Time-35 minutes
2 g( l7 C) B) q9 k6 u$ @0 ~* ~24 Questions% Y8 K- j; \% V L# t$ \: T, w0 n
Questions 1-68 B7 C+ \' V, Z' g# z
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Seven students-fourth-year students Kim and Lee; third-year students Pat 1 B9 q* |1 U: [! x
and Robin: and second-year students Sandy, Tety and Val-and only those seven, 8 g1 G' W2 R/ ~& e, f9 z: i
are being assigned a rooms of equal size in a dormitory. Each room assigned % g5 F l [9 n% |4 J
must have either one or two or three students assigned to it and will ' k5 l# ]3 D: P
accordingly be called either a single or a double or a triple. The seven
; b! W5 z3 T7 O* F9 m3 h5 e) Hstudents are assigned to moms in accordence with the following conditions:5 k: X2 ~! T! ?, W. S: X( J
: q2 @1 `8 Y9 c2 S' w1 L8 ~5 kLio fourth-year student can be assigned to a triple.; \1 l1 k4 y! b# l: C8 C
6 G+ @0 N% L" V/ G" mNo second-year student can be assigned to a single.
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Lee and Pobin must not share the same room . x. l! \; ~7 C" B8 _
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Kim and Pat must share the same room.! a2 F- i; a0 o. V$ T6 R
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1. Which one of the following is a combination of rooms to which the seven
) b( F/ Z) }& r6 T. ostudents could be assigned?
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. t0 m0 }& m3 A# Q+ E& G(A) two triples and one single3 I5 C6 P( P* P* ^: M1 [# I
(B) one triple and four singles
' t; L; N7 d: F4 {(C) three doubles and a stngle
* G8 o% _* d" g(D) two doubles and three singles. {+ M: P8 ?( F& i h; y
(E) one double and five singles/ g- q0 T2 e+ m% O2 ?
& J; }' E( _" }9 |/ f* ?0 O2. It the room assigned to Robin is a single, which one of the following could
* }, g( ]- D9 V, Qbe true?
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8 u, a e$ u, l h; Y4 n; k(A) There is exactly one double that has a second-year student assigned to it.; g6 A, A7 H2 F/ _& t: T0 h4 }
(B) Lee is assigned to a stngle.( D9 _% I, ?6 I$ A6 I4 r
(C) Sandy Fat and one other student are zseigned to a triple together.
- x3 @5 v- f' ^" Y; w: C(D) Lixactly three of the rooms assigned to the students are singles5 d" }& N3 ~5 Z. {: f0 r0 I1 T% p
(E) Exactly two of the rooms assigned to the students are doubles., b, ]" e+ A: y& V# U
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3. Which one of the following must be true?
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7 C, ^1 q, G7 ~6 X' p1 Z8 e(A) Lee is assigned to a single
9 V2 Y" k& c. x(B) Pat sharts a double with another student5 d4 N9 W4 v* f& n6 O( ]! w4 l; }
(C) Robin shares a double with another student
# g) w6 _' g. Q2 x" _; s i(D) Two of the second-year students share a double with each other5 e# m0 a. ?' J' b0 ]0 y1 {- {
(E) Neither of the third-year students is assigned to a single
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; y( W+ i: @3 l( ?4. If Robin is assigred to a triple, which one of the following must be true?$ n+ v5 f* _1 i _
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(A) Lee is assigned to a single
: a5 b2 ]* m) F6 A; X: A(B) Two second-year students share a double with each other
& i- j% O/ f# n7 u(C) None of the rooms assigned to the students is a single
?( e( t! q0 I) f(D) Two of the rooms assigned to the students are singles.
4 P5 K# o, h, }2 N(E) Three of the rooms assigned to the students are singles! k H0 j1 C7 Z4 p" F
7 ?0 A5 N: O1 t8 F0 k" q% J5. If Terry and Val assigned to different doubles from each other, other, then
6 O7 h2 ]2 F8 v0 jit must be true of the students’ rooms that exactly
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(A) one is a single/ d0 f$ k" q) p! K: k1 w1 k
(B) two are singles/ O( m4 q5 {, z6 C- X
(C) two are doubles
4 ~# S$ G2 [9 y4 {: x" w3 n(D) one is a triple
- K, Z6 g$ k4 E6 d(E) two are triples 6 ~ U' v# Y0 K1 S) C
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6. Which one of the following could be true?4 V1 \7 G( P7 b# E, P
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(A) The two fourth-year students are assigned to singles.
