2014GRE考试选择题精炼
A breeder has ten birds:
Kind Male Female
Goldfinches H J, K
Lovebirds M N
Parakeets Q, R, S T, W
The breeder exhibits pairs of birds consisting of one male and one female of the same kind. At most two pairs can be exhibited at a time; the remaining birds must be distributed between two cages. The breeder is constrained by the following conditions:
Neither cage can contain more than four birds. Any two birds that are both of the same sex and of the same kind as each other cannot be caged together. Whenever either J or W is exhibited, S cannot be exhibited.
. Which one of the following is a possible assignment of the birds?
First Cage Second Cage Exhibition
H, M, N J, K, S Q, R, T, W
K, M, Q N, R, W H, J, S, T
K, Q, S R, T, W H, J, M, N
H, J, M, R K, N, S, W Q, T
H, J, M, R, W K, N, S Q, T, W
. Which one of the following lists two pairs of birds that the breeder can exhibit at the same time?
H and J; M and N
H and J; S and T
H and K; M and N
H and K; R and W
M and N; S and W
. If Q and R are among the birds that are assigned to the cages, then it must be true that
H is exhibited
K is exhibited
N is exhibited
J is assigned to one of the cages
T is assigned to one of the cages
. If Q and T are among the birds assigned to the cages, which one of the following is a pair of birds that must be exhibited?
H and J
H and K
M and N
R and W
S and W
. Which one of the following CANNOT be true?
One pair of parakeets are the only birds exhibited together.
One pair of goldfinches and one pair of lovebirds are exhibited together.
One pair of goldfinches and one pair of parakeets are exhibited together.
One pair of lovebirds and one pair of parakeets are exhibited together.
Two pairs of parakeets are exhibited together.
. If S is one of the birds exhibited, it must be true that
H is exhibited
M is exhibited
K is assigned to a cage
N is assigned to a cage
R is assigned to a cage
KEYS: DDDDBE
上一篇: 真题汇总:12月15日gre数学真题部分
下一篇: gre数学考试常用知识1:数理统计
Crocs洞洞鞋要成历史?官方是这么说的....
日本公司推AI摄像头 用来识别小偷
北大清华毕业生可直接落户上海引发争议
国内英语资讯:Chinas conservation efforts heralded at 2018 African Ranger Awards
国际英语资讯:Nigeria offers condolences to quake-hit Indonesia
体坛英语资讯:Atletico Madrid sign Portuguese internationl winger Martins
石头姐新剧即将开播,导演的来头是真的不小
Due Attention Should Be Given To the Study of Chinese 是否应该重视汉语的学习
揭秘:世界上最臭的东西是什么?
中美贸易的十个真相
我国计划将更多抗癌药纳入医保
这家日本虾厂员工来去自由,工作效率却大大提高
国际英语资讯:Scotlands leader urged to back Mays Brexit plan as independence debate re-ignited
华为销售额首超苹果,成全球第二大手机供应商!
国际英语资讯:Syrian army makes progress in battles against IS in Sweida province
体坛英语资讯:Germany wins Belt and Road International Basketball Tournament
研究显示 我国纯母乳喂养率偏低
过度使用微信,正在让人越来越焦虑
体坛英语资讯:FC Barcelonas Digne on verge of joining Everton
国际英语资讯:Cuba tourism suffers following U.S. travel restrictions, hurricanes
国际英语资讯:Three Chinese among 6 injured in suicide blast in Pakistans southwest Balochistan
国内英语资讯:China to provide emergency food assistance to drought-affected Afghans
体坛英语资讯:Luiz delighted with Sarris aggressive approach at Chelsea
体坛英语资讯:Chinas Lyu wins London Diamond League womens javelin
体坛英语资讯:Belarus coach vows to bring national team to ice hockey worlds elite
国际英语资讯:Saudi-led coalition blasts Yemens Houthi rebels for recruiting child soldiers
毕业证印错字母6年,美国大学花30万重印!
体坛英语资讯:Iran wins Asian U21 Volleyball title
体坛英语资讯:Pavards stunner against Argentina voted Goal of 2018 World Cup
体坛英语资讯:Zhang Shuai, Wang Qiang advance to quarterfinals of Jiangxi Open