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- 2013-12-15
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- 1970-1-1
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A rise in the percentage of all 18-year-olds who were recruited by the armed services of a small republic between 1980 and 1986 correlates with a rise in the percentage of young people who dropped out of high school in that republic. Since 18-year-olds in the republic are generally either high school graduates or high school dropouts, the correlation leads to the conclusion that the republic’s recruitment rates for 18-year-olds depend substantially on recruitment rates for high school dropouts.
样本推断
样本:1980到1986年,18岁征兵(小国)比例的上升与青少年辍学比例上升相关
结论:全国征兵比率主要取决于青少年辍学征兵比例
削弱
说明样本不具备代表性或者样本数量不足,选项一定提及样本
Which one of the following statements, if true, most weakens the argument?
(A) A large number of 18-year-old high school graduates were recruited for the republic’s armed services in 1986 than in 1980. (这题比较级去哪儿了目测是larger,1986比1980人多智能说明真的rise了不能说明样本数量足够或者样本具有代表性)
(B) Many of the high-technology systems used by the republic’s armed services can be operated only by individuals who have completed a high school education. (没提到样本)
(C) Between 1980 and 1986 the percentage of high school graduates among 18-year-olds recruited in the republic rose sharply. (样本特殊,不具有代表性,即样本提到的事儿不是常态)
(D) Personnel of the republic’s armed services are strongly encouraged to finish their high school education. (没提到样本)
(E) The proportion of recruits who had completed at least two years of college education was greater in 1986 than in 1980.(跟A一样,提到样本数量的变化但是没用)
另外不建议楼主做狒狒逻辑,建议只做官方题目,OG,PREP,GWD足够 |
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