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【OG20-P592-709题】
Transportation expenses accounted for a large portion of the total dollar amount spent on trips for pleasure by residents of the United States in 1997, and about half of the total dollar amount spent on transportation was for airfare. However, the large majority of United States residents who took trips for pleasure in 1997 did not travel by airplane but used other means of transportation.
If the statements above are true, which of the following must also be true about United States residents who took trips for pleasure in 1997 ?
分析A选项
分析B选项
分析C选项
分析D选项
分析E选项
题干:
交通费用占美国居民在1997旅游花费的总金额的很大一部分,在运输上花费的总美元金额的一半是机票。然而,大多数1997岁的美国居民没有乘飞机旅行,而是使用其他交通工具。
逻辑链:
背景:机票占总金额的一半
条件:大多是人没坐飞机
题型:must-be-true题(坐飞机贵)
A 大多数乘飞机旅行的人都这么做,因为到目的地的机票比其他交通工具的费用低 (为什么坐飞机跳出逻辑链,错误)
B 大多数乘飞机旅行的人都这样做,因为其他目的地的交通工具是不可用的 (其他交通方式是否可用无关逻辑链,错误)
C 每行驶一英里,乘飞机旅行的人往往比使用其他交通工具的人在目的地的交通上花费更多 (由于不知道总英里数,无法推理出每一英里的花费,错误)
D 总体而言,不乘飞机旅行的人的平均交通费用较低 (也就是飞机花销大,符合逻辑链,正确)
E 乘飞机旅行的人平均花费在其他交通工具上的费用和飞机票价差不多 (不符合题干逻辑链,错误)
1456918dis
以出去旅游的美国人这个“总体”来统计,飞机票的费用占了旅游中交通总花费的一半(相当于是总体在这方面的一个平均值)。而实际情况是,坐飞机票的人很少,乘坐其他交通工具的人更多,也就是说,很少的机票(绝对值数量)就把交通平均花费拉高了,说明机票很贵
227795aokto
注意文章细节, 文章说了一半的钱是在飞机上, 但是一大部分旅游的人不是坐飞机的, 说明坐飞机的人只有一小部分但是确花了一半的钱. 得出结论坐飞机的人平均花钱比其他方式的人多. C. 说的是平均每公里的花费, 这里首先没有D直接, 而且平均每公里不能和总数并论
willowX
一小部分人的飞机钱占了大头,自己的思路是那一小部分人特别喜欢坐飞机选了C,但tend to不意味着情感上的偏好,只是说单价高。答案思路是飞机票本身特别贵
Josiechen302
A,B 选项有Most of, 一般这种题就是错,不选
180687pkqh
已知: *tranportation/fare of trips = large portion(这条信息没啥用) *airfare总费用/(airfare+other费用)=(airfare*人数)/(airfare*人数+other费*人数)≈ 1/2 *other人数占大多数 从已知信息推断出必对信息 推断: 总人数固定,other的人多,air的人就少。air的人少,airfare总费用却占了一半,说明airfare>other费。 A.大多数 坐飞机的人在飞机和其他方式中选了飞机,因为飞机优惠。从已知和推断都没办法得出坐飞机一定是因为飞机优惠啊,说不定是因为飞机快呢。 B. 同上,为什么选飞机推断不出必对信息。 C. 飞机每里程的价格比其他交通的贵。单价*总里程=总费用。这个未必啊,万一是总里程长,单价低呢。 D. 你就是最棒滴! E. 坐飞机的人不同出行方式的费用分配差不多。怎么推啊母鸡。
275476gao
D直接给出了总花费的对比
275476gao回复275476gao
平均花费,问题不大。因为题目也说了坐飞机的人要少一些。 为什么人少反而钱多?因为人少(题目说了),钱多(平均花费多)
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2022-05-06 21:32:43
275476gao
C是单位值知道,总里程不知道,motherfxxxer
Mariposa爱学习
出去玩,交通费用占了大部分,交通费中,飞机票费用占了一半-->其他交通费用占了一半 但是,用其他交通工具的人确实大多数人 也就是说用飞机的人更少,但机票费用却占了一半 说明机票更贵
可欣同学
目标选项就是说明飞机票贵的。
286053m
每公里贵 但却不知道总路程
听雪楼下堆雪人
这种题就是太坏了。题目意思读懂了之后,就是说出行的一般费用都是飞机造成了,但是大部分人都没有使用飞机出行,就意味着,虽然人民坐飞机少,但是飞机票贵,所以飞机票的费用占总费用比较高。而只有D选项从侧面说明飞机票贵的事实。D,总的来说,不做飞机出行的人的平均花费低于坐飞机出行的人的平均花费。 C就太坏了,每公里的行程中,飞机比其他工具贵。不能说明总的飞机就比其他贵。因为不知道行程总距离
nimabi
这一题还坏在 C在D前面出现
市民小周回复nimabi
Hhhh
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2019-05-01 14:49:15
橙圈回复nimabi
哈哈哈以后倒着读选项
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2020-07-31 14:49:25
DixonDing回复 nimabi
hhhh
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2022-02-25 21:40:35
EscapeFromFate
A不对,如果机票便宜就不会大部分人都不坐了,B不对,如果飞机是唯一能到达目的地的交通那飞机就不会没人坐 C说每公里机票出行比别的交通工具贵 D说没坐飞机的人总开销比坐飞机的人高,我就是错在这了,这个每公里我没看到,因为每公里更贵但是总开销不一定更贵,但是总开销更贵的话每公里一定更贵。
浣沅九
c选项:问题在于 Confuses the Quantities
mianiu
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