逻辑大全TEST 2 - 8

yazhis

8.     Teenagers are often priced out of the labor market by the government-mandated minimum-wage level because employers cannot afford to pay that much for extra help. Therefore, if Congress institutes a subminimum wage, a new lower legal wage for teenagers, the teenage unemployment rate, which has been rising since 1960, will no longer increase.

Which of the following, if true, would most weaken the argument above?

(A) Since 1960 the teenage unemployment rate has risen when the minimum wage has risen.

(B) Since 1960 the teenage unemployment rate has risen even when the minimum wage remained constant.

(C) Employers often hire extra help during holiday and warm weather seasons.

(D) The teenage unemployment rate rose more quickly in the 1970’s than it did in the 1960’s.（B）

(E) The teenage unemployment rate has occasionally declined in the years since 1960.

Why B? even if min wage remains constant, the employers may not be able to hire extra help with this same min wage.

Thanks.

米米时代007

是因为太简单没人答还是因为太难没人答？同问！

zzrrqq0708

小菜鸟一只斗胆说两句，如果说的不对，请各路大神指教。
1、分析题干：
premise：最低工资提高导致青少年失业率上升。
conclusion：如果政府减低最低工资，则从1960年一直上升的青少年失业率将不再上升。
B：当最低工资保持不变的时候，失业率也是上升的。也就是说，失业率上升不是因为最低工资的上升，至少不是唯一原因。这就weaken了上面的结论：即便降低最低工资，也不一定会使失业率不再上升。
A：没有weaken，反而是support了。
C：无关。
D和E也都和结论没有什么太多关系。
不知道我解释的是否清楚，因为我也是菜鸟一只，所以不会讲好多逻辑规则。

liwen0625

Author states teenage unemployment rate will cease to rise if minimum wage is lowered. To weaken this we have to prove minimum wage has no effect on unemployment rate.so B is correct.