% {; y+ R( Q( [4 {3 W- j(B) The two fourth-year students share a double with cach other.! C7 x9 M; Y! [9 c' m. f
(C) Lee shares a room with a second-year student# u! k, u5 H, O
(D) Lee shares a room with a third-year student+ k+ |* `- `* U- m' K8 E4 V0 M
(E) Pat shares a triple with two other students' O/ w7 m0 e4 C Z
- k( {1 O/ L6 @Questions 7-11
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A worker will insert colored light bulbs into a billboard equipped with 7 b. K0 _7 I) p2 j% Y" Z! m0 ?
exactly three light sockets, which are labled lights 1, 2, and 3. The worker 0 [1 K2 K, g t( N! i3 L
has three green bulbs, three purple bulbs, and three yellow bulbs. Seiection of
1 Z# ^$ z! n( ?5 }- @7 vbulbs for the sockets is governed by the following conditions:
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Whenever light 1 is purple, light 2 must be yellow.
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Whenever light 2 is purple, light 1 must be green.
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5 s* O9 ^6 k: EWhenever light 3 is either purple or yellow, light 2 must be purple.1 K; s/ C+ b8 [& S( @
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7. Which one of the following could be an accurate list of the colors of light # W) ]2 q* X, B) ]# P! R
bulbs selected for lights 1, 2 and 3, respectively?
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(A) green, green, yellow
, |; n. n+ V7 ~% U& q(B) purple, green, green
& g0 r: x2 \6 w/ \/ w! |: S% h# V(C) purple, purple, green
' P% p: ~* J9 d0 _+ h! p) Y) m(D) yellow, purple, green
. A+ U5 s8 S* h4 } i4 y(E) yellow, yellow, yellow3 t: e; F8 f o
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8. If light 1 is yellow, then any of the following can be true, EXCEPT:% T: d3 `! ]9 d* o3 I
' H, G% s2 U: b* L) d) Z( v(A) Light 2 is green.3 b4 I; t! W M3 ~! P i
(B) Light 2 is purple3 N3 _ V# e8 q' p2 [/ d
(C) Light 3 is green$ m5 P5 m. W* }" ^- z* i8 S# e
(D) Light 3 is purple. T$ Z8 F3 ?! y) |
(E) Light 3 is yellow, C9 |2 ?1 W3 y$ I9 f: ^: H2 H
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9. There is exactly one possible color sequence of the three lights if which
; E; i6 \6 A: Cone of the following is true?* F5 S; ^, f. o/ y% @3 M0 {2 s
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(A) Light 1 is purple.
7 E. ?* M& d- h4 \, @/ k(B) Light 2 is purple.
9 r; F1 Q7 y7 N3 g) ?- x8 e- o% q(C) Light 2 is yellow7 }& H% K+ ]; m4 i8 n
(D) Light 3 is purple.
) }7 O1 U1 k9 j(E) Light 3 is yellow' Y+ |! V8 x& i9 ]
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10. If no green bulbs are selected, there are exactly how many possible . K7 c- }# I* h$ f) u
different color sequences of the three lights?- o8 j% G9 W* j: r. S$ X2 i
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(A) one
2 c9 h Z. X F/ f4 x(B) two " _5 \- F1 a2 ]5 R g. j
(C) three
6 j' F |" `+ h: e(D) four
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( {8 k" m% m7 O2 @11. If no two lights are assigned light bulbs that are the same color as each
- R. i9 w$ n6 T4 F2 R7 Bother, then which one of the following could be true?
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( R) @, Z: ?) K/ M2 i0 b(A) Light I is green, and light 2 is purple.
9 C7 w9 Z F1 v$ ?9 i. {(B) Light I is green, and light 2 is yellow.( T. ] W& H% F! @) a5 t* |4 v
(C) Light I is purple, and light 2 is yellow.
" V; I. ]- C# g7 N! l/ r: b(D) Light I is yellow, and light 2 is green.
* G( H) G, L6 L+ \0 d(E) Light I is yellow, and light 2 is purple.
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3 R. T" u9 A: d H# \Questions 12-17
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3 |$ M7 z0 @. F h7 fAn attorney is scheduling interviews with witnesses for a given week. z5 T0 s2 I: v- _
Monday through Saturday. Two full consecutive days of the week must be reserved % c" K$ F- D* _! l
for interv
2 [* a5 l0 n; \9 z5 i1 iiewing hostile withesses. In addition, nonhostile witnesses Q, R, U, ! `0 S4 X- s1 [7 {+ l. h( x
X, Y, and Z will each be interviewed exactly once for a full morning or
0 u3 J: Z m5 L8 G% dafternoon. The only witnesses who will be interviewed simultaneously with each $ ~* p8 I& j) G y8 K6 D/ q
other are Q and R. The following conditions apply.
