，自然就不会接受提案了。
D选项：很多宠物拥有者对于宠物产品的质量要求已经和他们对给自己的东西的质量要求相同了。由于制造商的产品本来就很好，所以这样的要求反而会加剧兽医应该接受制造商的产品这一说法。
E选项：兽医有时会建议在没有适合给动物的产品提供时，可以用给人的产品来替代。本选项和推理无关。
还是不懂A为什么不对。 A说兽医不愿意发放这个商家的免费的小样因为他们已经在卖这个商家的产品 (were already selling the manufacturer's pet-care products to their clients.) 我觉得没有毛病啊，因为如果一个客户已经在买你的产品X，你忽然给了他一堆免费的X，那这个客户当然是把免费的用完了再买新的，因此会降低兽医的profit。？？求解
要从兽医的角度考虑其拒绝的动机，兽医已经在卖商家产品，没有道理不接受一些免费小样。（就算按照你的角度，小样只是小样，很快就用完了要来买你的新的，反而会增加利润）
而C的观点是，兽医以前卖的都是good competing products 质量好的有竞争力（这里可以理解为差异化）的产品，兽医心想：纵然你这个质量不错，但是遍地都在卖，就构不成差异化，肯定不算是一个有竞争力的产品，故此拒绝。
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