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【逻辑CR】-8788-OG16

浏览次数:655 日期:2017-09-27 16:12:27
Which of the following, if true, provides the most support for the argument above?

Wood smoke contains dangerous toxins that cause changes in human cells. Because wood smoke presents such a high health risk, legislation is needed to regulate the use of open-airfires and wood-burning stoves.


Wood smoke contains dangerous toxins that cause changes in human cells. Because wood smoke presents such a high health risk, legislation is needed to regulate the use of open-airfires and wood-burning stoves.


Which of the following, if true, provides the most support for the argument above?

 A

The amount of dangerous toxins contained in wood smoke is much less than the amount contained in an equal volume of automobile exhaust.

 B

Within the jurisdiction covered by the proposed legislation, most heating and cooking is done with oil or natural gas.

 C

Smoke produced by coal-burning stoves is significantly more toxic than smoke from woodburning stoves.

 D

No significant beneficial effect on air quality would result if open-air fires were banned within the jurisdiction covered by the proposed legislation.

 E

In valleys where wood is used as the primary heating fuel, the concentration of smoke results in poor air quality.


正确答案:E


题目解析:

题干:木材产生的烟含有危险的有毒物质会损伤人类的细胞。因此,应该立法规范户外燃烧木材的炉子的使用。
题目:下面哪一条可以支持题干的主张
分析:给出的信息量较小,题目也没有提供明显的标志,所以首先明确逻辑方向,正向逻辑,比较可能的答案思考方法是引入他因。
选项A,说木材产生的烟较汽车废气的危害小,在一定程度上逻辑方向相反,无法支持题干逻辑。
选项B,混淆关键对象,错误。
选项C,与A相似,逻辑方向相反!
选项D,说即使禁止了户外木材燃烧也对空气质量没什么帮助,逻辑方向相反!
选项E,在主要使用木材作为燃料的山谷里,空气质量因为烟雾聚集变得非常差。正确!


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