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In Berinia, the age at which people could begin to drink alcohol legally used to be 18. In 1990, in an attempt to reduce alcohol consumption and thereby to reduce alcohol-related traffic deaths among Berinians under 21, the legal drinking age was raised to 21. Alcohol-related traffic deaths among people under 21 have decreased significantly since 1990. Nevertheless, surveys show that people in that age-group drink just as much alcohol as they did before 1990.

Which of the following, if true of Berinia, most helps to resolve the apparent discrepancy?

正确答案: B

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T-4-Q28~~一道逻辑题求指点分析....!!!

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楼主
发表于 2012-5-4 10:56:04 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
In Berinia, the age at which people could begin to drink alcohol legally used to be 18. In 1990, in an attempt to reduce alcohol consumption and thereby to reduce alcohol-related traffic deaths among Berinians under 21, the legal drinking age was raised to 21. Alcohol-related traffic deaths among people under 21 have decreased significantly since 1990. Nevertheless, surveys show that people in that age-group drink just as much alcohol as they did before 1990.
Which of the following, if true of Berinia, most help to resolve the apparent discrepancy?
A. For the population as a whole, annual alcohol consumption is no lower now than it was in 1990
B. Alcohol consumption away from home, for example in bars and restaurants, is much lower among people under 21 than it was in 1990
C. The proportion of people under 21 who own a car is higher now than it was in 1990
D. Alcohol consumption is lower among people under 21 than among adults in most other age-groups.
E. Alcohol-related traffic deaths among people over 21 have increased slightly since 1990.




我选的D...答案是B
我是这么想的:
1、举措的目的是:减少21岁以下人的就精消耗&减少酒精相关交通事故的21岁人的死亡
2、21岁相关的死亡人数下降 说明 举措有效
3、如果举措有效 那么 21岁喝的酒应该减少  但是实际上却没有减少
那么D说 21的消耗比其他年龄段都少 能不能认为这样:21岁以下的人的消耗没有减少是因为整体消耗增加(由21岁以下的消耗比别的少),实际上比较而言,21岁以下的还是少了...


对于答案B,找不到可以解决矛盾的原因....













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沙发
发表于 2012-5-4 11:08:06 | 只看该作者
题目的矛盾点在于:交通事故确实因为该政策减少,但是饮酒量却没有变化。如何解释这个矛盾呢?

B:因为有了这个政策,18-21岁的不能像以前一样到公共场合饮酒,改在家里了,那么自然就不需要交通工具,事故就少了
D:21岁以下的酒消费量低于其他年龄段的成年人。--〉题目中只是涉及到21岁以下的年龄段,与21岁以上无关的。这个选项属于干扰项
板凳
 楼主| 发表于 2012-5-4 15:06:03 | 只看该作者
题目的矛盾点在于:交通事故确实因为该政策减少,但是饮酒量却没有变化。如何解释这个矛盾呢?

B:因为有了这个政策,18-21岁的不能像以前一样到公共场合饮酒,改在家里了,那么自然就不需要交通工具,事故就少了
D:21岁以下的酒消费量低于其他年龄段的成年人。--〉题目中只是涉及到21岁以下的年龄段,与21岁以上无关的。这个选项属于干扰项
-- by 会员 maestri (2012/5/4 11:08:06)



哦哦哦....好像懂了~谢一个谢一个~~
地板
发表于 2013-3-21 22:00:30 | 只看该作者
我 一直在b和e里徘徊来着
虽然大家没有选e的

b我部分同意你的观点 我当时也是这么想的
但是我多想了想 假如大家在某人家喝酒 可是喝完还得各回各家 那交通事故不是还是会发生么?

e中 是不是 有可能以前开车的21岁以下的青年现在不开车了 他们只是坐车 都是21岁以上的开车 然后车祸数量增加了呢?

谢谢~
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