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7 ^0 o4 ]$ T* @+ T# rX must be interviewed on Thursday morning( i, }8 \4 G% F6 M" v- B" {
; E) j0 Z' `: c; X5 y& {$ ^Q must be interviewed at some time before X.
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U must be interviewed at some time before R7 m* j5 i+ e# y7 u7 e6 }# Z5 @
9 ?$ r# F' z$ i" ^" ~Z must be interviewed at some time after X and at some time after Y.- v% W ^4 l. P0 G8 v* }
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12. Which one of the following is a sequence, from first to last, in which the9 O& K+ U; s+ Q# F0 M+ X
nonhostile witnesses could be interviewed?" }2 O1 ^: X; X0 C; b- h
& j4 V7 A b0 W(A) Q with R, U, X, Y, Z3 T. M* U* S# j. d. t: S6 \
(B) Q, U, R, X, with Y, Z
0 [) f: A7 ]$ H; Q, `$ K(C) U, X, Q, with R, Y, Z* j: ]9 S6 h5 @8 T& V; H# C7 G
(D) U, Y, Q, with R, X, Z) P4 n4 F2 v: i9 f
(E) X, Q, with U, Z, R, Y
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13, Which one of the following is acceptable as a complete schedule of 7 I$ X N7 k7 R; P; _
witnesses for Tuesday morning. Tuesday afternoon, and Wednesday
5 N% }, i1 o* V F) g# Qmorning,respectively?9 u: X1 H8 K( }$ Q' i
7 t n- L" D* p2 z- n(A) Q, R, none
& G0 L; ~: V7 u# @' z9 }5 i(B) R, none, Y/ Z6 c5 |% w1 y2 U
(C) U, Y, none' R& I7 Q* w" l" \6 p7 G; F% O
(D) U, Y, none5 A0 c3 c6 v8 O- q6 }% U# l
(E) Y, Z, none8 x& p# Y0 @) n# k8 H
+ `0 Y+ z4 ~# S: r14.If Y is interviewed at some time after X, which one of the following must be
/ X* p! Q1 M% e9 U( {a day reserved for interviewing hostile witnesses?9 i: a- p. ?' z; K! V
/ C8 R; v4 L+ C' H1 B* M5 A/ n3 A(A) Monday+ v0 X$ ]* n0 d, P# J6 e
(B) Tuesday
9 r. N0 f8 H0 ?! K4 M(C) Wednesday
7 ^ ~% m- j; Y0 v(D) Friday$ S& v8 g2 z, u# n; c( _
(E) Saturday
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+ s- r! M& [! `2 s0 J( |4 E15. If R is interviewed at some time after Y which one of the following must be
- I+ j3 @( b, r X( L) ^, ]a day reserved for interviewing hostile witnesses?4 e% L! H' g! |5 S* a, X: R+ Y3 r
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(A) Monday5 [; ~- g4 Z- ~# b2 O
(B) Tuesday* N! ~6 e! W6 D; i/ u( [
(C) Wednesday
( a6 V$ J9 {. `9 A(D) Thursday
S- P9 O$ A/ D# C3 S# S- x- T(E) Friday; C L- n6 A' U& ?2 e& \
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16. If on Wednesday afternoon and on Monday the attomey conducts no interviews, : i0 H1 W$ L! X- D
which one of the following be true?- x7 r3 P! h& S: ?' x, H7 i; ?
1 e, }4 \$ a+ |(A) Q is interviewed on the same day as U7 C: n, P* x" [4 |& F' O3 `
(B) R is interviewed on the same day as Y
/ e/ C6 k' Y t3 h. | G5 e(C) Y is interviewed on the same day as U! B. D, [; s; H6 _) i) v
(D) Y is interviewed on the same day as Wednesday
3 V+ n" f5 C& X(E) Z is interviewed on the same day as Friday6 U6 c# N: F8 ?+ E0 j/ f) x m' V8 Y0 Z
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17. If Z is interviewed on Saturday morning which one of the following can be & r/ J9 y4 B# U6 c& I Y; A
true?
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( X& n8 f% l( Q* t( {8 J: E7 |(A) Wednesday is a day reserved for interiewing hostile witnesses.
7 G% s2 `1 F) } A# R(B) Friday is a day reserved for interviewing hostile witnesses.
7 \ l4 X% G* E# P0 U# Q(C) R is interviewed on Thursday
8 J: L1 O# S5 Y$ p' t8 X(D) U is interviewed on Tuesday4 B# N. g/ j8 {; C
(E) Y is interviewed at some time before Thursday |
发表于 2012-8-15 13:26:27
