GMAT 逻辑题

题目

GMAT 逻辑题
297.Background information: This year, each film submitted to the Barbizon Film
category, there was a panel that decided which submitted films to accept
Fact 1: Within each category, the rate of acceptance for domestic films was the same as that for foreign films.
Fact 2: The overall rate of acceptance of domestic films was significantly higher than that of foreign films.
In light of the background information, which of the following, if true, can account for fact 1 and fact 2 both being true of the submissions to this year’s Barbizon Film Festival?
1. In each category, the selection panel was composed of filmmakers, and some selection panels included no foreign filmmakers
2. Significantly more domestic films than foreign films were submitted to the festival
3. In each of the past three years, the overall acceptance rate was higher for foreign than for domestic films, an outcome that had upset some domestic filmmakers.
4. The num

答案

297.5
情况一：在每个组别中,国内电影的接受率和国外电影的接受率一样.
情况二：国内电影的总接受率比国外电影的总接受率要高得多.
如果要两个情况都对的话,前提条件是大多数的国外电影都是在接受率低的组别中,而国内电影则相反,即5.
例如,有100部国内电影、100部国外电影.A组中接受率都是80%,80部国内电影在A组,20部国外电影在A组.那么被接受的国内电影是64部,被接受的国外电影是16部.B组中接受率都是20%,20部国内电影在B组,80部国外电影在B组.那么被接受的国内电影是4部,被接受的国外电影是16部.国内电影的总接受率为（64+4）/100=68%,国外电影的总接受率为(16+16)/100=32%.68%>32%
332.C
政府部门为顾客报销医疗费,但今年又要砍报销的预算,但是为了省钱又不能砍报销或损害顾客的权益,政府决定推迟报销40天,以获得报销费的40天利息费,预计每年可获得180万美元的利息.
只有C项是对题***削弱.因为一些顾客是借钱付医疗费的,推迟报销后他们要付40天的借款利息,这样等于是损害了他们的利益.