2015年高考新课标全国文综卷Ⅰ第12题,题肢迷惑性大,学生容易掉入陷阱。(原题略)本题考查的是相关商品,参考答案为D。对于甲复印机和乙复印机是替代品这一判断学生基本不会出错,可以排除B、C两个题肢。但对于后面的理由说明学生则从题干信息“甲的专用耗材每年消耗量不及乙的50%”直截了当地得出结论,从而掉进了出题人设置的陷阱:甲的耗材消耗量低于乙,因此选A,而没有进一步思考单凭这一点并不能说明买甲复印机就比乙更划算。面对这种陷阱,我们应从四个方面加以防范: 2015 New Curriculum National Courses Volume I No. 12, confused limbs, students easily fall into the trap. (Original title slightly) This question examines the related goods, the reference answer is D. For a copier and B copier is a substitute for this judgment students basic error, you can rule out B, C two limbs. However, for the reasons behind the students from the dry information “A special consumption of less than 50% of B’s ​​annual consumption ” straightforward conclusion, which fell into the trap set by the subject: A consumption of consumables Below B, so choose A, without further thinking alone This does not mean that a copy machine to buy a more cost-effective than B. In the face of this trap, we should guard against four aspects: