While researching ramify, Anne discovered the following sketchy information ( s8 t. j" n; _3 y: l f
about four of her ancestors: 1 G+ q( ]1 d3 Y7 G1 q- [; w# { D
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Roy was born before John was born.
# E+ M5 V" t1 u0 @7 r4 D Stella died before Roy died. ; H2 R' J1 x1 a/ B
Hazel died after John, Roy, and Stella died.
! n5 S- H: {# @- G- zWhich of the following must be true? : q0 ?5 r; j3 x8 v- J
John was born before Hazel was born. 0 z2 ]4 X" c" G3 S8 G8 b; K8 ]
Stella was born before John died.
, ]2 n3 A4 E: m; v* s, d Stella was born before Hazel, John, and Roy were born. 8 p$ O2 B9 v5 Y c+ K- _
Hazel was born after John, Roy, and Stella were born.
9 E3 @/ C: V( l: O Stella was born before Roy died.
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答案：(E) 6 j2 L$ L4 E- T# \* o# O1 J
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If Hazel was born before Roy was born, which of the following must be true?
1 F t) y/ u2 S Ⅰ. Hazel lived longer than Roy. $ H$ p& J. |) Z, C
Ⅱ Hazel lived longer than John.
" ~' c5 M0 D: c Ⅲ Hazel lived longer than Stella.
3 V3 R# }* \9 ]! YⅠonly % C! Q% I6 Q+ t% q n0 G7 B: b
Ⅱonly 8 \+ N, x3 m4 k, `
Ⅰand Ⅱ only
' V2 U3 t" z5 JⅡand Ⅲ only
& G8 I: \# @4 \* M6 W: w! HⅠ,Ⅱ, and Ⅲ
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答案：(C) # W$ t" v2 K; J' q% a/ v1 N' Q
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If John died before Roy died, and Roy died before Hazel was born, which of
4 T% ]$ |' j, U4 R- ?the following must be true?
7 o! q- x6 _4 z' ? Stella was not alive during Roy’s lifetime. ' E- b0 t2 s5 ?6 ?; Y
John was not alive during Hazel’s lifetime.
8 }6 W0 ^$ l. W) z9 W3 o8 K Stella was not alive during John’s lifetime.
1 m& H5 j: u( N+ P- R; J! { John was born and died during Stella’s lifetime. 2 w4 I3 p& w) q) C# p% u
Stella was born and died during Roy’s lifetime. % ^, u# c4 G9 @6 ]
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4 r, \' ~9 B. A) V% D9 j2 ~答案：(B) # v% V! ~' C+ H5 i2 o% ?
* r+ g2 U3 j9 u1 aIf Hazel was born after Roy died, which of the following could be true?
2 s; I1 j4 }' Y' L John was Roy’s father. + S" g b8 G- @
Roy was Stella’s father.
# N% v j, G2 ` Hazel was Stella’s mother.
! X7 m9 X* {7 E3 Q) t) B" @ Hazel was Roy’s wife.
. G- m3 i q# ]6 E Stella was Hazel’s granddaughter. 0 b" D1 \4 i4 R2 P0 R
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0 C4 @( H' M4 z6 y: h答案：(B)
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A pegboard has a total of six holes, all in a horizontal line, numbered one
: {6 z3 m: w% R( D) ^through six from left to right. Five pegs—one blue, one green one red, one white,
: C* Z6 x3 }9 R2 G# ]) P3 m/ I$ Jand one yellow—are to be arranged in the pegboard, one peg per hole, leaving ) }; a6 f0 h a7 B
exactly one empty hole for any arrangement. To be acceptable, any arrangement
4 F. |. \4 _. U: t& y& Fof the pegs must meet the following conditions:
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The green peg must be closer to the red peg than to the blue peg. % q, M8 X- x% Y9 H! @
The yellow peg must be in the hole immediately to the left of the blue peg.
' F7 l5 k* M: L4 s$ [1 c% l7 _ The white peg must not be in a hole immediately adjacent to the blue peg. & f; E- z) e# X& U
The red peg must not be in hole number one. 1 t5 K9 e0 T' D9 o+ b' Y/ U2 C
All of the following arrangements, given in left-to-right order, meet the 5 O3 w& D/ B$ e
conditions EXCEPT * e: d) D* D" |, g2 Y
green, red, white, empty hole, yellow blue
9 C) N% Q3 f9 ^3 r* w6 r green, red, empty hole, yellow, blue, white
$ k- Z" @. y$ t green, white, red, yellow, blue, empty hole ) S4 m: {, o" ~7 U& k+ |, M
white, empty hole, yellow, blue, red, green
0 @6 L% z( o( U' S% e empty hole, green, white, red, yellow, blue 5 d6 d; n' t# T- ]& j+ U& r5 g
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答案：(B) |
发表于 2012-8-15 12:45:20
