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Last year the rate of inflation was 1.2 percent, but for the current year it has been 4 percent. We can conclude that inflation is on an upward trend and the rate will be still higher next year.
Which of the following, if true, most seriously weakens the conclusion above?
A
The inflation figures were computed on the basis of a representative sample of economic data rather than all of the available data.
B
Last year a dip in oil prices brought inflation temporarily below its recent stable annual level of 4 percent.
C
Increases in the pay of some workers are tied to the level of inflation, and at an inflation rate of 4 percent or above, these pay raises constitute a force causing further inflation.
D
The 1.2 percent rate of inflation last year represented a 10-year low.
E
Government intervention cannot affect the rate of inflation to any significant degree.
【申友解析】
正确答案：B
题干：去年的通胀率是百分之1.2，而今年的通胀率为百分之四，所以我们可以得出结论通胀率处于上升趋势，而且明年的通胀率会比今年更高。
题目：下面哪一个选项可以削弱题干逻辑的结论。
分析：驳斥结论型的负向逻辑，基于有限的给定信息我们这里较为可能的思维方式是引入他因削弱型。
选项A, 通胀走向是通过对具有代表性的样本采样而不是所有的已知数据计算获得。无法说明目前的结论不合理，错误！
选项B，去年的油价下降使得通胀率暂时低于近期稳定的百分之四的水平。合理引入的能说明题干结论有误的他因。正确！
选项C，员工工资上涨率同通胀水平相关，并且高于百分之四，该因素导致了更进一步的通胀率上升。逻辑方向相反，错误！
选项D, 去年百分之1.2的通胀率达到了十年以来的最低点。从最低点触底反弹完全合理，无法驳斥题干逻辑。
选项E，政府干预不大可能影响通胀水平，在无外界影响的情况下最有可能保持目前的趋势，无法驳斥题干逻辑，错误！
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