亚洲免费人人妻人人,cao78在线视频,福建一级毛片,91精品视频免费观看,高清另类图片操逼,日本特黄特色大片免费看,超碰欧美人人澡曰曰澡夜夜泛

GRE·94-4考題-4

時(shí)間:2023-05-04 18:53:29 其它考試 我要投稿
  • 相關(guān)推薦

GRE·94-4考題-(4)

 Seven chimpanzees—G, H, K, L, N, P, and Q—are to be

GRE·94-4考題-(4)

assigned to four observer—Richards, Smith, Torres,

and Yang-with each chimpanzee assigned to exactly one

observer and each observer assigned at most two chim-

panzees. P and Q are juveniles: the other five chim-

panzees are adults. G, H, and P are male: the other

four chimpanzees are female. The following conditions

govern the assignment of the chimpanzees to the observers:

 Only male chimpanzees can be assigned to Richards.

 At most one chimpanzee can be assigned to Smith.

 Whenever a juvenile is assigned to an observer, an

  adult chimpanzee of the same sex as the juvenile

  must also be assigned to that observer.

Which of the following represents an acceptable assignment of the

chimpanzees to the observers?

      Richards  Smith Torres Yang        

G,P H K,L,Q N

G,P H L,Q K, N     

G,P L K,N H, Q

H,L K N,Q G, P

H,P G,K N,Q L

————————————————————————

答案:(B)

讀題:7只黑猩猩,G、H、K、L、N、P、Q,分配給4個(gè)觀察者,R、S、T、Y,每只猩猩都要分配

  給一個(gè)人,每個(gè)人最多2只猩猩。

    

寫(xiě)條件:

1、R:male (表示只有雄性猩猩才能給R)

2、S≤1 (表示S最多只分配一只猩猩)

3、one juv→one adult(same sex) (表示如果一只未成年的猩猩分配給觀察者,

那么同性的一只成年猩猩必須分配給那個(gè)觀察者)

  

條件總結(jié):

  1、4個(gè)觀察者我們可以看為四組,7個(gè)元素分為四組,那么首先注意數(shù)字分配關(guān)系

   題目中有每組最多2只猩猩,則分配關(guān)系為(2、2、2、1)

   而條件2告訴我們,S≤1,所以R,T,Y各有2個(gè)元素

  

  2、上面的條件3不涉及具體元素,我們看是否能和被它限制的元素結(jié)合起來(lái)。

  如果一只未成年的猩猩分配給觀察者,那么同性的一只成年猩猩必須分配給那個(gè)觀察

  者,顯然限制是對(duì)未成年猩猩而言,題目中有兩個(gè)元素屬于未成年猩猩, P,Q,因此

  得到:

  P+(G/H中選擇一個(gè))

  Q+(K/L/N三者中選擇一個(gè))

   

題目中一共只有3只雄性猩猩,而條件1告訴我們R中就必須要有兩只雄性猩猩,

因此R中的元素必然為  P+(G/H中選擇一個(gè))

  

分析到此,整個(gè)題組以完全在你的掌握之中,而我們所用的方法還是我們經(jīng)常講的

 

Which of the following must be true?

H is assigned to Smith.

K is assigned to Yang

L is assigned to Torres.

P is assigned to Richards.

Q is assigned to Torres.

————————————————————————

答案:(D)

讀題:7只黑猩猩,G、H、K、L、N、P、Q,分配給4個(gè)觀察者,R、S

【GRE·94-4考題-4】相關(guān)文章:

GRE作文范例405-04

「原創(chuàng)」考題!04-29

父親的考題04-28

父親的考題04-28

GRE作文講座05-04

臨床執(zhí)業(yè)醫(yī)師歷年考題及詳細(xì)解析(4)04-27

托福作文考題04-30

考題優(yōu)秀作文03-06

出國(guó)考試gre作文05-01

GRE作文范例1405-04